Abstract

http://ssrn.com/abstract=839965
 
 

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Vertical Specialization and the Border Effect Puzzle


Kei-Mu Yi


Federal Reserve Bank of Philadelphia

October 2005

FRB Philadelphia Working Paper No. 05-24

Abstract:     
A large body of empirical research finds that a pair of regions within a country tends to trade 10 to 20 times as much as an otherwise identical pair of regions across countries. In the context of the standard trade models, the large "border effect" is problematic, because it is consistent only with high elasticities of substitution between goods and/or high unobserved national border barriers. The author proposes a resolution to this puzzle based on vertical specialization, which occurs when regions or countries specialize only in particular stages of a good's production sequence. The author develops a Ricardian model of intra-national and international trade, and shows how endogenous vertical specialization magnifies the effects of border barriers such as tariffs. He calibrates the model to match relative wages, trade shares, and vertical specialization for the U.S. and Canada. The model implies a much smaller border barrier and border effect than previous estimates.

Number of Pages in PDF File: 46

Keywords: Border effect, Home bias in consumption, Trade costs, U.S.-Canada trade, Vertical specialization


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Date posted: November 11, 2005  

Suggested Citation

Yi, Kei-Mu, Vertical Specialization and the Border Effect Puzzle (October 2005). FRB Philadelphia Working Paper No. 05-24. Available at SSRN: http://ssrn.com/abstract=839965 or http://dx.doi.org/10.2139/ssrn.839965

Contact Information

Kei-Mu Yi (Contact Author)
Federal Reserve Bank of Philadelphia ( email )
Ten Independence Mall
Philadelphia, PA 19106-1574
United States
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References:  28
Citations:  3

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