the impacts of 9/11 on canada-u.s. trade steven globerman and paul storer western washington...
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THE IMPACTS OF 9/11 ON CANADA-U.S. TRADE
Steven Globerman
and
Paul Storer
Western Washington University
College of Business and Economics
CUSLI, Cleveland, April 2008
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FOCUS OF PRESENTATIONFOCUS OF PRESENTATION
TO SUMMARIZE AND ASSESS AVAILABLE EVIDENCE BEARING UPON THE IMPACTS OF POST-9/11 BORDERSECURITY DEVELOPMENTS ON BILATERAL TRADE.
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120000
140000
160000
180000
200000
220000
240000
260000
280000
96 97 98 99 00 01 02 03 04 05
Figure 1: Aggregate U.S. Imports from Canada (annualized)
Mill
ions
of
U.S
. D
olla
rsCanadian surface
exports to the United States
(annualized U.S. Dollars)
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Source:Hart, M.A Trading Nation
The lasttime we
built a wall…
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SOURCES OF EVIDENCE
• WAITING TIMES AT BORDER FOR COMMERCIAL CARRIERS
• ESTIMATED COST AND PROFITABILITY IMPACTS OF WAITING
• INDIRECT ESTIMATES OF IMPACTS OF TRADE
Truck Crossings
Surveys
• ECONOMETRIC STUDIES
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WAITING TIMES• Average Waiting Time• Variability in Waiting Times
Both average waiting time and the variability of waiting time appear to have increased immediately after 9/11. It is unclear whether the increases have persisted to the present. Work by Gandhi and Glass translates waiting times into significant trade reductions.
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ESTIMATED COST AND PROFIT IMPACTS
Higher costs for carriers in the post-9/11 period, although estimates are difficult to compare. Lee, Martin, Ouellet and Vailancourt (2005) estimate a 1% reduction in Quebec exports.
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INDIRECT ESTIMATES
Some indirect evidence that post-9/11 security developments adversely affected exports from Canada to the U.S. Canadian exporters are hiring logistics experts.
Magnitude and persistence of the effects are uncertain.
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ECONOMETRIC STUDIES
Globerman and Storer:
Use aggregate trade equations. Identify Canadian export and import “shortfalls” in post-9/11 period. Import shortfalls “disappear” by beginning of 2004. Export shortfalls persist through 2nd quarter of 2005.
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Globerman and Storer:Base Gravity Model Equation
ln(Exports) = β0
+ β1 ln(Yt-1) + β2 PFXt-j + β3 D911
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Estimated Export Shortfalls (per quarter)
Time Period
Percentage Shortfall
Dollar Shortfall
2001 Q3 8.6% $5.2 Billion
2001 Q4 21.4% $10.8 Billion
2002 19.4% $10.3 Billion
2003 25.8% $13.7 Billion
2004 17.5% $10.4 Billion
2005Q1/2 12.2% $11.4 Billion
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Port-Level Time Effects: Center
-0.3
-0.2
-0.1
0.0
0.1
0.2
0.3
2001Q3 2001Q4 2002 2003 2004 2005Q1-2
Detroit
Buffalo/Niagara Falls
Port Huron
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Port-Level Time Effects: East
-0.4
-0.3
-0.2
-0.1
0.0
2001Q3 2001Q4 2002 2003 2004 2005Q1-2
Highgate Springs
Champlain/Rouses Point
AlexandriaBay
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Port-Level Time Effects: West
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
0.1
2001Q3 2001Q4 2002 2003 2004 2005Q1-2
Blaine
Portal
SweetgrassPembina
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Burt:Estimates trade equations at levels of
commodities and ports. He concludes that increased border security following 9/11 had a very limited effect on Canadian exports to U.S. (restricted to one border crossing and to one commodity group, at most).
ECONOMETRIC STUDIESECONOMETRIC STUDIES
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Possible Sources of Differences:
• Level of disaggregation & use of lagged dependent variable
• Nominal versus real values of trade and GDP variables
• Scale variables (national GDP ?)
• Sample period – probably not
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Variable Name 1996Q1 – 2006Q4 1976Q1 – 2006Q4
Without CUSTA Dummy
With CUSTADummy
Log of GDP 1.431(0.105)
1.159(0.028)
0.949(0.043)
Exchange Rate 0.395(0.137)
0.329(0.101)
0.332(0.099)
2001 Q3 -0.129(0.037)
0.021(0.085)
-0.115(0.050)
2001Q4 -0.182(0.036)
-0.063(0.085)
-0.199(0.050)
2002 -0.180(0.023)
-0.046(0.045)
-0.189(0.028)
2003 -0.194(0.025)
-0.046(0.046)
-0.205(0.029)
2004 -0.096(0.030)
0.062(0.044)
-0.119(0.031)
2005 -0.007(0.048)
0.159(0.047)
-0.045(0.040)
2006 -0.012(0.065)
0.163(0.052)
-0.0630.051)
CUSTA Dummy - - -4.95(0.389)
CUSTA*Log(GDP) - - 0.579(0.044)
R-squared 0.983 0.988 0.996
DW 1.05 0.32 0.92
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Overall Conclusions
Various studies seem to identify higher costs of bilateral trade, although magnitude and degree of persistence are unclear. Cost impacts appear to be modest.
Econometric evidence is mixed. If there has been any “lasting” impact, it seems to be for Canadian exports to the United States.
Nevertheless, no cause for complacency. Any further increases in costs may have substantial impacts on bilateral trade.
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