mutual fund performance in europe
TRANSCRIPT
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Master Thesis
Mutual Fund Performance in Europe
The Role of Fund Size
Moritz Felde
ID 444650
Supervisor: Dr. Rogr Otten
Maastricht University
Faculty of Economics and Business Administration
Department of Finance
The Netherlands
August 2007
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List of Contents
LIST OF FIGURES............................................................................................................... III
LIST OF TABLES................................................................................................................. IV
1 INTRODUCTION .................................................................................................................1
2 LITERATURE REVIEW .....................................................................................................4
2.1USMUTUAL FUNDS...........................................................................................................42.2EUROPEAN MUTUAL FUNDS ..............................................................................................62.3FUND SIZE .........................................................................................................................82.4CONCLUSION ...................................................................................................................11
3 THE MUTUAL FUND MARKET.....................................................................................13
3.1THE FRENCH MUTUAL FUND MARKET ............................................................................163.2THE GERMAN MUTUAL FUND MARKET...........................................................................173.3THE ITALIAN MUTUAL FUND MARKET ............................................................................183.4THE SPANISH MUTUAL FUND MARKET ...........................................................................203.5THE UKMUTUAL FUND MARKET ...................................................................................20
4 DATA....................................................................................................................................22
5 METHODOLOGY..............................................................................................................28
5.1BENCHMARKS ..................................................................................................................28
5.2PERFORMANCE MEASUREMENT.......................................................................................325.3PORTFOLIO FORMATION ..................................................................................................34
6 TIME SERIES ANALYSIS ................................................................................................36
6.1THE EFFECT OF FUND SIZE IN FRANCE ..............................................................................366.2THE EFFECT OF FUND SIZE IN GERMANY ..........................................................................416.3THE EFFECT OF FUND SIZE IN ITALY .................................................................................466.4THE EFFECT OF FUND SIZE IN SPAIN .................................................................................506.5THE EFFECT OF FUND SIZE IN THE UK ..............................................................................546.6EXTREME PORTFOLIOS.....................................................................................................596.7SMALL CAP FUNDS ..........................................................................................................63
6.8SMALL FUNDS IN LARGE FUND FAMILIES........................................................................65
7. ROBUSTNESS TESTS ......................................................................................................68
7.1PERFORMANCE DEVELOPMENT........................................................................................687.2TIMING.............................................................................................................................717.3SURVIVORSHIP BIAS ........................................................................................................747.4OFFSHORE DOMICILE.......................................................................................................767.4ACTIVE VS.PASSIVE ........................................................................................................78
8 CONCLUSION....................................................................................................................79
REFERENCES .......................................................................................................................81
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List of Figures
Figure 3.1 World Mutual Fund Assets by Region, 2006 .....................................................13
Figure 3.2 Total Net Assets of European Mutual Funds, 2006 in billion .........................14
Figure 3.3 The European Investment Fund Market Breakdown of Nationally DomiciledFunds, 2006 ........................................................................................................15
Figure 3.4 Per Capita Assets invested in Mutual Funds, 2006 in .....................................16
Figure 3.5 French Mutual Funds (retail and non-retail) under Management segmented by
Type of Fund, 2001-2003 in m........................................................................17
Figure 3.6 German Mutual Funds (retail and non-retail) under Management segmented by
Type of Fund, 1999-2003 in m........................................................................18
Figure 3.7 Italian Mutual Funds (retail) under Management segmented by Type of Fund,1999-2003 in m................................................................................................19
Figure 3.8 Spanish Mutual Funds (retail and non-retail) Under Management segmented by
Type of Fund, 1999-2003 in m........................................................................20
Figure 3.9 UK Mutual Funds (retail and non-retail) under Management segmented by Type
of Fund, 1999-2003 in m .................................................................................21
Figure 4.1 Size Histogram of German Equity Mutual Funds, 2005 in m (large picture) .25
Figure 4.2 Size Histogram of German Equity Mutual Funds, 2005 in m (small picture).26
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List of Tables
Table 4.1 Summary Statistics .............................................................................................23
Table 4.2 Development of the average and median size fund from 1991 to 2005 in m..25Table 4.3 Investment Focus: Time-Series Averages of Cross-Sectional Averages ...........27
Table 5.1 Summary Statistics for Benchmark Portfolios Domestic Funds .....................29
Table 5.2 Summary Statistics for Benchmark Portfolios European Funds .....................30
Table 5.3 Summary Statistics for Benchmark Portfolios Global Funds..........................31
Table 6.1 Portfolio Returns France Domestic ....................................................................37
Table 6.2 Portfolio Returns France Europe ........................................................................38
Table 6.3 Portfolio Returns France Global.........................................................................40
Table 6.4 Portfolio Returns Germany Domestic ................................................................42
Table 6.5 Portfolio Returns Germany Europe ....................................................................43
Table 6.6 Portfolio Returns Germany Global .....................................................................45
Table 6.7 Portfolio Returns Italy Domestic ........................................................................46
Table 6.8 Portfolio Returns Italy Europe............................................................................48
Table 6.9 Portfolio Returns Italy Global ............................................................................49
Table 6.10 Portfolio Returns Spain Domestic ......................................................................51
Table 6.11 Portfolio Returns Spain Europe..........................................................................52
Table 6.12 Portfolio Returns Spain Global...........................................................................53
Table 6.13 Portfolio Returns UK Domestic .........................................................................55
Table 6.14 Portfolio Returns UK Europe .............................................................................56
Table 6.15 Portfolio Returns UK Global ..............................................................................57
Table 6.16 Extreme Portfolio Returns France ......................................................................60
Table 6.17 Extreme Portfolio Returns Germany ..................................................................61
Table 6.18 Extreme Portfolio Returns Italy..........................................................................61
Table 6.19 Extreme Portfolio Returns Spain ........................................................................62
Table 6.20 Extreme Portfolio Returns UK ...........................................................................63
Table 6.21 Small Cap Fund Returns.....................................................................................64
Table 6.22 Fund Family Returns ..........................................................................................66
Table 7.1 Performance Development .................................................................................69
Table 7.2 Timing (Henriksson and Merton (1981).............................................................72
Table 7.3 Timing Treynor and Mazuy (1966) ....................................................................73
Table 7.4 Test for Survivorship Bias ..................................................................................75
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Table 7.5 Offshore Domicile ..............................................................................................77
Table 7.6 Offshore Domicile Domestic Spread Portfolios .................................................77
Table 7.7 Active/Passive ....................................................................................................78
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1 Introduction
"You will see below-average expenses, high-quality
management, diversified portfolios, and, of course, a long
and generally successful track record."
This quote, referring to the five largest equity mutual funds in the US, is from Russel
Kinnel, director of mutual fund research at Morningstar. While Russel Kinnel stresses the
advantages of large equity mutual funds, the performance history of Fidelity Magellan,
formerly the worlds largest mutual fund, does not look very convincing. After the fund
was closed to investors in 1997, its new portfolio manager Robert Stansky took control of a
fund that was no longer manageable due to its enormous size (Nocera 1996). As a result,
the unhealthy growth in assets under management is now regarded as the primary cause of
the fund falling to fifth place in size in 2005. Prior, a record of poor performance led
investors to pull out an estimated $ 11,6 billion from the fund between March 2004 and
March 2005.
Building on these two opposite outlooks on mutual fund size and its effect on
performance, this study explores return differences between small and large mutual funds.
Fund size has become of critical concern in Europe, more so since the EU enacted the first
UCITS (Undertakings for Collective Investments In Transferable Securities) directive in
1985. Equipped with a so-called European Passport obtained in Europes mutual fund
centre, Luxembourg, funds can be distributed in all EU member countries. Mutual funds
managers are therefore able to reach a substantially larger number of customers compared
to a purely national fund distribution. Thus, the question arises whether prospective
advantages of larger mutual funds outweigh the potential disadvantages associated with
fund size. Regardless of the qualitative viewpoint, one effect seems certain: Investors
allocate money to those funds that have a convincing track record. Therefore, out-
performing funds attract more capital than others resulting in the funds growing larger
(Beckers &Vaughan, 2001).
Apart from Russel Kinnel, numerous researchers and practitioners refer to
advantages of fund size. The most obvious is the opportunity of large funds to profit from
economies of scale. Fixed overhead expenses can be spread over a larger asset base, which
might include costs for resources and research, among others. Normally, this should cause
the costs per Euro invested to decrease and therefore result in a superior net performance.
Additionally, Smith (1994) refers to larger funds being able to obtain more shares in
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oversubscribed IPOs than smaller ones. In contrast, other researchers point at potential
diseconomies of scale for mutual funds. Perold and Salomon (1991) conjecture that
diseconomies of scale stemming from the relation between market impact and transaction
size, erode mutual fund performance. Equipped with a large asset base, fund managers lose
the ability to quickly move in and out of positions. Not only does this reduce the fund
managers flexibility, it also reduces the anonymity of trades. As Indro (1999) points out,
large funds managers are carefully monitored by outsiders, who suspect managers to
execute highly sophisticated deals. Therefore, investment intentions of large funds are
quickly revealed.
Apart from Otten and Bams (2002), previous research on fund size and its effect on
performance focused on the US market. The purpose of this study is therefore to expand
existing US studies on fund size and its influence on performance by investigating the
European market. The main analysis in this study therefore aims to investigate whether
large or small funds available for purchase in five European markets (France, Italy,
Germany, Spain and the UK) display a better risk-adjusted performance. Within the course
of this investigation, three models for estimating risk-adjusted returns are employed. The
one-factor model by Sharpe (1964) and Lintner (1965) is augmented by Fama and Frenchs
(1993) three-factor model as well as Carharts (1997) four-factor model. Additionally, two
implications from a study conducted by Chen et al. (2004) are tested for the European
market. First, it is examined whether the potentially eroding effects of fund size on
performance are more severe for funds investing in small cap firms. Second, economies of
scale for US mutual funds are believed to be found on the fund family level rather than on
the individual fund level. This finding together with the assertion that large fund families
face incentives to push their smaller funds yields the implication that small funds of
large families should perform well. This second implication is also tested for the European
fund market.
The results of this study suggest that equity mutual funds in the four investigated
continental European countries are on average able to expropriate economies of scale.
Diseconomies of scale are found for UK equity mutual funds. As predicted by the liquidity
hypothesis, diseconomies of scale are found for funds investing in small cap stocks, only.
Apart from French funds exclusively investing in the small cap universe, smaller small cap
funds outperform their larger peers in all investigated countries. By way of contrast, the
second hypothesis from Chen et al. (2004), relating to small funds of large familiesoutperforming their peers, is not supported by the data.
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The remainder of this paper is organized as follows. Chapter two presents an overview of
the literature on which this research is based. Chapter three contains information on the
worldwide, European and country specific mutual fund markets. Chapter four introduces
the two datasets on which this study is based and presents a basic overview of descriptive
statistics. In chapter five, the methodology as well as the different benchmarks in use are
described. Chapter six presents an analysis on performance differences between large and
small equity mutual funds, in chapter seven it is checked for robustness and chapter eight
concludes.
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2 Literature Review
This literature review attempts to depict an overview over a selection of seminal and
influential studies in the area of mutual funds. Since all of the early and most of the recentworks on mutual funds spotlighted the US market, this review starts out by reviewing the
most important studies on this market. The subsequent sections will in contrast centre on
studies on the European mutual fund market and on studies focusing on fund size, as these
are the subjects which this study attempts to combine.
2.1 US Mutual Funds
Scholars have long attempted to asses the performance of mutual fund managers. While
early studies are only able to make performance assessments on the basis of relative risk,
the first academic to assess mutual fund performance in an absolute way is Jensen (1968).
With the help of the capital asset pricing model developed by Sharpe (1964) and Lintner
(1965), he is able to refer to performance that is attributable to risk. Everything beyond that
is considered abnormal and has become known as Jensens alpha. The sample of 115
mutual funds in the period from 1945-1964 is on average not able to outperform market
averages on a risk-adjusted basis. Furthermore, Jensen doubts whether any individual fund
in the sample is able to do so.
Other researchers such as Sharpe (1966) and Friend et al (1970) are in line with
Jensens findings of mutual funds not being able to compensate for the costs of their
operation. Although not generally contradicting these findings, Carlson (1970) points out
that the question whether mutual funds outperform the market crucially depends on the
time period of investigation and the market proxy used.
A shortcoming of these studies was, according to Chang and Lewellen (1984) that
the use of the single-factor capital asset pricing model used in the early studies fails to
account for a fund managers ability to engage in macro market-timing-activities. In
their study of 67 mutual funds between 1971 and 1979 they develop a statistical procedure
incorporating the potential presence of market-timing by the fund manager. Nevertheless,
the results they obtain show no qualitative difference to the previous ones. This is in
accordance with Henriksson (1984), who finds that mutual fund managers are on average
not able to successfully time the return on the market portfolio.
According to Ippolito (1989), the entire first generation of papers relating to
mutual fund performance is characterized by the joint conclusion of mutual funds
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performing poorly. In the very same paper, while performing a study comparable to the
one of Jensen (1968), he obtains results contradicting prior findings. After having
investigated a sample of 143 mutual funds during the period from 1964-1984, he finds that
even net of fees and expenses mutual funds are able to generate an abnormal return of 0.81
per cent per year. When additionally investigating the effect of active investment strategies
on turnover, fees and expenses, he finds that more active funds generate returns high
enough to compensate for the higher costs they charge.
Grinblatt and Titman (1989) in their study on quarterly portfolio holdings of a large
sample of mutual funds also obtain results indicating that mutual fund managers do possess
enough private information to generate abnormal gross returns. This effect is most
pronounced for aggressive-growth funds, growth funds and funds with the smallest net
asset values. Because these funds are also the ones charging the highest costs, Grinblatt
and Titman (1989) do not find any category of funds to generate positive abnormal net
returns.
Malkiel (1995) criticises earlier research on mutual funds referring to the fact that
these studies utilize datasets containing all mutual funds in existence at the time of the
study. The bias associated with such a sample is called survivorship bias. He examines a
sample of mutual funds between 1971 and 1991 free from survivorship bias and finds that
the bias effect had previously been underestimated. In his performance analysis he finds
mutual funds on average underperforming the market in net as well as in gross terms. Most
strikingly, he finds no relationship between beta and returns within the framework of the
capital asset pricing model. He thus concludes that most investors would be better off
buying passive rather than active funds.
Gruber (1996) poses the question why, after all that has been found out about
mutual fund performance, investors still buy actively managed mutual funds. He explains
what he calls the mutual fund puzzle with the help of a model in which he decomposes
investors into groups with different skill and incentives.
Wermers (2000) finds that most stocks held by mutual funds outperform the value
weighted CRSP index. In aggregate he finds mutual funds outperforming the index by a
yearly 130 basis points. By decomposing the 130 basis points into different parts, Wermers
attributes 71 basis points to the stock picking talent of the fund managers. 55 to 60 stem
from mutual funds picking stocks with characteristics associated with higher average
returns than the benchmark. Nevertheless, because the outperformance of 130 basis points
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roughly equals the magnitude of the mutual funds expenses and transaction costs, they
generate no abnormal net returns.
Other studies emerging since the beginning of the 1990s have shifted their attention
from performance to persistence. Hendricks, Patel and Zeckhauser (1993) investigate
quarterly return data of a sample of no-load, open-end, growth-oriented equity funds from
1974 to 1988. They detect persistence in short-term superior fund performance and label
this characteristic hot hands. If these hot hand funds are detected ex ante, risk-adjusted
returns can be improved by 6 per cent per year. Moreover, the counterpart to hot hands,
so-called icy hands is detected. Funds that underperformed in the previous period tend to
underperform in the following period. These results are confirmed by numerous fellow
scholars, among them Goetzmann and Ibbotson (1994) as well as Brown and Goetzmann
(1995). Using a probit analysis, the latter find that poor performance increases the
probability of a fund disappearing and that persistence stems mostly from those funds
lagging the S&P 500. Moreover, the presence of persistence seems to depend on the time
period of investigation. This latter finding is confirmed by Malkiel (1995) who finds strong
patterns of persistence in the 1970s but is unable to detect them during the 1980s.
While according to these studies, persistence seems to exist at least for certain time
periods, Carhart (1997) attributes Hendricks, Patel and Zeckhausers (1993) Hot Hands
momentum. He forms portfolios based on the funds lagged one year performance and
assigns the difference in performance to common stock factors, expense ratios and
transaction costs. Persistence is only detected in the underperformance of the two worst
performing deciles of funds. He thus merely detects Icy and no Hot Hands.
2.2 European Mutual Funds
All of the above mentioned studies have one commonality: They solely focus on US
American mutual funds. After all, the US mutual fund market has been extensively
researched, while publications on European funds are scarce.
In a study on performance persistence of European mutual funds, Grnbichler and
Pleschiutschnig (1999) find persistence in risk-adjusted returns. Moreover, their finding
stemming from an investigation of a sample of 333 European equity mutual funds is not
weakened by the criticism of Carhart (1997). Neither employing the 4-factor model nor
changing the technique to measure performance persistence mitigates their results.
In a paper by Otten and Schweitzer (2002) the authors compare the US and theEuropean mutual fund industry. The European sample, covering 506 funds for purchase in
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the five most important mutual fund countries ranging from 1991-1997, is restricted to
domestically investing equity funds. With respect to performance the authors find that
European mutual funds generate risk-adjusted returns superior to those of US mutual
funds. Furthermore, small cap mutual funds in Europe as well as in the US outperform all
other funds and their respective benchmarks.
In the same year, based on data including the same number of funds but one more
year of return data as in the previous study, Otten and Bams (2002) present a
comprehensive overview over the European mutual fund industry. Contrary to what is
found for the US market, they find positive and significant risk-adjusted gross returns in
four out of five markets. Net of costs, mutual funds in these four markets on aggregate still
perform better than the market. Moreover, this effect is significant for UK funds. With
respect to performance persistence, the results of Otten and Bams (2002) contradict those
of Grnbichler and Pleschiutschnig (1999). Apart from mutual funds in the UK, only weak
evidence is found for performance persistence.
Other studies on European mutual funds deal with individual countries, only.
Dermine and Rller (1992) as well as Mc Donald (1973) focus on the French mutual fund
industry. While the former investigate economies of scale and scope, the latter study
focuses on the performance of only eight French mutual funds from the middle until the
end of the 1960s. On average, these funds offered superior risk-adjusted returns.
In a study on the German mutual fund market, Krahnen, Schmidt and Theissen
(1997) investigate the performance of eleven domestically investing German mutual funds
during the period 1987-1993. The authors find cross-sectional variation in performance,
which results in changes in market share. An absolute performance measure is not within
the scope of their study.
This issue is instead covered in a very recent study by Stotz (2007). He performs a
comprehensive performance evaluation study based on a sample of 141 funds during the
period of 1989-2005. He estimates risk-adjusted returns using the CAPM based one-factor
model of Jensen (1986) as well as Carharts (1997) 4-factor model. He finds a risk-
adjusted underperformance of 130 to 190 basis points for the average domestically
investing, actively managed German equity fund. Nevertheless, fund managers investing in
small-cap growth stocks with high momentum are able to generate positive though not
significant Carhart alphas. With respect to mutual fund managers stock picking ability,
Stotz (2007) thus arrives at the same sobering conclusion as other researchers based on theUS fund market did.
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Cesari and Panetta (2002) study the performance of 82 Italian equity funds during the
period 1985-1995. They find positive, risk-adjusted alphas of 7 to 109 basis points yearly,
after CAPM estimation. However, based on net returns, Jensens alpha becomes close to
zero and statistically insignificant. By the same token, Casarin, Pelizzon and Piva(2003)
find no positive risk-adjusted net returns for Italian equity funds during the period of 1988-
1999. Furthermore, only about ten per cent of the funds in their sample are able to generate
positive and significant alphas.
Quite recently, Vicente and Ferruz (2005) as well as Sainz, Grau and Doncel (2006)
investigate the Spanish mutual fund market with respect to performance persistence and
performance, respectively. The former investigate a sample of Spanish equity funds
investing in the domestic market. While they found no added value in holding actively
managed equity funds, they found strong evidence of contrary persistence in mean returns.
This finding goes in the direction of Carhharts (1997) finding of gambling behaviour by
some fund managers. Sainz, Grau and Doncel (2006) confirm Vicentes and Ferruz (2005)
results of Spanish mutual funds not being able to generate positive abnormal returns.
Moreover, the authors find no evidence of mutual fund managers being able to successfully
engage in market timing.
Blake and Timmermann (1998) study the UK mutual fund market. Based on a
sample of 2300 UK Mutual funds in existence between 1972 and 1995, they find the
average UK equity fund to underperform the market by 180 per year on a risk-adjusted
basis. Fletcher and Marshall (2005), in their study on the performance of UK international
unit trusts, find the average Jensen alpha to be negative and close to zero. While five out of
six fund categories display non superior performance when compared to the benchmark,
trusts investing in European countries perform superior to the benchmark, regardless of the
model used.
2.3 Fund Size
The first scholars to find an effect that relates to the size of mutual funds are Grinblatt and
Titman (1989). On the one hand, they hypothesize that small funds could outperform larger
ones because their impact on security prices when moving in and out of securities is
smaller. On the other hand, they anticipate larger funds could outperform smaller ones
because of lower transaction costs and other economies of scale. When forming quintile
portfolios based on the funds net asset values as of the beginning of their period ofinvestigation, Grinblatt and Titman (1989) obtain results consistent with their first
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hypothesis. The smallest quintile of funds outperformed the other quintiles and is the only
quintile that is able to maintain positive abnormal returns significant at the one per cent
level. Even after controlling for the fact that the smallest quintile contains more aggressive
growth and growth funds than the others, the size effect remains. However, the authors
second hypothesis is also partly confirmed. Transaction costs are inversely related to fund
size, eroding the effect of the smaller funds superior performance on a net return basis.
Five years later, Grinblatt and Titman (1994) again investigate the same sample of
domestically investing mutual funds as in their 1989 study. They use net asset value as one
of five independent variables in a cross-sectional regression. By using two different
benchmarks, the coefficient on the net asset value variable is negative but insignificant
regardless of the benchmark in use. According to their second study, fund size has thus no
effect on performance.
Ciccotello and Grant (1996) obtained results in line with the previous studies on the
effect of size on mutual fund performance. They investigate a sample of 626 mutual funds
in the period of 1992-1992. Methodologically, they adopted Grinblatt and Titmans (1989)
approach and sorted the funds in quintiles based on their net asset value at one specific
point in time. They chose the end of their period of investigation to measure net asset value
in order to test the first of their two hypotheses, stating that that a)large funds should have
greater historical returns than small funds. They also follow Grinblatt and Titmans (1989)
approach of measuring fund size as of the beginning of their period of investigation in
order to test their second hypothesis stating that b)small funds should have greater future
returns than large funds. Indeed, as predicted by hypothesis one, large funds outperformed
small funds on the basis of past returns. This is in accordance with Becker and Vaughan
(2001), who found that outperforming funds were able to attract significantly more money
from investors than others. The second hypothesis, relating to a funds future returns is
only partially confirmed by the data. Fund size has no effect on future fund performance
except for funds with an aggressive growth investment objective. The authors denote this
result intuitive, because logically the inflow of assets should pose a problem to a fund
manager with limited investment choices.
Within the framework of a pooled cross-sectional/time-series regression, Droms
and Walker (1994) relate mutual fund performance to a large set of fund characteristics.
Unlike the studies on size and performance previously mentioned, they investigate a
sample of international funds available to US investors, not of domestically investing USfunds. After having scrutinized 60 coefficients for asset size, the authors obtain a clear cut
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result: none of the coefficients is significantly different from 0. This lets them conclude
that asset size is unrelated to the risk-adjusted returns on mutual funds in the US.
Indro et al (1999) investigate a sample of 683 actively managed US mutual equity
funds over the period 1993-1995. They are the first scholars to refer to a required minimum
size of a mutual fund. Without a fund having reached a minimum net asset volume, the so-
called break-even size of a fund, the cost of gathering and processing information are too
high to be outweighed by returns. Moreover, the authors find declining marginal returns to
information activities that become negative once a fund has reached a certain net asset
volume. The authors attribute these diseconomies of scale to higher transaction costs on
large purchases/sale orders, administrative stress, deviations from desired investment style,
the opportunity costs of not implementing trades and the lack of the freedom to act without
signalling intent. The central argument is that as a mutual fund attracts more and more
money from investors, there are less investment opportunities left for him to take
advantage of.
In line with Indro et al (1999), Christopherson et al (2002) conjecture that there
might exist an inverse relationship between net asset value and performance for small-cap
investment managers. Their study contains data on small-cap managers, most of them
offering a variety of products, not only mutual funds. The general problems connected with
trading stock are, according to the authors, augmented when it comes to moving in and out
of small-cap stocks. In the vein of previous studies, they sort managers into size quintiles.
The methodological difference to previous studies lies in Christopherson et al (2002)
grouping managers in quintiles in every sub period. By doing so, they control for the fact
that well performing managers attract more capital than mediocre ones and are thus able to
isolate an uncontaminated size effect. The analysis reveals that indeed there exists an
inverse relationship between risk-adjusted performance of a small-cap manager and the
level of assets under management and growth in assets under management, respectively.
Hence, investors are urged to move out of small-cap investments once they have grown too
large.
Otten and Bams (2002) investigate the influence of fund characteristics on risk-
adjusted performance. They regress several fund characteristics on the funds four-factor
alphas. Over all investigated countries, they observe a positive effect of size on risk-
adjusted performance and deduce that European mutual funds still have to grow to reach an
efficient size. Nevertheless, the authors frankly admit that this finding might be biased by
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self-induced correlation. This is the case if over-performing funds attract more capital from
investors than other funds.
Using a sample of mutual funds covering the extensive time period 1962-1999,
Chen et al (2004) make use of the CAPM as well as the Carhart (1997) four-factor model
to test the relation between fund size and performance. Their results reveal a statistically
significant inverse relationship between fund size and performance. However, as the
authors emphasize, the size effect is only visible while controlling for fund family size. A
larger fund family size is associated with higher returns. This effect is attributed to larger
fund families being able to realize economies of scale associated with trading commissions
and lending fees. Because fund family size is positively correlated with fund size, the
negative size effect would not be visible without controlling for fund family size. Inspired
by the stipulations of the liquidity hypothesis stating that net asset volume should affect
small cap investments more than others, the authors control for the size of the investment
target. The results they obtain point to the confirmation of the liquidity hypothesis.
While small-cap funds are largely affected by the adverse effect of size on their
performance, the performance of large-cap funds is unaffected by the size of their asset
base. Another interesting finding of Chen et al (2004) relates to the number of stocks held
in the mutual funds portfolios. The median fund in the smallest size quintile held about 16
stocks, while the median fund in the largest quintile held about 66 stocks. In connection
with the fact that the largest funds are many more than four times bigger than the smallest
funds, this means that large funds on average have to take larger positions in individual
firms than smaller ones. This lends further support to the unfortunate liquidity concerns for
large funds.
Recently, Chan et al (2005) present a study on the relation between fund size and
the performance of Australian equity managers. Along the lines of previous research, they
report a negative influence of fund size on manager performance. While digging deeper
towards the origin of these diseconomies of scale, the authors receive results suggesting
that high fund inflows exert purchasing pressure on the manager which results in him
picking inferior investments and ultimately erodes performance.
2.4 Conclusion
The previous section portrays an overview of the various findings concerning
performance and fund size in earlier studies. As the studies are arranged in a chronological
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order, it becomes obvious that the research techniques have become more enhanced and
results have become more sophisticated over time.
In conclusion, some studies report an adverse relationship between size and
performance, while others detect no effect at all. Nevertheless, all of the studies
partitioning on a funds investment objective found fund size to negatively influence a
funds risk adjusted returns. This is consistent with the liquidity hypothesis as it is stated
in several of the abovementioned publications. As assets under management grow, fund
managers seem to experience difficulties meeting sophisticated investment decisions.
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3 The Mutual Fund Market
In the year 1774, the Dutch merchant banker and broker Adriaan van Ketwich aspired to
provide investment diversification opportunities also to those investors with limited means.He encouraged potential investors to subscribe to the Eendragt Maakt Magt and thereby
laid the foundations for todays mutual funds. Despite this early attempt, the first mutual
fund (Massachusetts Investors Trust) was established in Boston in the year 1924; exactly
150 years after Ketwich had the initial idea.1
Since then, the worldwide mutual fund industry looks back to a history of
astonishing growth. In the USA, mutual fund assets amounted to $ 47,6 billion ( 34,9
billion) in the year 1970 and have grown to $ 10,4 trillion ( 7,6 trillion) in the year 20062.
This corresponds to a yearly growth rate of roughly 16 per cent from 1970 to 2006.
Moreover, the US mutual fund market accounts for 48 per cent of the worldwide $ 21,8
trillion ( 16 trillion) of assets invested in mutual funds. As can be seen from figure 3.1,
Europe is the second biggest fund market with a share of 36 per cent of global assets,
followed by Africa/Asia Pacific and the other Americas. Although the US fund market is
the biggest fund market worldwide, its share of global mutual fund assets is steadily
declining. While it accounted for 58 per cent of global assets in 1999, the other fund
markets and especially the European market, have taken away some of the US global
market share.
Figure 3.1 World Mutual Fund Assets by Region, 2006
Other Americas
5%Africa and Asia
Pacific 12%
Europe 36%
United States
48%
Source: ICI
1ICI 2007 Investment Company Fact Book
2Ibid, ICI 1996 Investment Company Fact Book, own computations
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As described above, the European mutual fund market gains world wide market share.
Moreover, European mutual funds net asset volume today accounts for almost 60 per cent
when measured in relation to the GDP of the European Union (EU-15). This ratio
amounted to app. 36 per cent in the year 2002 and documents the rapid growth in European
mutual funds net asset value as compared to GDP.3
Net assets of European mutual funds are displayed in figure 3.2. While net assets
under management declined after the bubble period from 2000 to 2002, the market grew
continuously from 2002 to 2006. From 2005 to 2006 the market experienced a growth of
15,1 per cent and now amounts to almost 6 trillion of assets under management.4
Figure 3.2 Total Net Assets of European Mutual Funds, 2006 in billion
33383775
4206
5189
5974
0
1000
2000
3000
4000
5000
6000
7000
2002 2003 2004 2005 2006
Source: EFAMA
As presented in figure 3.3, mutual funds domiciled in Luxembourg, France and Germany
together account for over one half of the European mutual fund market. Of these countries,
Luxembourg is the most important country as a domicile for European mutual funds with a
market share of 24,4 per cent. This huge rate seems at odds with Luxembourgs overall
size relative to the other EU countries. When asked to comment on this apparent paradox,
practitioners put forward several reasons to explain Luxembourgs importance in the
European mutual fund market.
First of all, the Luxembourg authority responsible for fund investments acts, the
CSSF, is supposed to be quicker and more flexible than the national authorities in other EU
member states. Furthermore, the CSSF is believed to be more liberal with respect to
innovative products. As European fund markets are highly competitive, providers
appreciate the quick and uncomplicated steps they are able to take in Luxembourg.
Secondly, practitioners refer to potential economies of scale. The distribution of funds in
3EFAMA Annual Report 2006-2007
4This and the following numbers do not include non-UCITS funds
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27 EU member states is easier and cheaper if centrally organised in one country. Thirdly,
registration in Luxembourg has various special advantages over the registration in single
countries. This refers to less strict reporting standards as compared to the Netherlands and
tax advantages as compared to e.g. the Netherlands or Germany. In the Netherlands for
example, there used to be a capital tax on reclaiming dividends of 40 to 50 basis points
which is absent in Luxembourg. Furthermore, trading in Luxembourg takes place only
once a day, while in other European countries fund promoters have to report intraday
NAVs. According to a practitioner from Barclays, this has the advantage of a more clear
view on the in and outflows of a fund meaning that the day before you know what you
will be selling the day after.5
Figure 3.3 The European Investment Fund Market Breakdown of Nationally Domiciled
Funds, 2006
Luxembourg
24,4%
France
19,7%
Germany
13,4%
UK
10,3%
Ireland9,5%
Italy
5,1%
Spain
3,8%
Austria
2,2%
Switzerland
2,0%
Sweden
1,9%
Belgium
1,7%
Denmark
1,6%
Others
4,5%
Source: EFAMA
Apart from a comparison of fund domiciles by country, it is interesting to have a look at
national European markets real size. Since Germany as the largest European member state
counts about 176 times more inhabitants than Luxembourg does, it is clear that
Luxembourg can not play a role in this comparison.6
By the year 2003, Germany was indeed the largest European fund market based on
assets distributed, accounting for 27,1 per cent of the European Fund market. The
Germans are followed by the French and the British, accounting for 25,2 per cent and 14,3
per cent of the European fund market, respectively.
Of the European overall mutual fund market amounting to 5.974 billion of assets, the
largest part is captured by equity funds, representing 44 per cent of the market. They are
5All information referring to practitioners come from telephone interviews conducted February 2
nd, 2007
6CIA World Fact Book 2006
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followed by bond funds, capturing 24 per cent of market share and money and balanced
funds, both representing 16 per cent of the market.
Although not a major domicile of mutual funds, the UK plays an important role in
the European equity-linked fund market. While the share of the other European countries
(except Germany) in the equity-linked fund market is comparable to their share in the
overall fund market displayed in figure 3.3, the UKs share in the equity-linked fund
market (19 per cent) is almost twice as high as in the overall fund market. This happens on
the expense of Germany, whose share of 6 per cent in the equity-linked fund market is less
than half of its share in the overall mutual fund market.
As can be seen from figure 3.4, there is still a large gap between most European
countries per capita assets in mutual funds and the US. With 16.916, France comes close
to the US per capita asset holdings of 20.573. Nevertheless, all of the other European
countries per capita assets in mutual funds range below half of the US level. Obviously,
the European mutual fund industry is in a huge backlog. This gives reason to expect further
growth in the industry and an augmentation of mutual funds influence on the development
of capital markets.
Figure 3.4 Per Capita Assets invested in Mutual Funds, 2006 in
4492
6511
9517 9535
20573
5572 5700 6199
16916
0
5000
10000
15000
20000
25000
Netherland
s
German
y
Spain
UK Italy
Austria
Switz
erland
Fran
ceUS
A
Source: BVI
3.1 The French Mutual Fund Market
As mentioned in the previous section, the French mutual fund market is the second biggest
in Europe. With respect to the type of funds held in France, the large share of money
market funds is remarkable. As displayed in figure 3.5, the share of money market funds
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during the period 2001-2003 ranged between 42 per cent and 48 per cent of total assets
held in mutual funds. This huge share is especially noteworthy considering the
unfavourable taxation of short-term investments as compared to long-term investments
until the year 2002.
Figure 3.5 French Mutual Funds (retail and non-retail) under Management segmented byType of Fund, 2001-2003 in m
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
2001 2002 2003
Other
Unsegmented Off shore Funds
Property (n/a)
Money Market
Bond
Balanced
Equity
Source: Datamonitor
Of all the distribution channels for mutual funds, banks are by far the most important ones.
In 2003, 80 per cent of French mutual funds are distributed by banks. The remaining 20 per
cent are almost evenly split between insurers and independent distributors.
When segmenting the fund market by distributor, the huge diversity of the market
in France becomes apparent. About seven key players, among them BNP Paribas or AXA,
control about two thirds of the market. This makes the French market the second most
diversified one in Europe after the UK. However, ranked by performance, four out of five
of the best fund groups controlled less than five funds. This effect is due to a huge number
of smaller foreign promoters who had to open up funds domiciled in France in order to
compete with domestic promoters. In fact, these promoters were forced to do so for
otherwise unfavourable tax conditions. Of all the five European countries under
consideration, France has the smallest share of equity funds in the market. What is more,
this share declined between 2001 and 2003, reflecting the drop in equity prices and a more
security-oriented investment strategy.
3.2 The German Mutual Fund Market
Germany has the largest mutual fund market in Europe. Akin to other European fund
markets, assets under management in the German mutual fund market declined during the
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period 2001-2002 but experienced steady growth since then. As presented in figure 3.6, the
balanced fund market accounted for the largest stake in the market. They are followed by
money market and equity funds which, as in France, only account for a small share of all
assets invested. Their relative stake declined between 2000 and 2002 in reaction to the
equity price drop and investors longing to decrease their exposure the equity markets.
Figure 3.6 German Mutual Funds (retail and non-retail) under Management segmented byType of Fund, 1999-2003 in m
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
1999 2000 2001 2002 2003
Other
Unsegmented Off shore Funds
Property
Money Market
Bond
Balanced
Equity
Source: Datamonitor
The lions share of the funds sold in Germany is sold by Banks and ranged between two-
thirds and three-quarters from 2000 to 2002. While the rest of the market is mostly shared
between independent intermediaries and insurers, the latter suffer from a decrease of more
than 50 per cent of market share from 2000 to 2002. Furthermore, almost unrecognized a
few years ago, investment companies attempt to gain market share in the German mutual
fund sector and accounted for a share of about 5 per cent in 2002.
About 60 per cent of the German mutual fund market is controlled by 5 key
players. Among them, DWS and DEKA together account for 40 per cent of the German
market. Since they both belong to huge Banks, they profit from a huge branch network
triggering the distribution of mutual funds. Compared to other European mutual fund
markets such as the UK, France or Italy, the German market is quite concentrated. As in
the case of France, fund groups with a smaller number of funds in the portfolio did
extremely well over the last years.
3.3 The Italian Mutual Fund Market
With a compound annual growth rate of -7,1 per cent, the Italian mutual fund market wasthe worst performing market in Europe over the period 2001 to 2003.
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Similar to other European markets, the largest decline in mutual fund assets is found in the
equity segment. While this is a reaction to decreasing equity prices throughout all
European markets between 2000 and 2002, the increase in equity assets of 5 per cent in
2003 is again very low. As money was withdrawn from equity accounts, people began to
invest more money into secure investments like money market funds. These funds
experienced an increase in assets under management of 421 per cent during the period
1999 to 2003. This is why the Italian retail money market fund market and the traditionally
strong bond fund market are the largest of their category in Europe.
Figure 3.7 Italian Mutual Funds (retail) under Management segmented by Type of Fund,1999-2003in m
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
1999 2000 2001 2002 2003
Other
Unsegmented Offshore Funds
Property(n/a)
Money Market
Bond
Balanced
Equity
Source: Datamonitor
Although still the most important distribution channel for mutual funds in Italy, Banks are
steadily losing market share to other participants like intermediaries. The so-called mixed
system accounts for a market share of 40 per cent, almost as much as banks with a market
share of 49 per cent.
The fund market in Italy is very fragmented with the largest player (Nextra
Investment Management) accounting for a small 19 per cent of the total market. Other
smaller and medium size players control 49 per cent of the market while the remaining 32
per cent are left to smaller suppliers of mutual funds.
Larger fund promoters have in contrast to other European markets been very
successful in Italy. Between 1999 and 2003, none of the fund groups holding less than five
funds in the portfolio has more than once appeared in the top five between 1999 and 2003.
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3.4 The Spanish Mutual Fund Market
After a three year period of declining assets, the year 2003 marked a 21 per cent increase in
assets within the Spanish mutual fund sector. While the share of balanced and equity funds
declined during the period of weak stock markets from 2000-2002, the money market
segment remained stable at about 25 per cent of the total market.
Figure 3.8 Spanish Mutual Funds (retail and non-retail) Under Management segmented byType of Fund, 1999-2003 in m
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
1999 2000 2001 2002 2003
Other
Unsegmented Off shore Funds
Property
Money Market
Bond
Balanced
Equity
Source: Datamonitor
The fund distribution in the retail segment lies almost exclusively within the handsof banks. In the year 2003, banks and savings banks together distributed 91,8 per cent of
assets in the mutual fund sector. Brokers cover the remaining bit of the Spanish retail
market. Among banks two key players dominate the distribution of Spanish mutual funds.
Santander Gestion de ActivosandBBVA Gestionaccount for a combined market share of
46 per cent. In comparison to other European mutual fund markets, this is a high
concentration for the two top players. However, the remaining market is quite dispersed
with none of the other distributors accounting for a market share of more than 6 per cent.In four out of five years between 1999 and 2003, the best performing fund promoter had
less than five funds in the portfolio. This effect is not unique in the Spanish market and
seems to be a Europe wide phenomenon.
3.5 The UK Mutual Fund Market
The UK mutual fund market is in many aspects different from the continental
European mutual fund markets. Over the period from 1999 to 2003, the British fund
market experienced a decline in assets under management. The compound annual growth
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rate of -1,7 per cent over that period means that the UK fund market was the second worst
performing one in Europe over that period.
The depressing performance of the UK mutual fund market over that period mainly
originates in the stock markets downturn during those years. As exhibited in figure 3.9,
the mutual fund markets development is highly dependent on the development of the
stock market. In fact, 93 per cent of the decrease in overall UK mutual funds between 2000
and 2002 was driven by equity funds. With an equity exposure of about two-thirds, the
UKs mutual fund market has by far the highest equity exposure of all European countries.
Of the countries investigated, Italy had Europes second highest equity exposure in 2003,
amounting to 27,9 per cent of total assets invested in mutual funds. This is still more than
two times smaller than the UKs relative equity stake in its mutual fund market.
Figure 3.9 UK Mutual Funds (retail and non-retail) under Management segmented by Typeof Fund, 1999-2003 in m
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
1999 2000 2001 2002 2003
Other
Unsegmented Off shore Funds
Property
Money Market
Bond
Balanced
Equity
Source: Datamonitor
Another peculiarity about the UK mutual fund market concerns the distribution channels.
While Banks are responsible for the majority of mutual fund assets distributed in
continental Europe, they do not play a role in the UK. Instead, independent intermediaries
distribute about two thirds of the mutual funds in the UK. Direct distribution, private client
distribution and sales force tied agents share the rest of the UK mutual fund market.
Distribution in the retail segment, which accounts for roughly one-half of the
overall British mutual fund market, is very fragmented. The market leader Fidelity
Investment has a stake of only 8 per cent of the fund market, while the majority of the
funds are distributed by providers having less than 3 per cent market share. Hence, the UK
market is the most fragmented of all markets under investigation.
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4 Data
Within the framework of this study, two different datasets are used and combined. They
are both generously provided by Dr. Rogr Otten.The first dataset is supplied by Lipper and contains monthly observations of equity
mutual fund returns from January 1992 to March 2006. Included are equity mutual funds
listed in France, Germany, Italy, Spain and the UK. The dataset is free form survivorship-
bias because it not only contains live equity mutual funds but also those that were
previously merged or liquidated. Funds with less than twelve months of data are not
contained in the sample and returns are inclusive of distributions and net of fees. Returns
for each fund in the sample are originally displayed in the funds respective reporting
currency. Since this study attempts to take the view of a European investor, all returns are
converted into Euro. This is done by application of the interest rate parity. Furthermore,
discrete returns are converted into lognormal returns by utilization of the formula
Ln return = Ln (discrete return +1).
The second dataset consists of annual observations of cross sectional data on live
equity mutual funds listed in France, Germany, Italy, Spain and the UK. Unlike the first
dataset, observations in the different countries in the second dataset refer to different
periods of time. While the dataset displays observations of 40 fund characteristics from
1991 to 2005 for France and Italy, it only contains a limited number of years for Germany
(1995 to 2005) Spain (1995 to 2005) and the UK (1996 to 2005). For the purpose of this
study, the characteristic closing net asset value is most important. It is stated in absolute
monetary terms and builds the basis for portfolio formation later on. However, this process
will be described in detail in the next chapter.
Since this study attempts to investigate the effect of fund size as measured by the
net asset value of a fund on performance, the two before mentioned datasets are combined.
For the matching procedure, funds are first matched on the basis of their names, then on
the basis of their ISIN numbers. The resulting merged dataset is the one used in this study.
However, the merged dataset is not free of survivorship-bias. Unfortunately, the cross-
sectional dataset only contains data on funds in existence in the year 2005. Most likely,
underperforming funds have been the ones shut down in the past. This is why the merged
dataset is likely to overestimate actual returns. Unless indicated differently, this study
exclusively relies on the matched dataset.
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Table 4.1 exhibits summary statistics of the merged equity mutual fund sample. Most data
is available for funds distributed in Germany. With a total number of 2434 funds it offers a
broad basis for a performance analysis. Unfortunately, the UK fund sample is limited to
merely 1089 funds. This is due to the cross-sectional database containing only 1445 UK
funds. Additionally, merging the UK datasets comes with a second peculiarity. While 22
per cent of the UK funds in the return database invest domestically, this ratio doubles once
the datasets are merged. Hence, 43 per cent of UK funds in the merged sample invest in
domestic stocks. Apart from the total number of funds contained in the dataset, table 4.1
exhibits the average number of funds. It accounts for the fact that not all funds included in
the database exist in every year of the sample period. Especially in the early years of the
sample period the number of funds for which data is available is very low. Fortunately, the
number of UK funds is quite stable throughout the years. Therefore, problems connected to
the low absolute number of funds are somewhat mitigated.
Table 4.1 Summary Statistics
Total Number Average Number Excess Return Std.Dev.
France
All Funds 1815 1046,4 2,91% 20,28%
Global ex Europe 927 546,2 1,35% 21,57%
Europe ex Domestic 673 358,2 4,91% 19,87%
Domestic 215 140,3 4,61% 21,31%
Germany
All Funds 2434 1308,4 3,60% 21,36%Global ex Europe 1495 799,2 2,33% 22,58%
Europe ex Domestic 832 440,1 5,98% 20,56%
Domestic 107 76,2 4,23% 25,25%
Italy
All Funds 1613 823 1,69% 19,64%
Global ex Europe 1023 509,3 0,10% 21,39%
Europe ex Domestic 493 254,3 3,86% 19,23%
Domestic 97 56,2 5,59% 18,95%
Spain
All Funds 1701 877,8 1,94% 20,41%
Global ex Europe 1014 517,6 0,49% 22,89%
Europe ex Domestic 562 293,2 4,01% 19,63%Domestic 125 66,5 4,44% 18,62%
UK
All Funds 1089 698,1 5,56% 20,37%
Global ex Europe 495 320,6 3,97% 22,31%
Europe ex Domestic 129 87 8,34% 20,76%
Domestic 465 290,3 6,57% 19,26% Summary statistics for the merged sample. Sample period is from January 1992 to March 2006.Funds are separated by country of distribution and geographical investment focus. Excess returnsare in excess of the risk-free rate, lognormal, annualized, expressed in Euros, and net of expenses.For each portfolio, returns are calculated as equal-weighted average returns of all funds in aportfolio. Standard deviations are also annualized.
The lognormal net excess returns presented in column three demonstrate large differences
by country and geographical investment focus. They range from 0,1 per cent for Italian
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globally investing stocks to 8,34 per cent for UK funds with a European investment focus.
Throughout all five countries, investments in equity mutual funds with a global investment
focus yielded the lowest excess returns. Risk as measured by the standard deviation of
excess returns ranges from 18,62 per cent for domestic Spanish funds to 25,25 per cent for
domestic German funds. Overall, risk differences across countries and investment focuses
are quite small.
Table 4.2 displays the size of the average fund as well as the size of the median
fund for each year. The relation between the size of the average fund as calculated with the
arithmetic average to the median funds size is the same in all five countries. The median
fund is much smaller throughout all years under investigation. The ratio of average fund
size divided by median fund size varies from 1,6 to 4,9 and indicates that the distribution
of size is skewed. Some very large players seem to drive up the size of the average fund.
When investigating this further, this hypothesis is confirmed. In Germany 2005, the largest
fund (Fidelity European Growth Fund A) is more than 3 times larger than the second
largest fund (Templeton Growth Euro A Acc). Furthermore, the largest fund is more than
13 times larger than the tenth largest fund (Union Uni Europa). The corresponding ratios
in the other continental European countries are of the same size. In the UK these numbers
are considerably smaller, largest divided by second largest yields a ratio of 1,5, while
largest divided by tenth largest yields a ratio of 5,4.
As an example for the extreme skewness, a histogram of the size distribution for
the German market in 2005 is provided in figure 4.1. About 81 per cent of the funds have a
net asset volume of less than 250 million . As depicted in figure 4.2, 58 per cent of the
mentioned 81 per cent are even smaller than 50 million . This means that almost one half
of the funds in the German market 2005 are smaller than 50 million . To put that into
perspective, almost 50 per cent of the funds are more than 319 times smaller than the
largest fund (Fidelity European Growth Fund A) in the sample.
Patterns of size increases and decreases are similar throughout all five countries. The
average and median fund size increases monotonically from 1991 to 2000. The only
exceptions are the UK, where the average and median equity mutual funds net asset
volume already declines from 1999 to 2000 and Italy, where it decreases from 1991 to
1992. From 2000 to 2002, net asset volume of the average and median fund decreases in
France and Spain. After 2002, net assets in these countries continue to increase. In
Germany, Italy and the UK, net assets of the average and median fund decrease one more
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year, from 2000 to 2003. Subsequently, the average and median funds net assets continue
to rise in these three countries.
Table 4.2 Development of the average and median size fund from 1991 to 2005 in m
Year Ave. Size Median Size Ave. Size Median Size Ave. Size Median Size
1991 6,93 3,47 n/a n/a 23,04 4,74
1992 16,03 5,87 n/a n/a 17,16 6,32
1993 40,86 17,89 n/a n/a 50,77 19,41
1994 60,40 29,29 n/a n/a 63,49 28,98
1995 63,36 29,59 61,68 34,86 70,11 34,68
1996 79,07 43,22 94,57 41,39 85,05 46,79
1997 108,69 59,64 133,74 52,03 133,62 77,87
1998 118,56 53,18 163,23 53,46 169,08 78,18
1999 201,15 91,25 228,85 77,28 274,19 105,42
2000 298,32 113,25 299,91 91,84 329,85 129,35
2001 196,90 59,36 207,23 57,92 228,54 84,64
2002 148,46 39,98 149,59 41,70 158,73 52,78
2003 148,63 45,88 143,46 39,40 156,38 50,272004 181,22 52,31 174,75 49,09 188,13 56,88
2005 321,30 84,13 209,32 58,70 225,11 62,74
Year Ave. Size Median Size Ave. Size Median Size
1991 n/a n/a n/a n/a
1992 n/a n/a n/a n/a
1993 n/a n/a n/a n/a
1994 n/a n/a n/a n/a
1995 61,94 36,39 n/a n/a
1996 70,48 43,53 135,26 78,61
1997 102,43 61,05 178,92 65,99
1998 130,23 66,37 193,44 66,611999 171,83 96,10 229,82 85,90
2000 277,78 106,06 218,08 81,49
2001 201,96 62,96 179,45 57,67
2002 107,96 32,36 145,76 47,35
2003 118,02 36,08 125,64 46,12
2004 156,35 44,71 145,32 50,25
2005 277,32 78,73 165,55 49,48
Spain UK
France Germany Italy
Figure 4.1 Size Distribution of German Equity Mutual Funds, 2005 in m (large picture)
410
4820 9 16 3
0
50
100
150
200
250
300350
400
450
< 250 250 - 500 500 - 750 750 - 1000 1000 -
2000
> 2000
Note: The horizontal axis displays the funds size in million. The vertical axis displays the numberof funds that belong to a certain size category as specified by the horizontal axis.
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Figure 4.2 Size Distribution of German Equity Mutual Funds, 2005 in m (small picture)
238
81
29 29 33
0
50
100
150
200
250
< 50 50 - 100 100 - 150 150 - 200 200 - 250
Note: The horizontal axis displays the funds size in million. The vertical axis displays the numberof funds that belong to a certain size category as specified by the horizontal axis.
While the average and median funds size is of comparable size in the continental
European countries, UK funds are different. They used to be much larger than their
continental European counterparts prior to 1999. However, the average and median funds
size in 2005 is considerably smaller in the UK than in the continental European countries.
This means that the size differences over time among UK equity mutual funds are much
less volatile than in the other countries. The reason for this might be that the UK equity
mutual fund market is much more mature and looks back to a much longer history than the
other markets. However, a deeper analysis of this finding is beyond the scope of this study.
Table 4.3 exhibits equity mutual funds geographic investment focuses per country.
Displayed are time-series averages of cross-sectional averages. In the four continental
European countries most equity mutual funds invest with a global focus, while roughly
every seventh fund in these countries invests with a European perspective. These funds are
followed by funds investing in the USA and by those investing in Japan. Between eight
and ten per cent of the funds invest in the USA and between seven and nine per cent of the
fund invest in Japan. In France, Germany and Italy, the domestic market is the fifth most
invested in. This means that in the continental European countries, a relatively small share
of funds is confined to domestic investment. About every 20 th fund offered in these
countries invests in domestic stocks, only. Equity mutual funds investing in the ten most
popular investment regions constitute between 74 per cent (Spain) and 79 per cent (France)
of all funds sold in the respective countries. The remaining funds not listed in table 4.3
mainly invest in regionally very constrained, smaller and thus less liquid markets such as
Korea, Malaysia or Norway.
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Once more, the picture looks different in the UK. Over 40 per cent of the UK funds in the
sample invest in the domestic market. Other investment focuses such as Global, Europe or
Japan are represented in roughly the same proportions as in the continental European
countries. Furthermore, the UK market is more concentrated than the four other markets
under investigation. Equity mutual funds investing in the ten most popular investment
regions account for 97 per cent of all UK funds in the sample. Hence, only a very small
fraction of UK funds invests in investment regions different from the most popular ones.
Table 4.3 Investment Focus: Time-Series Averages of Cross-Sectional AveragesFrance Germany Italy
Global 16,33% Global 22,40% Global 20,09%
Europe 15,68% Europe 15,67% Europe 15,14%
United States of America 9,53% United States of America 9,16% United States of America 8,85%
Japan 8,29% Japan 7,86% Japan 8,35%
France 6,14% Germany 5,72% Italy 6,40%
Eurozone 6,10% Asia (ex-Japan) 4,96% Asia (ex-Japan) 5,10%Asia (ex-Japan) 4,55% Global Emerging Markets 3,87% North America 4,75%
United Kingdom 4,24% North America 3,81% Global Emerging Markets 4,54%
North America 4,15% United Kingdom 3,22% EuroZone 3,51%
Global Emerging Markets 4,05% EuroZone 3,17% Asia Pacific 2,55%
Spain UK
Global 17,91% United Kingdom 43,35%
Europe 13,87% Global 16,56%
United States of America 9,06% Europe exc UK 9,37%
Japan 8,59% Japan 7,34%
EuroZone 5,54% North America 4,58%
Spain 4,37% Far East 4,21%
Asia (ex-Japan) 4,23% United States of America 4,10%
North America 3,71% Europe 3,28%United Kingdom 3,71% Global Emerging Markets 2,53%
Global Emerging Markets 3,26% Asia (ex-Japan) 2,01% Note: This table reports summary statistics for the funds contained in the sample. Reported are time-seriesaverages of cross-sectional averages of the funds regional investment focus. Sample periods differ by countryand are the same as reported in table 4.1.
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5 Methodology
Methodologically, previous studies investigating the effect of fund size on performance
such as Grinblatt and Titman (1989) or Ciccotello and Grant (1996) define fund size as
stationary. However, several disadvantages are connected to this method. First, defining
size as stationary goes along with the implicit assumption that neither the mean nor the
variance of the size distribution change over time. With respect to equity mutual fund size,
this assumption is not realistic. Second, mutual funds should attract more capital than their
peers if they outperform them and vice versa. This means that funds are larger because
they performed better in the past. In their 2002 study, Otten and Bams refer to this effect as
self-induced correlation, meaning that size and risk-adjusted performance are potentially
positively correlated when looking backwards.
This study takes the attempt to circumvent this problem as described in the next
section. Subsequently, the various performance benchmarks will be described and
discussed.
5.1 Benchmarks
In order to estimate risk-adjusted returns for the equity mutual fund sample, this study
relies on the Capital Asset Pricing Model (CAPM) of Sharpe (1964), the three-factormodel of Fama and French (1993) and the four-factor model by Carhart (1997). In order to
construct these models, performance benchmarks are needed. They are an approach to
account for heterogeneity in fund styles. Market proxies are constructed by Dr. Rogr
Otten and obtained from the Worldscope universe of the respective country. All stocks that
are larger than $25 million are considered. Five different market proxies are used in this
study, each reflecting different geographical investment focuses. In a second step, the local
risk-free rate as proxied by the one-month interbank rate is subtracted from the market.
Thus, for each of the following investment focuses a distinct market proxy is employed:
Global, Europe, France, Germany, Italy, Spain and the UK. Since the risk-free rate is
different in each country, 15 different time-serieses of excess market return are obtained.
Apart from the market proxies, factor mimicking portfolios are constructed in order
to account for style specific returns. While some scholars like Fama and French (1993)
attribute these returns not to a specific style but to risk, a comprehensive discussion of the
factors correct interpretation is beyond the scope of this study. All stocks within an
investment region are sorted by size in order to calculate SMB. SMB is the difference
between the returns on a portfolio containing large stocks minus the returns on a portfolio
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containing small stocks. In order to calculate HML, stocks are ranked according to their
book-to-market ratio.HMLis the return differential between a portfolio containing the top
30 per cent of stocks with respect to the book-to-market ratio and the bottom 30 per cent of
stocks with respect to the book-to-market ratio. For the formation of the European MOM
factor, this study follows Rouwenhorst (1998) instead of Carhart (1997) and first ranks
stocks based on their prior 6-month return. MOM is the return differential between a
portfolio containing the top 30 per cent of stocks with respect to the past 6-month return
and a portfolio containing the bottom 30 per cent of stocks with respect to the past 6-month
return. In order to obtain a rolling momentum factor, these portfolios are rebalanced
monthly. Tables 5.1, 5.2 and 5.3 report summary statistics for the various portfolios that
are comprised in the performance benchmarks.
Table 5.1 Summary Statistics for Benchmark Portfolios Domestic Funds
Panel A: France Domestic
Monthly
Factor Excess Std t-stat for
Portfolio Return Dev Mean = 0 Market SMB HML MOM
Market -0,63% 5,78% -0,75 1,00
SMB 0,75% 2,74% 1,90 -0,34 1,00
HML 0,72% 4,11% 1,21 0,38 0,08 1,00
MOM 0,32% 6,97% 0,32 -0,71 0,34 -0,44 1,00
2001/1 - 2004/12
Panel B: Germany Domestic
MonthlyFactor Excess Std t-stat for
Portfolio Return Dev Mean = 0 Market SMB HML MOM
Market -0,02% 6,06% -0,02 1,00
SMB 0,09% 4,26% 0,19 -0,79 1,00
HML 0,99% 6,30% 1,33 -0,12 -0,09 1,00
MOM -0,56% 8,84% -0,54 -0,20 0,24 -0,71 1,00
1999/1 - 2004/12
Panel C: Italy Domestic
Monthly
Factor Excess Std t-stat for
Portfolio Return Dev Mean = 0 Market SMB HML MOM
Market -0,49% 5,51% -0,62 1,00SMB 0,14% 2,30% 0,43 -0,23 1,00
HML 0,62% 3,65% 1,18 -0,24 0,48 1,00
MOM 0,16% 5,64% 0,20 -0,62 0,38 0,36 1,00
2001/1 - 2004/12
Panel D: Spain Domestic
Monthly
Factor Excess Std t-stat for
Portfolio Return Dev Mean = 0 Market SMB HML MOM
Market 0,10% 5,47% 0,12 1,00
SMB 1,07% 3,26% 2,27 -0,65 1,00
HML 0,59% 4,39% 0,93 -0,35 1,00
MOM -0,29% 5,79% -0,35 -0,76 0,68 0,35 1,002001/1 - 2004/12
Cross-Correlations
Cross-Correlations
Cross-Correlations
Cross-Correlations
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Table 5.1 Continued
UK Domestic
Monthly
Factor Excess Std t-stat for
Portfolio Return Dev Mean = 0 Market SMB HML MOM
Market 0,36% 4,69% 0,76 1,00
SMB 0,58% 3,99% 1,43 0,38 1,00HML 0,22% 4,26% 0,51 0,21 0,04 1,00
MOM 0,46% 6,26% 0,72 -0,04 0,27 -0,55 1,00
1999/1 - 2005/12
Cross-Correlations
Summary statistics for loadings of the four fund portfolios sorted on different factorsand separated by country. The market factor is the return on the total universe of thedifferent investment regions according to Worldscope. The excess return iscalculated by subtracting the local one-month interbank rate. SMB is calculated bysubtracting the top 80% of market capitalization from the bottom 20% of marketcapitalization. HML is constructed by subtracting the bottom 30% of book-to-marketration from the top 30%. MOM is calculated by subtracting the prior month bottom30% performing stocks from the top 30% performing stocks. Returns and standard
deviations are stated as monthly. Time periods coincide with the respective timeperiods used in the time-series analysis. Panel (A) through (E) report statisticsreferring to France, Germany, Italy, Spain and the UK, respectively.
Table 5.2 Summary Statistics for Benchmark Portfolios European Funds
France Europe
Monthly
Factor Excess Std t-stat for
Portfolio Return Dev Mean = 0 Market SMB HML MOM
Market 0,73% 4,78% 1,68 1,00
SMB 0,20% 2,15% 1,00 -0,30 1,00
HML 0,52% 3,50% 1,64 -0,09 0,06 1,00
MOM 0,11% 5,23% 0,24 -0,11 0,21 -0,58 1,00
01.1996 - 12.2005 / 120 Observations
Germany Europe
Monthly
Factor Excess Std t-stat for
Portfolio Return Dev Mean = 0 Market SMB HML MOM
Market 0,74% 4,79% 1,69 1,00
SMB 0,20% 2,15% 1,00 -0,30 1,00
HML 0,52% 3,50% 1,64 -0,09 0,06 1,00
MOM 0,11% 5,23% 0,24 -0,11 0,21 -0,58 1,00
01.1996 - 12.2005 / 120 Observations
Italy Europe
MonthlyFactor Excess Std t-stat for
Portfolio Return Dev Mean = 0 Market SMB HML MOM
Market 0,65% 4,76% 1,49 1,00
SMB 0,20% 2,15% 1,00 -0,30 1,00
HML 0,52% 3,50% 1,64 -0,08 0,06 1,00
MOM 0,11% 5,23% 0,24 -0,11 0,21 -0,58 1,00
01.1996 - 12.2005 / 120 Observations
Cross-Correlations
Cross-Correlations
Cross-Correlations
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Table 5.2 Continued
Spain Europe
Monthly
Factor Excess Std t-stat for
Portfolio Return Dev Mean = 0 Market SMB HML MOM
Market 0,57% 4,93% 1,20 1,00
SMB 0,20% 2,15% 1,00 -0,29 1,00HML 0,52% 3,50% 1,64 -0,08 0,06 1,00
MOM 0,11% 5,23% 0,24 -0,11 0,22 -0,57 1,00
01.1997 - 12.2005 / 108 Observations
UK Europe
Monthly
Factor Excess Std t-stat for
Portfolio Return Dev Mean = 0 Market SMB HML MOM
Market 0,25% 4,89% 0,50 1,00
SMB 0,36% 2,10% 1,68 -0,20 1,00
HML 0,66% 3,86% 1,67 -0,07 0,03 1,00
MOM 0,05% 5,78% 0,09 -0,15 0,27 -0,58 1,00
01.1998 - 12.2005 / 98 Observations
Cross-Correlations
Cross-Correlations
Summary statistics for loadings of the four fund portfolios sorted on different factorsand separated by country. The market factor is the return on the total universe of thedifferent investment regions according to Worldscope. The excess return iscalculated by subtracting the local one-month interbank rate. SMB is calculated bysubtracting the top 80% of market capitalization from the bottom 20% of marketcapitalization. HML is constructed by subtracting the bottom 30% of book-to-marketration from the top 30%. MOM is calculated by subtracting the prior month bottom30% performing stocks from the top 30% performing stocks. Returns and standarddeviations are stated as monthly. Time periods coincide with the respective timeperiods used in the time-series analysis. Panel (A) through (E) report statisticsreferring to France, Germany, Italy, Spain and t