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International Journal of Information Technology and Business Management 29
th July 2015. Vol.39 No.1
© 2012-2015 JITBM & ARF. All rights reserved
ISSN 2304-0777 www.jitbm.com
46
STATIC AND DYNAMIC THEORIES OF TRADE INTEGRATION
REVISITED
T.U.I. Peiris1, M. Azali
2, M.S.Habibullah and A. Hassan
4
1Department of Accountancy and Finance, Faculty of Management Studies, Sabaragamuwa University of Sri
Lanka, Sri Lanka. 2,3,4
Department of Economics, Faculty of Economics and Management, Universiti Putra
Malaysia, Malaysia. [email protected]
ABSTRACT
Regional trade agreements (RTAs) are considered as one of the major growth stimulant factors in the
contemporary world due to their potentiality in generating welfare gains. When assessing welfare effects of
RTAs, until recently, the attention of most researchers confined to the static theory, which addresses the
resource allocation effect of trade integration (TI). Even though dynamic theory roots back to the same era that
static theory was grounded, the importance of attending to the dynamic efficiency of RTAs became popular in
the recent past. Findings of this survey indicate that both theories independently provide a significant
assessment on the desirability of RTAs. Thus, this study emphasizes the requirement of attending to both static
and dynamic theories when assessing the desirability of RTAs.
Keywords: Static theory, Dynamic theory, Regional trade agreements and Trade integration.
INTRODUCTION
The term “Economic Integration” (EI) is not often
defined, because it does not have an apparent
meaning for all the economists and most of them
believe it as a complex notion which must be
defined with care1. Nonetheless, some rational
definitions in this regard are available in the
literature. Prominent economists, who attempt to
define EI, have used three approaches. Some regard
it as a combination of a state and a process. Some
define it as a process, while others argue it as a
means towards a particular objective. However,
these definitions provide some vital fundamentals
despite of their categorization. They are: formation
of more comprehensive systems; abolish
discrimination between economic units; prices of
all similar goods and factors are equalized; process
towards a union; co-ordination of economic
policies; free movement of goods and factors of
production; means towards an end. With these
fundamentals in mind, it can be broadly defined as
1 Katarzyna Sledziewska, The Theory of Economic
Integration: Descriptive background. University
Warszawski. www.wne.uw.edu.pl/~sledziewska.
a move towards a union with some common
objectives by abolishing discriminations between
economic units to ensure the availability of
comprehensive systems that guarantee: free
movement and price equalization of goods and
factors of production; and the harmonization of
policies of economic sectors in the participating
countries. Some key definitions under above
categorization are further listed with the rest of this
section in order to provide an explicit idea about
EI.
EI as a Process and/or State
Balassa (1961, 1976) under the implicit
assumption, that discrimination actually affecting
economic intercourses, defines EI as “a process and
as a state of affairs. Regarded as a process, it
encompasses measures designed to abolish
discrimination between economic units belonging
to different national states; viewed as a state of
affairs, since it can be represented by the absences
of various forms of discrimination between
national economies”. Holzman (1976) believes
that “EI is a state in which the price of all similar
goods and factors in two regions are equalized”.
Swann (1996) defines EI as “a state of affairs or a
process that involves a combination of previously
separated economies into larger arrangements”.
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EI as a Process
Pinder (1968) believes EI as a process towards a
union, during which both the removal of
discrimination between member countries and the
co-ordination of economic policies have to be
considered as important elements of integration.
Hence, Pinder suggests a definition as “both the
removal of discriminations between the economic
agents of the member countries, and the formation
and application of co-ordinated and common
policies on a sufficient scale to ensure that major
economic and welfare objectives are fulfilled”.
Vajda (1971) has criticized the Pinder’s definition
due to its generality. However, Vajda agrees with
the requirement of considering policy co-ordination
as an important consideration in this process.
Mennis and Sauvant (1976) indicate EI “as a
process, whereby boundaries between national
states become less discontinues, thus leading to the
formation of more comprehensive systems. EI
consists in the linking up and the merging of
industrial apparatus, administration and economic
policies of participating countries”. Maksimova
(1976) believes it as “a process of developing deep
and stable relationships about the division of labor
between national economies. This process aims at
the formation of international economic entities,
within the framework of groups of countries with
the same type of socio-economic system, which are
consciously regulated in the interest of the ruling
classes of these countries” (Jiawen Yang). Molle
(1991) believes EI as a step by step process. Molle
argues that in the initial stages, tariffs on goods are
removed and then movements of production factors
are liberalized. In the third stage, the national
policies with regard to economic sectors are
harmonized.
EI as a Means
Staley (1977) indicates that EI is involved with the
“utilization of all potential opportunities of
efficient division of labor”. With that, Staley
believes it as a means to utilize human resource
efficiently. According to Robson (1987) when EI
comes into its optimum level, full integration, free
movement of goods and factors of production and
the absence of discrimination should enhance the
efficiency in resource usage. Thus, Robson also
regards it as a means to obtain efficiency in
resource utilization. Jovanovic (1998) believes EI
as one of the means of increasing national welfare,
especially through TI. Pinder (1968) while
defining EI as a process believes it as a means to
achieve welfare objectives of the participating
countries.
Levels of EI
A review on EI is considered as incomplete without
a proper note on levels or types of EI, because the
theoretical development of the subject matter
heavily depends on welfare effects of different
levels of integrations. Depending on various
grounds, especially with and without considering
the concepts of corporation and integration, many
suggestions are given to the phenomenon of levels
of EI. Balassa (1961) clearly distinguishing
economic corporation: includes actions taken to
reduce discrimination; and EI: a process in which
some forms of discriminations are suppressed,
introduce five levels in this regard. They are: a free
trade area (FTA), a custom union (CU), a common
market (CM), an economic union, and complete
integration. In a FTA all the tariffs or the
quantitative restrictions in trade are completely
removed among the member countries, but each
member country keeps its own tariff barriers in
trade with non-member countries. Some examples
for these are: NAFTA, formed in 1993; ASEAN
FTA, came in to force in 1992; and SAFTA,
formed in 2005. A CU is similar to a FTA, but
tariffs on non-member countries are equalized by
the union partners. That is, a common external
tariff is applied on the goods import from the non-
members. This common tariff can differ across
goods but not across member countries. The EEC
(from 1957 to 1992) can be considered as the best
example for a CU. A CM is similar to a CU, but a
higher form of EI is attained through the
abolishment of restrictions on factor movement
among union members. The European Union (EU)
in the beginning of 1993 showed the features of a
CM. Balassa (1961) defines the next levels of
integration as, “an economic union, as distinct from
a CM, combines the suppressions of restrictions on
commodity and factor policies, in order to remove
discrimination that was due to disparities in these
polices. Total EI presupposes the unification of
monetary, fiscal, social and countercyclical policies
and requires the setting up of a supra-national-
authority whose decisions are binding for the
member states”. The best example for this type of
integration is the EU. This five stage integration
process can possibly be seen as continuum from a
lower integration level to deeper integration levels.
However, most of the present world EI
arrangements are still at the initial stages of FTAs
and CUs.
Balassa (1961) indicates that the theory of EI is
evolving base on the effects of these various levels
of integration to the respective economies of
participating countries. Since most of the EI
arrangements today are TI agreements, either FTAs
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th July 2015. Vol.39 No.1
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ISSN 2304-0777 www.jitbm.com
48
or CUs, the literature is abandoned with theoretical
and empirical analysis of these two forms of
integration arrangements. Effects of TI
arrangements on economic welfare and growth
have been theatrically proved in several
perspectives. In the most comprehensive sense,
they can be categorized into the static analysis of
TI and the dynamic analysis of TI (Bhagwati and
Panagariya, 1996). Hence, the following sections
will theoretically and empirically review the static
and dynamic theories.
STATIC THEORY
Viner (1950) introduced the static theory through
the concepts of trade creation (TC) and trade
diversion (TD). Viner (1950) believes that TC
leads to welfare rising as trade shifts from a high
cost supplier member country to a low cost supplier
member country in the union. Meanwhile, TD
lowers the welfare as it leads to shift trade from a
low cost supplier non member country to a high
cost supplier member country in the union. These
two concepts, TC and TD, can be further explained
with the help of following example in table 1.1.
Table 1.1 Price of commodity "X"
Country
A
Country
B
Country
C
Price of
commodity X
35 20 15
In general, TC indicates that a regional trade
agreement (RTA) generates trade that would not
have indeed existed otherwise. Thereby, supply of
the product occurs from a more efficient producer.
According to the above example if country A
enters into a FTA either with country B or country
C, in both cases, country A will start importing
commodity X from the contracting country since
the domestic price of commodity X in country A
(35) is higher than country B (20) or country C
(15). Thus, the direction of trade will shift from a
high cost member country (country A) to a low cost
member country (country B or C) generating a TC.
On the other hand, TD indicates that a RTA diverts
trade away from a more efficient supplier outside
the RTA and towards a less efficient supplier
within the RTA. In the above example let’s further
assume that country A levies a tariff of 100% on
commodity X. So, new prices of commodity X
from country B is 40 and country C is 30. Hence,
country A would buy the commodity from country
C, who is the low cost producer in this case. Later,
if country A forms a FTA with country B, then
country A will buy it from country B, because due
to the FTA, the price of commodity A falls to 20 in
country B. This indicates that the direction of trade
has shifted from an initial low cost non-member
country (country C) to the high cost member
country (country B) by generating a TD. For more
examples in this regard better to refer Lipsey
(1960) and Hosny (2013).
Subsequent Developments to the Static Theory
Many developments have been made to the static
analysis of TI mainly criticizing Viner’s conclusion
on trade diverting unions. J. E. Meade is considered
as the first economist to further develop Viner’s
theory. Meade (1955) in his book, “the theory of
customs unions”, appreciates Viner’s work and
meanwhile criticizes it with the argument that
Viner’s analysis is acceptable only under the
conditions of inelastic demand and completely
elastic supply. However, if demand is allowed to be
more elastic, then Meade believes that a CU may
actually increase the degree of trade even under the
conditions of TD. Further, Meade argues that this
effect, which is termed as “trade expansion”,
should be included to the traditional Viner analysis
of TC and TD (Hosny, 2013 and Hay, 1957).
Viner’s argument on trade diverting CUs is also
criticized on the ground that Viner has concentrated
only on the production side effects and has ignored
the supply side effects in the analysis of CUs
(Lipsey, 1957, 1960; Gehrels, 1956-1957; Krauss,
1972; Sheer, 1982). For instance, Lipsey (1957)
indicates that the relative price change due to the
tariff reductions between member countries of a
CU brings two effects. First, a production side
effect as illustrated by Viner (1950); and second,
consumption effect which leads to increase the
consumption of members through the exchange of
each other’s products, while reducing the
consumption from countries outside the union.
Thus, Lipsey shows that TDs are not always
welfare reducing. Very much the same belief is
carried to his next article, “the theory of CUs: a
general survey” published in “The Economic
Journal” in 1960, in which he clearly indicates that
“Viner’s analysis implicitly assumed that
commodities are consumed in some fixed
proportion which is independent of the structure of
relative prices”. Cooper and Massell (1965) briefs
Lipsey’s (1957) argument of welfare rising TDs in
such a way that “when a CU is formed, some
dutiable goods formally imported from outside
sources will be replaced by some goods imported
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by the partner country, duty-free but at a higher
real cost. The shift to a higher-cost source of
supply tends to lower the country’s real income,
and consequently consumer welfare; but the
removal of constraint on consumption may raise
welfare. If the second effect is favorable, and out-
weights the first effect, there is a net raise in
welfare”. Gehrels (1956-1957), in the study,
“customs union from a single-country viewpoint”,
points out that assessing the gains of CUs merely
through the production effects will provide a biased
judgment and further reveals the importance of
considering the response of consumers to the
reduction in import prices cause by the tariff
removals. Thereby, he argues that the omission of
consumption effects will result in underestimating
the gains and making unfavorable conclusions,
where a union would in fact benefit the members.
As reported by Krauss (1972), Lipsey (1957) and
Gehrels (1956-1957) introduce the first exception
to the alleged Vinerian law that TD necessarily
reduces welfare. In this regard, they relax Viner’s
assumption of fixed proportions in consumption.
Krauss (1972) believes that the applicability of
Viner’s conclusions are limited not only because of
the fixed proportions in consumption assumption,
but also due to the assumption of constant costs in
home country, since both fail to describe the real
world conditions. Hence, the next exception is
obtained by relaxing Viner’s assumption of
constant costs in home country. By doing so,
Michaely (1965) and Bhagwati (1971) also show
the existence of welfare gains that can exceed the
welfare losses resulting from a TD. Thus, a net
welfare gain can occur to the home country even
with a trade diverting union.
Sheer (1982) also argue against the Viner’s
assumption of independent consumption to the
price reductions that RTAs bring to their members.
Therefore, with the study, “a survey of the political
economy of custom unions”, Sheer indicates that
even though these arrangements shift the imports
from a low-cost source to a high-cost source, will
result in higher consumption gains due to the
change in relative price levels. There by, Sheer
believes this increase in consumption will induce a
production response in the import sector and it also
can be considered as a gain from TI. Johnson
(1975) believes the argument; TD may be welfare
increasing in the sense that the welfare loss from
diversion is outweighed by the gains of
consumption substitution, as one of the relics of
criticism on Viner’s distinction between TC and
TD. Thereby, he indicates that if TC and TD are
identified with reference to the volume of trade
ignoring the shifts in production location, then as
any TD gain must involve an increase in the
volume of trade; such increase can be considered as
TC like any other TC source of gain.
The importance of analyzing the impact of these
production and consumption effects to the
complementary and substitutable products can be
considered as another major development to the
static theory. Meade (1955) explains this by using a
small tariff reduction in a single product: Holland
reduces its tariff on beer imports from Belgium
while the duty on beer imports from other countries
remains unchanged. In order to assess the welfare
gain, “one must trace out the repercussions of this
change upon all the quantities of all products traded
internationally, and one must then weight each
change in the volume of a product traded by the
difference between its price in the county of export
and its price in the country of import” (cited from
Hawtrey, 1956).
Subsequently, depending on the form of tariff
reduction (small reduction, large reduction,
complete removal, or gradual reduction) many
researchers contribute to the static theory. Lipsey
and Lancaster (1956-1957) in their study, “the
general theory of second best”, assuming “country
A initially charges a uniform ad valorem rate of
tariff on imports of X and Y; A then forms a CU
with country B; now X is imported duty free while
the pre-union tariff is still applies to Y”, indicate
that if tariffs are gradually removed, then the
welfare must raise in the initial stages of tariff
removal and it lowers in the final stages. Another
important conclusion is suggested by indicating
“nothing can be said about the welfare effects of a
complete removal of the X tariff”. In case of small
removals of tariff, they believe welfare must rise
while in a large reduction it may raise or lower. De
Melo, Panagariya and Rodrik (1993) indicate that
gradual tariff removals are more likely to be
bringing greater economic welfare than the
complete tariff removals (cited from Hosny, 2013).
Lipsey (1960) introduces another development by
considering the size of expenditure on the three
classes of commodities namely, domestically
purchased commodities, commodities purchased
from the union partner and those purchased from
non-partner countries. Lipsey believes that if a
country’s proportion of international trade with its
union partner is high and it is lower with the non-
partners, then the union is more likely to produce
welfare gains. In the same time, “a custom union is
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th July 2015. Vol.39 No.1
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more likely to raise welfare the lower is the total
volume of foreign trade, for the lower is foreign
trade, the lower must be purchases from the non-
partner countries relative to the purchases of
domestic commodities”.
The analyses of terms of trade effect on economic
gains from CUs can also be considered as one of
the major development to the Vinerian analysis of
static gains. Krauss (1972) believes whenever
terms of trade are permitted to vary in an analysis
that will dramatically change the perspective of the
analysis. Thus, each variation will provide a new
contribution. Further, he indicates that an analysis
of this nature varies according to the amount of
non-member trade that is assumed to survive with
the formation of a CU with TD production effect.
Melvin (1969) indicates that in a trade diverting
CU if terms of trade are permitted to change, then
the probability for the welfare improvement is very
less under the assumption that no trade with outside
countries survive the formation of the CU. Later,
this argument is criticized by Krauss (1972) on the
ground that, Melvin has failed to recognize the TC
production effect and thus, he has wrongly believed
a pure TD production effect. Hence, he suggests a
correct form to the Melvin’s conclusion: “the
greater the terms of trade loss from the TD
production effect, the greater the gross TC
required, whether from production or consumption
sources, for union to improve welfare”.
Johnson (1962), with an alternative assumption:
some non-member country trade does survive,
states that a CU with TD production effects has the
tendency to make improvements to the terms of
trade and on the top of that, the amount of loss
from the TD can be either reduced or eliminated
through such improvements in the terms of trade.
Cooper and Massell (1965) also indicate that “the
loss from TD effect is less the greater the
improvement in the terms of trade” (Cited from
Krauss, 1972). Arndt (1968) analyzes the home
country’s economic welfare in contrast to the
changes in member country’s tariff policy as a
result of implementing a common external tariff.
Arndt indicates that in order to implement a
common tariff on non-member countries if a
member country has to raise its tariff while the
home country’s tariff remains unchanged, then the
home country receives a terms of trade gain. Other
researchers who contributed in this regard include
Spraos (1964), Kemp (1969), Vanek (1965).
Depending upon the solution to the inquiry,
whether the removal of tariffs on trade is more
advantageous if the trade is between
complementary countries than it is between
competitive countries, another significant addition
is made to the static theory. Meyer (1956) in his
study, “complementarity and lowering of tariffs”,
states that trade gains generate from the
complementary goods received in exchange to the
goods retained by each party to the transaction. On
the other hand, there is no such certainty of gains
from trade if the goods exchanged are competitive
to the goods retained. Mayer further indicates that
“the benefit will be the greater, the larger the
number of initially rival economies that participate
to trade”. Viner (1950), Lipsey (1960) and Sheer
(1981) also believe a CU would raise gains if the
countries are producing the same commodity.
Makower and Morton (1953) point out those gains
are higher in unions that have a widely different
production advantageous situation. In other words,
the economic gains will be larger the larger is the
difference between the production costs in unions,
where the same commodity is produced.
International trade literature believes that countries
with similar demand structures or in other words
countries with similar per capita income levels
would develop similar industries and thus, they
would enjoy more trade potential (Linder, 1961;
and Kemp 1965). Sakamoto (1969) believes that
the similarity in the demand structures or the
income per capita levels is a significant
determinant for the success of EI processes. Later,
many researchers indicate that the greater the
similarity in the per capita income between
members of a union the grater is the potentiality for
intra-industry trade (Lancaster, 1980; Greenway,
1981; and Zdenek and Greenway, 1984). However,
on the one hand, when countries have similar per
capita incomes Linder hypothesis states that intra
industry trade should increase and on the other
hand, when countries have dissimilar per capita
incomes comparative advantage theory states that
inter industry trade should increase. Herein, Hosny
(2013) concludes as “the impact on per capita
income on trade is not settled in the literature” and
“the increase or decrease in trade flows between
member countries of a union will be determined by
the similarity of per capita income and the pattern
of trade; whether it follows the line of inter
industry or intra industry trade”.
Empirical Evidences on Static Welfare Gains
As mentioned in the above theoretical review on
static theory, TC and TD are the two main static
outcomes of a RTA. Empirical evidences on this
regard are substantial. Hence, sub section one
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provides empirical evidences of European
integration arrangements (Aitken, 1973; Endoh,
1999; Plezman, 1977; Han, 1992). Sub section two
concentrates on North American integration
(Schwanen, 1997; Helliwell, Lee and Messinger,
1998; Head and Ries, 1999; Clausing, 2001;
Krueger, 1999; Fukao, Okubo and Stern, 2001).
Sub section three empirically reviews the Asian
integration arrangements (Ooi, 1981; Devan, 1987;
Ramasamy, 1995; Imada, 1993; Elliott and
Ikemoto, 2004; Siah, Choong, and Yusop, 2009;
Endoh, 2000; Roberts, 2010). Finally, in the sub
section four, some further evidences are provided
from other counterparts of the world.
European TI Arrangements
Aitken (1973) with the study, “the effect of the
EEC and EFTA on European trade: a temporal
cross-section analysis” published in “the American
Economic Review”, investigates the existence and
the approximate sizes of TC and TD during the
period 1951 to 1967. As the title of the study
indicates a cross-sectional trade model is employed
for the European Economic Community (EEC) and
for the European Free Trade Association (EFTA).
Aitken indicates the existence of both TC and TD
effects during this period. The TC effect of EEC is
substantially greater than that of EFTA and
approximately $9.2 billion and $1.3 billion,
respectively. Further, he confirms the fact that, the
integration effects of EEC and EFTA are
consistence with the theoretical expectations.
Endoh (1999) examines these static effects in EEC,
Lathing American Free Trade Association
(LAFTA) and Council of Mutual Economic
Assistance (CMEA) over the period 1960 to 1994.
Endoh implements a simplified version of gravity
model in this regard. Results of the gravity model
indicate that each of the TI arrangements provides
significant TC and TD effects. However, during
1990s these effects are relatively lower in all cases.
Among other researchers who investigate these
static effects in European countries: Plezman
(1977) concentrates on the EEC, EFTA and
CMEA; Hnag (1992) examines the impact of
European Community (EC) on non-member
countries.
North American TI Arrangements
Schwanen (1997) with the study, “Trading up: the
impact of increased continental integration on
trade, investment and jobs in Canada”, investigates
the influence of Canada-US Free Trade Agreement
(CUSFTA) and its successor North American Free
Trade Agreement (NAFTA) on the trade flow of
Canada during 1989 and 1995. Schwanen
compares the trade flows of liberalized and non
liberalized sectors under these agreements. His
findings confirm a significant improvement of
trade in the liberalized sectors. This indicates a
significant TC impact. Helliwell, Lee and
Messinger (1998) investigate the impact of
CUSFTA by employing both aggregate and
industry level data. They also confirm a significant
improvement in Canadian international trade
following this agreement.
The study, “rationalization effects of tariff
reductions” by Head and Ries (1999) examines the
impact of CUSFTA on the manufacturing sector of
Canada. Here, the term “rationalization” is justified
as “a decline in the number of plants accompanied
by increases in output per plant”. Head and Ries
use a panel of 320 Canadian manufacturing
industries during the six years following the
agreement. Their findings provide substantial
rationalization of tariff reductions as the number of
plants decreased by 21% while the output per plant
increased by 34%. Clausing (2001) also investigate
the impact of CUSFTA on trade flows between
Canada and US by using commodity level data
during the period 1989 and 1994. Clausing
concludes that CUSFTA leads to substantial TC
effects while TD is very little.
Krueger (1999) with her study, “trade creation and
trade diversion under NAFTA”, uses a gravity
equation in a pooled time series cross section in
order to assess the impact of NAFTA especially to
the Mexican trade flows during 1987 to 1997.
Krueger confirms a significant improvement in the
Mexican trade flows suggesting a TC. Two
possible reasons have identified on this regard:
Mexican reduction in tariffs and quantitative
restriction; and the alteration of exchange rate
policy by Mexico. This study further confirms a
TD effect as NAFTA’s imports from non members
significantly reduced. The study titled, “an
econometric analysis of trade diversion under
NAFTA”, by Fukao, Okubo and Stern (2001)
attempt to investigate the TD phenomenon of
NAFTA by using both industry and commodity
level data. Fukao at el. use a “partial equilibrium
model of differentiated product industries under
monopolistic competition”. This model is
implemented through the fixed effect panel
analysis over the period 1992 to 1998. Significant
TDs are found in many industries while, US
imports of textile and apparel products depict the
strongest TD effect. When they extend the study to
the commodity level (HS 4-digit level) textile,
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apparel and some footwear products indicate a
significant TD effect.
Asian TI Arrangements (Except South Asia)
Ooi (1981) with his study titled “the ASEAN
preferential trading arrangements (PTA): an
analysis of potential effects of intra-ASEAN trade”
investigates the potential TC effects of two specific
events: the 20% tariff reduction of all items with
import value of less than US$ 50,000, and the
consideration of increasing this cutoff ceiling to
US$500,000 as proposed by the “ASEAN
Economic Ministers”. This analysis is done on the
aggregate basis at the one digit level of SITC code
for Philippines and Thailand. Ooi’s results indicate
a significant TD effect for Philippines and
Thailand, approximately 98.21% and 97.98%
respectively. Devan (1987) with his study, “the
ASEAN preferential trading arrangements: some
problems, ex-anta results, and a multipronged
approach to future intra-ASEAN trade
development”, extends the Ooi’s investigation in
several ways: specifically concentrates on the
manufactured products and commodities at the
seven digit CCCN level; concentrates on the effect
of 25 per cent or/and 50 per cent margins of
preference; and concentrates on four ASEAN
countries (Malaysia, Thailand, Philippians, and
Indonesia). Devan’s results indicate that whatever
the margins of preference the selected countries
would gain a 4.8 per cent or US$ 110.57 million
TC gain in average. Further, when petrol based
products are excluded, the TC gain increase up to
5.2 per cent. The TD effect is valued at US$ 58.67
million or 6.3 per cent of ASEAN’s 1984 extra-
ASEAN import value.
The study titled “production and trade effects of an
ASEAN free trade area” by Imada (1993) is
considered as the first study of this nature that
investigates the supply side effects within the
region (Ramasamy, 1995). Imada indicates that all
previous studies in the region concentrated only on
the price elasticity approach in estimating the
impact of tariff reductions on import growth.
Hence, she points out the importance of
investigating the closer integration on export,
production and consumption as well. Though, she
does not specifically investigate the TC and TD
effects, the results of the study show the
potentiality of expanding intra-ASEAN trade if
intraregional trade is liberalized, partially or
completely. Ramasamy (1995) concentrates on the
negative resource allocation effect of ASEANs
with the study titled “trade diversion in an ASEAN
free trade area”. Ramasamy assumes that the
imports from member countries and rest of the
world are not perfect substitutes, thus the elasticity
of substitution is 1. Under this assumption, his
results indicate that TD is highest in Philippine and
followed by Singapore, Thailand, Malaysia, and
Indonesia respectively. The net welfare impact, that
is when TC is considered, is depicting a gain for
Indonesia and Thailand, but for Malaysia and
Singapore it is a net loss.
Elliott and Ikemoto (2004) investigate the ASEAN
intra-trade and extra-trade bilateral trade patterns
during the periods before and after the signing of
ASEAN Free Trade Area (AFTA) and crucial years
around Asian crisis. Elliott and Ikemoto use a
modified gravity equation in this regard. Their
results confirm the findings of previous studies that
focused on AFTA because no evidences are found
for the significant influences on trade flows in the
immediate years after the signing the AFTA.
Hence, they indicate that the TC effect is lower
with compared to the preceding period 1988-1992.
However, when only inter-ASEAN trade is
considered, some positive AFTA effects are found.
The study titled “AFTA and the intra-trade patterns
among ASEAN-5 economies: trade-enhancing or
trade-inhabiting?” by Siah, Choong, and Yusop
(2009) examine the ability of ASEAN integration
in promoting intra-ASEAN trade. In this regard, a
modified gravity model is implemented within the
autoregressive distributed lag (ARDL) framework
during the period 1970 to 2001. Their conclusion
confirms the importance of AFTA in increasing
intra-ASEAN trade. However, they point out the
possibility that the trade deflection might not allow
all ASEAN countries to benefit from this
agreement.
Endoh (2000) with his study “the transition of post
war Asia-Pacific trade relations” examines the
behavior of trade patterns among Asia-Pacific
countries. A gravity model is employed during the
period 1960 to 1995 to arrive at the desired
objectives. The results of the gravity model
indicate that ASEAN’s impact on intra-regional
trade is insignificant, East Asia Economic Caucus
(EAEC) countries are showing higher intra-
regional trade volumes and at a growing trend
along with those of Asia-Pacific Economic
Cooperation (APEC) counties. Finally, he states the
existence of a close trade relation among APEC
economies. Roberts (2010) investigates the impact
of China-ASEAN free trade area (CAFTA) on the
trade flows of respective countries with his study
titled “a gravity study of the proposed China-
ASEAN free trade area”. As the title of the study
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suggests gravity model is employed in this regard.
With the results, Roberts first confirms the
desirability of gravity model as its outcomes well
explained the trade flows within CAFTA. Then he
states the requirement of well defined policies and
strategies to maximize the expected benefits.
Further, he indicates that the potential TC effect is
insignificant and even though, the TD is not
explicitly modeled the “inconsequential effect of
CAFTA” would take the form of TD.
More Evidences from Other Counterparts of the
World
Becker, La, and Suarez (2001) with the study titled
“trade creation and trade diversion for
MERCOSUR” investigate the effect of
MERCOSUR trading bloc on the trade flows of the
member countries (Brazil, Argentina, Uruguay and
Paraguay). A modified gravity model is used to
analysis the bilateral trade flows in between the
member countries and the selected non-member
countries. The findings of the study provide
sufficient evidences to conclude the existence of
TD effects in Brazil, Uruguay and Paraguay.
Argentina reports neither TC nor TD effects
following this integration arrangement. Yeats
(1998) with his study published in the “World Bank
Economic Review” also indicates that the
MERCOSUR TI arrangement leads to substantial
TD effect due to higher discriminatory tariffs
against non-members. The study titled “The
common market for Eastern and Southern Africa
(COMESA) and Kenya’s export trade” by Musila
(2004) attempts to answer the empirical question
whether the COMESA integration arrangement
helps Kenya to promote and diversify their exports.
The gravity model is employed in this regard.
Results of the model indicate that the COMESA
leads to significant TC effects. Hence, Kenya’s
export performances are positively affected by this
agreement. Further, no TD effects are reported.
Boughanmi (2008) investigates the impact of old
and immerging RTAs on the trade flows of Middle
East and North African (MENA) countries with
the study titled “The trade potential of the Arab
Gulf Cooperation Countries (GCC): a gravity
model approach”. The results of the study indicate
that the GCC intra-trade is not significantly
changed and had probably reached its fullest
potential during the first decade of DCC creation.
Further, Boughanmi indicates that the regions’
trade with Mashreq countries is more significant
than the Maghreb countries2. Finally, Boughanmi
concludes the fact that the newly launched trade
agreements have the potentiality of improving
regions trade.
Soloaga and Winters (2000) with the study
“Regionalism in the nineties: what effect on trade?”
investigate the effect of RTAs on the trade flows of
respective regions. They use a gravity equation to
analysis the bilateral trade flows of nine selected
RTAs namely: MERCOSUR, NAFTA, ASEAN,
Central American CM (CACM), ANDEAN, GCC,
EU, EFTA and Latin American Integration
Association (LAIA). Soloaga and Winters could
not find sufficient evidences for the TC effect in
any of the trading blocs considered. However, EU
and EFTA report significant TD effects and export
diversions. The study titled “Assessing regional
trade arrangements: are South-South RTAs more
trade diverting?” by Cernat (2001) investigates the
potential impact of nine RTAs on the intra-regional
and extra-regional trade of respective regions. The
nine RTAs considered herewith are: AFTA,
ANDEAN Community, Caribbean Community
(CARICOM), Common Market for Eastern and
Southern Africa (COMESA), Economic
Community of West African States (ECOWAS),
EU, MERCOSUR, NAFTA, and Southern African
Development Community (CADC). An expanded
gravity model is employed in order to assess the
specific TC and TD effects of these RTAs. Results
indicate that both South-South RTAs and African
RTAs are less trade diverting when compared to
other RTAs. Cernat also states that the significant
improvements in both intra-regional and extra-
regional trade of South-South RTAs may possibly
result from the RTA formation. This indicates a
substantial TC effect in South-South RTAs.
DYNAMIC THEORY
Improvement of welfare must be the ultimate
objective of an economic activity. Hence, the
desirability or the successfulness of TI must be
evaluated through its contribution to the welfare
generation (Balassa, 1961). Many prominent
researches indicate that the Vinerian analysis of TC
and TD and its developments are insufficient in
assessing welfare of a TI arrangement. Thus, the
requirement of an alternative way of evaluating the
2 Mashreq countries are Egypt, Syria, Lebanon,
Jordan and Iraq. Maghreb countries are Tunisia,
Algeria, Morocco, Libya and Mauritania.
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welfare is emerged (Balassa, 1961; Hasson, 1962;
Cooper and Massell, 1965; Krauss, 1972; Sheer,
1982). Balassa (1961) believes that the economic
welfare resulting from an integration arrangement
can be measured by using four criterions. They are
“(a) a change in quantity of commodities produce,
(b) a change in degree of discrimination between
domestic and foreign goods, (c) a redistribution of
income between nationals of different countries,
and (d) income redistribution within individual
countries”. First two criterions measure the change
in potential welfare or in the static sense it is the
improvement in the allocation of resources at a
given point of time. Other two measure the welfare
effects of income redistribution. Balassa indicates
that the potential welfare in the static sense or the
“static efficiency, however, is only one of the
possible success criteria that can be used to
appraise the effects of economic integration”.
Further he points out the importance of expanding
an investigation to study the impact of integration
on “dynamic efficiency” instead of limiting to the
resources allocation under static assumption.
Balassa (1961) defines the “dynamic efficiency” as
“the hypothetical growth rate of national income
achievable with given resource use and saving
ratio. In technical terms, whereas static efficiency
would require that the economy operates on its
production possibility frontier; dynamic efficiency
can be represented by the movement of this frontier
in the northeast direction”. As he indicates,
technological progress, the allocation of
investment, dynamic inter-industry relationships in
production and investment, and uncertainty and
inconsistency in economic decisions can be
considered as the factors affecting the dynamic
efficiency of an economy.
C. A. Cooper and B. F. Massell are considered as
the other two pioneering economists who
intensified the requirement of dynamic analysis.
Cooper and Massell (1965) in their study, “a new
look at custom union theory” published in “the
economic journal”, question the usefulness of
static analysis in evaluating CUs. They point out
that the formation of a CU may not necessarily
reduce the tariffs of a participating country
depending on its initial tariff level. Hence, “the
static analysis fails to show why a CU may be
acceptable when a tariff reduction is not, and it
fails to analysis how a CU may more efficiently
serve the ends previously served by non-
preferential protection”. Moreover, they state that
the static analysis fails to assess the gains from the
changes in the terms of trade, economies of scale,
and reductions in unemployment which should
otherwise be evaluated in a different analytical
framework.
Krauss (1972) in his interpretive survey of resent
developments in CUs theory indicates that the
dynamic effects explained by Cooper and Massells
(1965) carry two separate arguments: first, “being
concerned with the effects of protection on the
efficiency with which the firm operates, according
to a given technology and market structure”;
second, “larger markets permits the exploitation of
economies of scale and the adoption of more up to
date technology”. Moreover, Krauss (1972)
emphasizes the requirement of empirical researches
to investigate the welfare effects of CUs on the
basis of the location of production, consumption
patterns, terms of trade, and economies of scale.
Schiff and Winters (1998) in their review,
“dynamics and politics in regional integration
arrangements: an introduction”, indicate that
though, an integration arrangement leads to small
or even negative static gains it may possibly
provide dynamic gains. Meanwhile, they mention
about the difficulty of recognizing the forms of
these gains and how they come about. This might
be mainly due to lack of precise theoretical
evidences. Thus, with the intention of adding more
concreteness to this phenomenon, they summarize
the dynamics of an integration arrangement as
anything that affects to the rate of economic growth
of participating countries. Further, they define
dynamics as both permanent improvements and
temporary but long lived improvements in the rate
of economic growth.
Empirical Evidences on Dynamic Welfare Gains
The dynamic theory believes that several dynamic
factors of participating countries are affected
positively as a result of entering into a trade
agreement. For instance, these dynamic factors
may include economies of scale, technological
progress, dynamic inter-industry relationships in
production and investment, risk and uncertainty,
market structures and competition, and productivity
and growth. Because these factors are not clearly
defined in the theoretical literature, anything that
affects the rate of economic growth as a result of TI
is considered as dynamic effects. Recently, many
researches empirically reviewed the dynamic
theory of economic integration in several
dimensions. Some of those prominent works are
reviewed with the rest of this section.
Economies of Scale
Corden (1972) with his study, “economies of scale
and CU theory”, investigates the influence of
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economies of scale on the traditional static theory.
He indicates that upon the formation of a CU the
average cost per unit of domestic output reduces
due to the expansion in the domestic output. This
positive welfare effect is termed as the “cost
reduction effect”. A negative welfare effect is also
observed as the imports from more efficient
producers replace the less efficient domestic
producers. This is termed as the “trade suppression
effect”. Corden concludes that when economies of
scale are allowed in an analysis of static welfare
TC and TD concepts must be supplemented by the
concepts of cost reduction and trade suppression
effects. However, Krauss (1972) criticizes
Corden’s (1972) conclusion on the ground that both
these concepts TC verses cost reduction effect and
TD verses trade suppression effect are integral
components of the same phenomenon. Hence,
economies of scale effect “should be
accommodated by extending the definitions of TC
and TD, not supplementing them”.
Rate of Return to Capital
The empirical question how an integration
arrangement affects to the rate of return to capital
(RRC) of a participating country is also researched
under the concept of dynamics of TI. The
Heckscher-Ohilin (HO) model suggests that an
integration arrangement between North-South
countries or between Industrial and Developing
countries tends to lower RRC in the North or
Developing countries because international trade
leads to decreasing returns in the scares factors
(Schiff and Winters, 1998). As reported by Falvey
(1995) and Schiff and Winters (1998), this HO
model is limited in nature to assess the above
phenomenon because it can be applied only to
models with equal numbers of factors of production
and it presumes the homogeneity of products being
traded, but in reality they are not valid conditions
specially in case of TI arrangements. However,
many researchers later point out several facts that a
TI arrangement may possibly increase RRC in all
participants. As reported by Schiff and Winters
(1998) they may include: the reduction in
transaction cost of tradable goods than those on
non-tradable goods; reductions in tariffs on imports
of capital equipments; improvements in financial
sector will reduce the cost of funds; and by
influencing on the greater credibility of
government policies it may provide a better
atmosphere for investments (Baldwin, Forslid and
Haaland, 1996; and Baldwin and Seghezza, 1996a,
1996b).
Credibility in Government Policies
Whalley (1996) in his study, “why do countries
seek regional trade agreements”, indicates that the
expectation of strengthening domestic policy
reforms as one of the main objective of a country’s
decision to participate in to a regional integration
arrangement. Whalley believes that the credibility
of domestic policies can be improved by binding a
country to a TI agreement because domestic policy
reforms are difficult to implement thereafter. He
points out the Mexican negotiations on NAFTA as
one of the best example on this regard. Later,
Francois (1997) confirms the argument that TI
leads to increase the credibility of economic
policies of participating countries by referring
specially to Mexican negotiations on NAFTA, and
then EU integration and Mediterranean countries.
Wacziarg (2001) also points out several reasons to
this phenomenon of policy credibility
improvement. Wacziarg indicates that the
credibility of government policies increases as a
result of boundedness through the integration
agreements and due to the threat of capital flight.
Also he states that the requirement of ensuring a
competitive environment for the domestic firms,
who participate in international trade, pressurizes
the local governments to maintain the
macroeconomic policies stable. Baldwin, Francois
and Portes (1997) with the study “the costs and
benefits of eastern enlargement: the impact on the
EU and the central Europe” indicates in detail how
both micro and macroeconomic policy stabilization
came about in central and eastern European
countries (CEEC), who seemed likely to join the
EU. Baldwin et al, (1997) report that “on the micro
side, EU membership greatly constrains arbitrary
trade and indirect tax policy changes. It also locks
in well defined property rights and codifies
competition policy and state-aid policy. By
securing convertibility, open capital markets and
rights of establishment, membership assures
investors that they can put in and take out money.
Finally, EU membership guarantees that CEEC-
produced products have unparalleled access to the
EU 15 markets. On the macro side, membership
puts the CEECs on a path to eventual monitory
union and thus provides a solid hedge against
inflation spurts”. Further, they indicate that both
these effects probably ensure the credibility and
stability of economic activities of CEECs and thus,
significant improvements in the investor
confidence.
Foreign Direct Investment
Because it is thoroughly believed that the FDI
sensitivity of TI as another significant dynamic
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effect many researches keep on studying the effect
of TI on inward FDIs. Studies that concentrate on
EU, NAFTA and ASEAN are substantial in
literature. Brenton (1996) studies the behavior of
FDI in relation to the EU single market concept in
his study “the impact of the single market on FDI
in the EU”. He states that the single market concept
have influenced EU firms positively to invest in the
EU countries. Following this argument, Brenton
and Mauro (1999) study the impact of deepening
EI between EU and CEECs on FDI flows. They
conclude that the FDI stock in CEECs diverge very
little as a result of deepening integration. However,
their results “contradicts to those who have argued
that current FDI in the CEECs is very small
compared to overseas investment in countries of
similar income in different parts of the world”.
Also they indicate that the “additional integration
between the EU and the CEECs, have not
substantially reduce the flows of overseas
investment going to other European countries”.
Another study on the relationship between inward
FDI and European EI is conducted by Egger and
Michael (2002). They assess the reaction of
bilateral European FDI relations for the three
integration events of the “single market
programme”, “the 1995 enlargement” and “the
agreement between EU and the CEECs”. Their
results confirm a “substantial positive anticipation
effect” of FDI only during announcement and the
formal establishment of each event. Hence, they
conclude that these integration arrangements in
Europe depict significant effects on FDI, but the
relation still seems like anticipatory.
This phenomenon is also heavily researched with
respect to NAFTA. However, Feils and Rahman
(2008) point out that all the previous studies in this
regard concentrate only on a particular country in
the region and thus, failed to address the effect of
NAFTA in attracting FDI to the entire region as a
whole and country level compression thereof.
Therefore, with their study, “regional economic
integration and FDI: the case of NAFTA”, an
attempt is given to fill the gap in resent literature in
the region. They conclude that NAFTA favorably
influencing inward FDIs to the region as whole, but
most of these have acquired by United Stets and
Canada. Southeast Asian integration arrangements
also have succeeded in attracting FDIs to the region
and for its member countries. For instance, a
recent study by Uttama and Peridy (2009), “the
impact of regional integration and third country
effect on FDI”, confirm the ability of ASEAN EI in
attracting FDI. With this study they investigate the
determinants of FDI specially by considering
bilateral determinants, third country determinants
and regional EI in a single framework. Their main
findings indicate that all these considered
determinants simultaneously affect the FDI inflows
to the region.
Technology Transfer through FDI
Many researches subsequently, investigate the
expected benefits of inward FDIs with the view of
dynamic gains of TI. As a result, the direct and
indirect benefits of FDIs became a significant part
of dynamic gains. The mostly researched
phenomenon in this regard is the potential ability of
multinational firms in transferring technology,
knowledge or know-how to the host countries. The
process of technology transfer through FDIs can
possibly take two forms. That is horizontal and
vertical process of technology transfer. The
horizontal process may involve in transferring the
full technology needed in production of a particular
good. But in the vertical process, only the
technology required to produce a particular stage or
stages of a product is transferred. Vertical
technology transfer occurs in situations, where the
production process is carried out partly in the
source country and partly in the host country of
FDI. As reported by Javorcik (2010) depending on
the level of industrialization or the development of
the source and host country the conclusions of the
studies that focus on the causal relationship
between foreign ownership and firm performance
are not consistent. These inconsistent conclusions
are due to variations in the technological gap in
between the multinational companies and their
acquisition targets. Higher the gap higher goes the
performance of the acquired firms. Harris and
Robinson (2003) with their study published in
“Review of Industrial Organization” concentrate
on UK manufacturing sector and attempt to answer
the question “are foreign owned plants better”?
Their general conclusion indicates that the country
of origin is a significant determinant of technology
transfer and hence, the results vary significantly
across the countries. Moreover, they indicate that
“there is little evidence of a clear productivity
advantage of EU owned plants over domestic
plants”. These results might be influenced by the
little technological gap existed in between UK and
EU owned plants in the manufacturing sector.
In the mean time, researches on developing
countries provide evidence for significant
technology transfers from FDI. This may be due to
the weak research and development (R&D) base,
limited investment in R&D, weak infrastructure,
weak production and manufacturing capacity in
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developing countries (Whab, Rose and Osman,
2012; Lado and Vozikis, 1996; Tepstra and David,
1985), and because most of the inward FDIs to
these countries originate from the developed
countries. Thus, the technology gap is significantly
high. As a result, these FDIs generate a positive
effect on the productivity of developing countries.
This indicates a significant technology transfer. Lee
and Tan (2006) study the intensity of technology
transfer through FDI and import of machinery in
the selected ASEAN countries (Singapore,
Malaysia, Thailand and Indonesia). They confirm a
substantial technology transfer through FDI to the
region. The intensity of technology transfer has
followed the intensity of FDI inflows to the region.
This indicates that, higher the FDIs acquire higher
the possibility of experiencing technology transfer.
Further, they conclude that Japan and US, two
highly industrialized nations, as the most
significant contributors of FDI and technology
transfer to the region.
Apart from the technology transfer, FDIs may
influence economic growth of host countries
through the spillover effects on other growth
stimulants as well. Nabende, Ford and Slater
(2001) examine the spillover effects of FDI on
human capital, labor force, technology transfer,
international trade and learning-by-doing. With the
presence of spillover effects they extend the study
to investigate the inward FDI sensitivity of APTA.
Their findings indicate that the spillover effects of
FDI are significant on human capital, technology
transfer and learning-by-doing. Further, AFTA
significantly influence the inward FDIs to the
region. Hence, they confirm a positive impact of
AFTA on human capital, technology transfer and
learning-by-doing. Arnold and Javorcik (2009) by
using micro data from Indonesian manufacturing
sector investigate the causal relationship between
foreign ownership and firm performances. They
conclude that the productivity of the firms acquired
by multinational companies is improving and this
improvement starts from the acquired year itself
and goes on to the subsequent years. Javorcik
(2010) indicates that Arnold and Javorcik (2009)
did not directly concentrate on the technology
transfer phenomenon. However, their findings,
“productivity improvements take place
simultaneously with increases in investment in
machinery and equipments, employment, wages
and output”, suggest a restructuring process on
those firms acquired by multinational companies.
Javorcik further indicates that in addition to the
technology transfer the spillover effect of tacit
knowledge, know-how, management techniques
and marketing strategies of multinationals’ may be
equally important for the FDI recipients.
Technology Transfer through Trade
The trade expansion effect of RTAs either through
TC or TD may itself leads to a significant
technology transfer. International trade literature
provides a substantial amount of empirical studies
that concentrate on the links between trade and
technology transfer. (Parente and Prescott, 1994;
Coe and Helpman, 1995; Coe, Helpman and
Hoffmaister, 1997; Bayoumi, Coe and Helpman,
1999). Parente and Prescott (1994) with their study
“barriers to technology adoption and development”
state that some countries make it inherently
difficult for their firms to adopt new technologies
by maintaining differences in political, regulatory,
legal and social factors with other counter parts of
the world. Moreover, he indicates that international
trade eliminates such barriers to technological
adoption for some extent and thus, trade may affect
growth as a result of technological progress. Coe
and Helpman (1995) introduce a model to capture
the dependency in between the total factor
productivity and both local and foreign research
and development capital. Their results suggest that
the domestic productivity is benefitted from the
foreign research and development capital. Further,
they conclude that these benefits are higher as the
countries more open to the international trade.
Later, Coe, Helpman and Hoffmaister (1997)
reproduce the earlier study by introducing legal
origin and patent protection as instrumental
variables in a panel cointegration framework.
These new results, while confirming the earlier key
results, indicate that “institutional differences are
important determinants of total factor productivity
and that they impact the degree of research and
development spillover”.
Bayoumi, Coe and Helpman (1999) in their study
“research and development spillovers and global
growth” investigate the impact of research and
development, international research and
development spillover, and trade on economic
growth of developed and developing countries.
They found evidences to suggest that all these three
factors significantly boost the economic growth in
both industrialized and developing countries.
Moreover, they conclude that open trade policies
can benefit developing nations via facilitating
technology transfer from industrial countries. The
studies of Parente and Prescott (1994); Coe and
Helpman (1995); Coe, Helpman and Hoffmaister
(1997); and Bayoumi, Coe and Helpman (1999)
concentrate on a country’s imports of all goods,
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that is, no distinction is given to the consumption
and capital goods. According to Saggi (2002) the
technological know-how that can be attained
through the reverse engineering of consumption
goods serves little to the technology transfer
process. But trade in capital goods that can be used
in the production of other consumption goods
should provide more technology transfer than the
consumption goods. Xu and Wang (1999)
distinguishing total imports of OECD countries
into capital goods and non-capital goods
investigated the significance of trade in the process
of technology transfer. They indicate that the
capital goods influence significantly and explain
more of the variation in the productivity than the
total imports. Further, non-capital goods have
failed to significantly influence the productivity of
these countries.
According to Saggi (2002) dynamic welfare
analysis of TI is highly curious about exploring the
ways and forms of technological progress turns up
in the participating countries. Technology spreads
among participating countries through number of
channels. It can be directly through the
international trade in technology or by the indirect
forms like trade in goods and international
movement of factors of production. The existence
of multitude of channels makes it difficult to assess
exactly how technology transfer takes place.
Hence, most researchers focus only on one or two
channels. Of these, FDI and trade have received
the most attention. However, Saggi (2002) in his
literature survey published in “the world bank
research observer” summarized the potentials
channels of knowledge or technology spillovers as
“demonstration effect”: imitation or the reverse
engineering activities of local firms; “labor
turnover”: the employees swish from multinational
firms to local firms may transfer some important
knowledge; and “vertical linkages”: technology
transfer can take place to the potential suppliers of
intermediate goods or to the buyers of their
products. Meanwhile, a literature survey on
technology transfer mechanisms of multinational
companies by Whab, Rose and Osman (2012) also
summarize these channels in a broader sense. They
are: formal market channels and non-market
channels of technology transfer. Under formal
market channels they identify direct exporting,
FDI, licensing, and international joint ventures. On
the other hand, under the non-market channels five
means are identified. Those are: imitation,
movement of personal, data in patent application
and test data, communication media, and temporary
migration.
RTAs AND ECONOMIC GROWTH
Shiff and Winters (1998) in their empirical review
on dynamics of regional TI arrangements indicate
the limitedness of theoretical and empirical studies
that specifically focus on the growth effects of
RTAs. However, the EI literature provides some
empirical studies that concentrate on trading blocs
and their subsequent impact on the economic
growth of participating countries. Most of these
studies evidence the likely effect of RTAs on
growth (Ben-David, 1993 and 1996; Henrekson,
Torstensson and Torstensson, 1997; Walz, 1997;
and Vamvakidis, 1998), while Brada and Mendez
(1988) and De Melo, Panagariya and Rodrik (1993)
conclude the opposite. Ben-David (1993) with his
study titled “Equalizing Exchange: Trade
Liberalization and Economic Convergence”
examine the growth convergences of EEC, EFTA
and CUSFTA member countries following their
rectification of respective RTAs. Results indicate a
significant income convergence for each trading
bloc and moreover, this convergence is upward
with faster growth rates for poor countries (Shiff
and Winters, 1998). Later, Ben-David (1996) with
his study published in the “Journal of International
Economics” compare the relationship between
international trade and income convergence of
member countries in a specific trading bloc with
selected group of non-member trading partners.
Ben-David (1996) confirms that the convergence
among trading partners within a trading bloc is
more likely than with non-member trading partners.
Henrekson at el. (1997) examine the effects of EC
and EFTA on the growth trajectories of member
countries with the study titled “Growth Effects of
European Integration”. They employ a base
regression model with appropriate proxies for
growth rate, level of development, human capital,
investment and two dummy variables for EC and
EFTA over the period 1976 to 1985. They conclude
the fact that RTAs “may not only affect resource
allocation, but also long run growth rates” since,
results of the regression model indicate that both
EC and EFTA lead to positive and significant
growth effects for the member countries. The study
titled “Growth and Deeper Regional Integration in
a three-country Model” conduct by Walz (1997)
employs the endogenous growth models of Romer
(1990) and Grossman and Helpman (1991) in to a
three-country model in order to assess the growth
effects of regional integration. Appling the TC and
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TD effects in static theory into the dynamic setting,
he concludes the fact that dynamic effects of TI are
not always growth enhancing, since a union with
TC effects would leads to positive growth effects
while a union with TD effects lowers the steady-
state growth rate. However, Walz indicates that the
aforesaid relationship depends on the “general
specialization patterns of the integrating nations”
and therefore, reverse relationship is also possible.
For instance, as indicate by Shiff and Winters
(1998), TD may rise growth and TC may lowers it,
if a country specializes in the traditional sector.
Vamvakidis (1998) with the study titled “Regional
Integration and Economic Growth” attempt to
answer the empirical question, whether the
openness, market size, and level of development in
a specific regional bloc leads to economic growth
of home countries by considering ASEAN, The
Andean Pact, CACM, Central African Customs and
Economic Union (UDEAC), and the EU. In this
regard, cross country and time series growth
regressions are employed over the period 1970 to
1990. His findings indicate that except EU all the
other considered RTAs fail to influence growth of
member countries. Moreover, Vamvakidis
concludes the fact that “countries with open, large
and more developed neighboring countries do
experience positive spillovers”. Nabende, at el.
(2001) examine the influence of AFTA in attracting
FDI and subsequent spillover effects of FDI on
economic growth with their study titled “FDI,
Regional Economic Integration and Endogenous
Growth: Some Evidence from Southeast Asia”.
Ordinary least square and three-stage least square
techniques are employed on data gathered over the
period 1970 to 1996 for ASEAN-5 countries. Their
findings indicate that AFTA significantly
influences the inward FDIs to the region and the
spillover effects of FDIs on growth are significant
through human capital, technology transfer and
learning-by-doing.
Though empirical evidences on the aforementioned
phenomenon are limited, empirical studies that
concentrate on trade openness and economic
growth are substantial (among others, Grossman
and Helpman, 1992; Edwards, 1993; Sachs and
Warner, 1995; Coe, Helpman and Hoffmaister,
1997) and theoretically rich, because they confirm
few possible channels through which trade
openness may influence growth (Wacziarg, 2001;
and Arora and Vamvakidis, 2005). Some of these
channels can be applied even for an analysis that
considers the impact of RTAs on growth. Hence,
some selected studies that concentrate on the
relationship between openness and economic
growth are also reviewed in this section.
Wacziarg (2001) introducing a new measure of
trade policy openness and more specifically
identifying six channel variables that trade policy
influences economic growth, attempt to investigate
dynamic gains of trade. These channels include:
government size, quality of macroeconomic
policies, price distortions, factor accumulation and
another two variables that capture the effect of
technology transmission namely, FDI and
manufactured exports. In this regard, a structural
model is estimated using three-stage least squares
in a panel of 57 countries over the period 1970 to
1989. The findings of the study indicate that the
economic growth is positively influenced by the
trade openness and among channel variables,
accumulation of physical capital, technology
transmission, and improvements in macroeconomic
policies are significant. Accumulation of physical
capital is found as the main cannel through which
openness affects growth. Arora and Vamvakidis
(2005) also ignoring the influence the RTAs,
examine the effect of trading partners on the
growth rate of home country, with their study titled
“How Much Do Trading Partners Matter for
Economic Growth”. A fixed-effect panel data
model is estimated for 101 countries during 1960 to
1999. Independent variables use in this regard
includes: Convergence, demographic development,
investment in physical capital, human capital,
macroeconomic stability, trade openness, trading
partners GDP growth, and an interaction term that
captures the level of openness. Further, world real
per capita GDP, non trading partners real per capita
GDP and distance-weighted real per capita GDP
are used as control variables for common global
and regional trends. The results of the panel model
indicate a strong relationship between trading
partners GDP growth and home country GDP.
SOUTH ASIAN RTAs
Regional TI is one of the major concerns of South
Asian countries over the last two three decades. It
is institutionalized with the formation of SAARC in
1985 and the subsequent rectification of SAPTA,
SAFTA, and SATIS. The impact of such TI on
South Asian countries is investigated even before
the formation of SAARC. For instance, Jayaraman
(1978) and Rahman, Bhuyan, and Reza, (1981)
independently investigate the potential effects of a
hypothetical CU which comprises of Bangladesh,
India, Nepal, Pakistan and Sri Lanka. However, as
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report by Bandara and Yu (2003) quantitative
research studies that concentrate on this
phenomenon within the region are limited due to
four possible reasons. First, the regions’
contribution to the global trade, investment, and
growth is not momentous. Second is the data
constraint in the region. Third, the published data
do not provide the real picture as the “illegal trade”
volume in the region is high. Finally, the existence
of non-tariff barriers, which are difficult to
recognize and quantify, also leads to the
limitedness of such quantitative studies. Despite
these possible constraints literature provides some
empirical evidences on the desirability of TI in the
region, especially on SAPTA and early stages of
SAFTA. Hence, the following section provides a
descriptive review on some of those studies,
thereby highlighting the literature gap that prevails
in the South Asian region.
Early studies that focus on desirability of SAPTA
use the partial equilibrium framework in order to
assess the price elasticities of goods demand by the
region. Govindan (1994) with the study titled “A
South Asian Preferential Trading Arrangement:
Implications for Agricultural Trade and Economic
Welfare” evaluate the trade effects of SAPTA by
estimating the price elasticities of food imports by
the member countries. The results of the study
confirm the potentiality of SAPTA in improving
the economic welfare and specially in securing the
food security in the region. DeRosa and Govindan
(1995 and 1996) point out the requirement of a
further study as Govindan (1994) does not devote
his attention on the third country effects and
consider only the effects of food imports by the
member countries. Hence, DeRosa and Govindan
with their study “Agriculture, Trade and
Regionalism in South Asia” extend the previous
study by investigating the implications of SAPTA-
APEC relations and including trade in
manufactures as well. In this regard, they evaluate
the unilateral tariff reductions by SAARC countries
with in a partial equilibrium framework. DeRosa
and Govindan while confirming the findings of
Govindan (1994) state that SAPTA expands the
intra-SAARC trade in manufactures, especially in
labor-intensive and other light manufactures.
Moreover, they indicate that the trade
liberalizations with other counterparts of the world
(eg: APEC) will bring more welfare gains to the
region when compared to intra-regional
liberalizations.
The study titled “Is SAARC a viable economic
block? Evidence from gravity model” conducted by
Hassan (2001) devoting special attention to the
Bangladesh trade patterns attempt to answer the
empirical question, whether intra-SAARC trade is
welfare improving or not. In addition, the impact of
SAPTA and hypothetical trading blocs between
Bangladesh and other regional blocks like ASEAN,
NAFTA and EEC are also investigated. As the title
of the study suggests a basic gravity model with
appropriate proxy variables for size of the
economy, level of economic development, and
transportation cost or distance between countries
are employed in arriving at the results. Based on
the results of the gravity model, he point out the
requirement of further TI commitments, since the
prevailed integration arrangements are failed in
creating welfare benefits to the countries of the
region. Bandara and Yu (2003) use the GTAP
model in their study titled “How Desirable is the
South Asian Free Trade Area? A Quantitative
Economic Assessment” in order to evaluate the
welfare gains of SAPTA and proposed SAFTA. In
this regard, they use the GTAP version five
databases and aggregate it into 12 regions
considering Bangladesh, India, Sri Lanka and rest
of the South Asia as separate regions. Further, 17
industries are considered in this regard. Bandara
and Yu conclude the fact that SAPTA and the
proposed SAFTA as a TI arrangement is highly
undesirable and would lead to a significant TD
effect. Further, they indicate that South Asia have
the potentiality of gaining much more through
unilateral and multilateral trade liberalizations than
preferential trading arrangements. Yet still,
hypothetical FTAs with NAFTA and EU depict the
potentiality of welfare gains to the region.
Hirantha (2004) examines the TC and TD effects of
intra-regional (SAPTA) and extra-regional
(ASEAN, NAFTA and EU) trade arrangements
with his study titled “From SAPTA to SAFTA:
Gravity Analysis of South Asian Free Trade”. A
basic gravity model is employed by using both
panel and cross sectional data analysis techniques
in order to analysis the bilateral trade data during
1996 to 2002. Hirantha indicates that the results of
the study contradict with the most of the previous
studies within the region as it depicts a significant
intra-regional TC effect. Also, insignificant TD
effect is found as the region imports mostly from
non-member countries. Further, he concludes the
fact that this significant TC effect of SAPTA will
lead positively for the success of proposed SAFTA.
Tumbarello (2006) investigates the TC and TD
effect of several preferential trading arrangements
including SAPTA. A gravity equation as proposed
by Soloaga and Winters (2000) is employed by
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using both panel and cross sectional data analysis
techniques during 1984 to 2003.Tumbarello
confirms the significance of all the basic gravity
variables like, economic size, per capita income,
bilateral distance, common language, and common
border. Moreover, he confirms the existence of TC
effects and also the absences TD effects for almost
all the RTAs considered including SAPTA. Kumar
and Saini (2007) with the study titled “Economic
Co-operation in South Asia: The Dilemma of
SAFTA and Beyond” use the GTAP model once
again to assess the potential impact of SAFTA on
member countries. Further, Kumar and Saini
examine the effects of alternative trade
liberalization scenarios: extended trade relations
with ASEAN, NAFTA and EU; unilateral and
multilateral trade liberalizations; and a hypothetical
CU for South Asia. They also made a conclusion
quit similar to the Bandara and Yu (2003), which
indicates that “the welfare basis for establishing
SAFTA or for deeper trade policy coordination is
not very strong. Nor it is obvious that cooperation
among South Asia would be forthcoming given the
anticipated welfare impacts”.
The study titled “Trade Potential in SAFTA: An
Application of Augmented Gravity Model” conduct
by Rahman, Shadat and Das (2006) examine the
static welfare effect of several RTAs with special
focus on SAFTA. In this regard, the gravity model
is augmented by introducing bilateral exchange
rates and bilateral free trade agreements. They
estimate this augmented gravity model by using
panel data approach with country-pair and time
specific fixed effects during 1991 to 2003. Rahman
at el. indicate the existence of both export creation
and export diversion in SAPTA. In addition, they
state that Bangladesh, India, and Pakistan are likely
to be gain while other countries (Bhutan is not
considered with this study due to the data
constraint) are negatively affected. Moktan (2008)
investigate the desirability of SAPTA with the
study titled “Evaluating the Intra-regional Exports
and Trade Creation and Trade Diversion Effects of
Trade Agreements in SAARC Countries”. An
augmented gravity model (augmented by
introducing policy variable and time specific fixed
effects) is employed in a pooled panel data
framework during the period 1980 to 2005. The
time period is broken down to five sub periods as
Pre-SAARC (1980-1984), Post-SAARC (1985-
2005), Pre-SAPTA (1980-1994), Post-SAPTA
(1995-2005), and Pre+Post (1980-2005). Results
indicate a significant impact of trade agreements on
exports during Post-SAARC and Post-SAPTA
periods while it is insignificant in Pre-SAARC and
Pre-SAPTA period. Also he confirms the existence
of significant TC effects within the region. Further,
he indicates these TCs possibly result from the
effect of SAPTA and the “delayed impact of
bilateral trade agreements” between member
countries of the region.
Once again, Moktan (2009) with his study “The
Impact of Trade Agreements on Intraregional
Exports: Evidence from SAARC countries”
investigates the desirability of trade agreements in
SAARC countries by introducing several
adjustments to his previous study. In this study,
generalized gravity model or so called unilateral
trade model and panel data set are used over the
expanded period of 1971 to 2005. This 35 year
period is broken down to five sub periods as Pre-
SAARC1 (1971-1979), Pre-SAARC2 (1980-1984),
Pre-SAPTA (1985-1995), Post-SAPTA (1996-
2005), and SAARC 1&2 (1985-2005). Estimated
results indicate that the impact of trade agreements
during Pre-SAARC1, Pre-SAARC2 and Pre-
SAPTA are not significant while during Post-
SAPTA and SAARC 1&2 are significant.
Moreover, when the potential significance of
SAPTA is tested, results show the failure of
SAPTA in inducing a TC effect within the region
and confirm the fact that the actual impact on
exports in Post-SAPTA periods came from the
delayed impact of bilateral trade agreements
between member countries of the region.
The research paper titled “Does South-South Trade
Agreements Enhance Member Countries’ Trade?
Evaluating Implications for Development Potential
in the Context of SAARC” conduct by
Bhattacharya and Das (2009) examine the potential
influence of SAFTA on member countries by
devoting special attention to the “behind the
border” and “beyond the border” constraints to
bilateral trade flows during 1995 to 2008.
Following the available literature, they define
“behind the border” constraints as “the unfavorable
policy environments in the home country” while
those in the partner country were define as “beyond
the border” constraints. In this regard, the error
term, ε, of a gravity model measured through the
maximum likelihood framework is decomposed
into “single sided error term”, u, which captures the
combine effect of “behind the border” constraints
and into “double sided error term”, v, which
denotes “beyond the border” constraints and
normal error term. Four hypothetical tariff
reductions (25%, 50%, 75% and 100%) are
evaluated in arriving at the results. The findings of
the study indicate that, the “behind the border”
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constraints significantly influence the exports of
member countries. Further, relatively smaller
member countries will achieve the maximum gain
when a FTA among SAARC members fully
operational. Moinuddin (2013) using a resent data
set (1992-2011) investigates the determinants of
trade flows and the effects of SAFTA with the
study titled “Fulfilling the Promises of South Asian
Integration: A Gravity Estimation”. A gravity
model with standard gravity variables and
additional explanatory variables to represent the
openness and restrictions (exchange rate, ratio
between Import and GDP, and Tariff rates) are
implemented in a panel least square regression
framework. In addition, two dummy variables are
used to represent SAFTA and countries that link to
“multi fiber agreements”. The reported results on
determinants provide several conclusions: all the
standard gravity variables are significant; the
impact of currency depreciation or appreciation
measured by using exchange rate is not significant
for all the countries; the proxy for the openness
(Import-GDP Ratio) is significant; the measure of
restriction indicates that the reductions in tariffs
will positively affect the intra-regional trade.
Further, Moinuddin confirms the existence of TC
effects within the region as a result of SAFTA.
In addition to above reviewed empirical evidences
that focus on static welfare effects of intra-SAARC
trade integrations, very few researchers devote their
attention on the dynamic aspect as well (Alam,
2000; Pradan, 2002; Sirinivasan, Kalaivani, and
Ibrahim, 2011; Athukorala, 2013). An exploratory
study titled “Intra-Regional FDI and Economic
Integration in South Asia: Trends, Patterns and
Prospects” conduct by Athukorala (2013) examines
the behavior of FDI within the South Asian region.
In this study, Athukorala clearly mentions the lack
of research studies that concentrate on the
intraregional-FDI and FDI-Trade nexus for the
region. However, depending on his investigation on
inward and outward FDI trends several conclusions
are made. He indicates that the majority of
intraregional-FDIs within the region are horizontal
FDIs, while the vertical FDIs are limited. Further,
he states that though the impact of SAFTA and
other bilateral FTAs on inward-FDI is yet to
investigate for the region, FDI trends suggest that
cross border trade liberalizations and liberalization
of investment regimes may lead to attract
intraregional vertical FDIs. However, the scope of
other studies limited to the FDI and its effect on the
growth trajectories of the region. Or in other words,
these studies concentrate on the causal relationship
between inward FDI and economic growth
ignoring the phenomenon of integration. Alam
(2000) examine the impact of FDI on Bangladesh
and Indian economies and conclude the study
indicating that the impact is unsatisfactory. Pradan
(2002) also stress a similar conclusion with his
study conduct for India over the period 1969 to
1997. Both these studies concentrate on one or
two countries of the region. But, a recent study,
“An empirical investigation of foreign direct
investment and economic growth in SAARC
countries”, by Sirinivasan at el. (2011) examines
the causal nexus between FDI and all the SAARC
countries over the period 1970 to 2007. The
econometric tool of Johansen Cointegration (JC)
test, Vector Error Correction Model (VECM), and
Impulse Response Function (IRF) are employed in
attaining results. The reported results of JC test
indicate a long run relationship between FDI and
GDP in Bangladesh, India, Maldives, Nepal,
Pakistan and Sri Lanka. VECM results confirm
strong bidirectional link in these two variables for
the countries except for India. However, a
significant one way causality is depicted from GDP
to FDI for India.
CONCLUSION
This study reviews the theoretical and empirical
justifications of static and dynamic theories of TI.
A careful summarization of static theory and its
further developments indicate that a RTA may
possibly generate welfare gains mainly through the
effects of TC and TD. Though, TD is initially
considered as a welfare reducing effect, later it has
been proved that TD is not necessarily a negative
aspect. Further, some key characteristics of
participating countries and the agreement itself
may lead to intensify the static welfare gains. These
features may include the terms of trade, form of
tariff reduction, competitive verses complementary
nature of economies, levels of income, volume of
trade, and etc. According to many prominent
researches mere concentration on static effects is
insufficient when assessing the effects of RTAs.
Therefore, to have a better understanding on the
desirability of RTAs it is required to assess the
dynamic effects as well. The dynamic welfare
theory concentrates on the factors that lead to
increase rate of economic growth as a result of
entering into a RTA. TI literature identifies
economies of scale, increasing RRC, improvements
in government policy credibility, inward FDI,
technology transfer, human capital developments,
improvements in knowledge and knowhow, and
etc. as dynamic factors. However, due to lack
studies that concentrate on dynamic effects the
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knowledge on this regard is still unsatisfactory.
Moreover, this has resulted in a vacuum in
literature on the potential growth channels of
RTAs. All in all, this literature survey intensifies
the requirement of studies that focus on both static
and dynamic theories when assessing the
desirability of RTAs. However, the existence of
undefined and inconclusive region specific other
factors may lead to different conclusions for
different TI arrangements. Hence, when
empirically testing the welfare effects of RTAs it is
import to consider region specific trade stimulant
and deleterious factors as important. Empirical
literature on these welfare effects is quite rich in
Europe, North America, and Southeast Asia.
However, empirical knowledge on this regard in
other counter parts of the world, especially South
Asia, is yet to reach a peak due to lack of studies,
inconsistency in findings, and especially
completely ignorance of dynamic welfare effects.
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