Can Business and Social Networks Explain the Border Effect Puzzle?

Pierre-Philippe Combes, Miren Lafourcade and Thierry Mayer

No 3750, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: McCallum (1995) shows in an influential contribution that, even when controlling for the impact of bilateral distance and region size, borders sharply reduce trade volumes between countries. We use in this Paper data on bilateral trade flows between 94 French regions, for 10 industries and two years (1978 and 1993) to study the magnitude and variations over time of trade impediments, both distance-related and (administrative) border-related. We focus on assessing the role that business and social networks can play in shaping trade patterns and explaining the border effect puzzle. Using a structural econometric approach, we show that intranational administrative borders significantly affect trade patterns inside France. The impact is of the same order of magnitude as in Wolf (2000) for trade inside the United States. We show that more than 60% of these (puzzling) intranational border effects can be explained by the composition of local labour force in terms of birth place (social networks) and by inter-plants connections (business networks). In addition, controlling for these network effects reduces the impact of transport cost on trade flows by a comparable factor. Thus, business and social networks that help to reduce informational trade barriers are shown to be strong determinants of trade patterns and to explain a large part of the border puzzle.

Keywords: Gravity; Border effects; Networks (search for similar items in EconPapers)
JEL-codes: F12 F15 (search for similar items in EconPapers)
Date: 2003-02
New Economics Papers: this item is included in nep-geo and nep-net
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (32)

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Related works:
Working Paper: Can Business and Social Networks Explain the Border Effect Puzzle? (2004)
Working Paper: Can Business and Social Networks Explain the Border Effect Puzzle? (2003)
Working Paper: Can Business and Social Networks Explain the Border Effect Puzzle? (2003)
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