Who?s Getting Globalized? The Size and Implications of Intra-national Trade Costs

Dave Donaldson and David Atkin

No 10759, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: How large are the intra-national trade costs that separate consumers in remote locations of developing countries from global markets? What do those barriers imply for the intra-national incidence of the gains from falling international trade barriers? We develop a new methodology for answering these questions and apply it to newly collected CPI micro-data from Ethiopia and Nigeria (as well as to the US). In order to overcome three well-known challenges that arise when using price gaps to estimate trade costs, we: (i) work exclusively with a sample of goods that are identified at the barcode-level (to mitigate bias due to unobserved quality differences over space); (ii) collect novel data on the origin location of each product in our sample (to focus only on the pairs of locations that actually identify trade costs); and (iii) use estimates of cost pass-through to correct for mark-ups that potentially vary over space (to extract trade costs from price variation in an environment with potentially oligopolistic intermediaries). Without these corrections, we find that our estimates of the cost of distance would be biased downwards by a factor of approximately four. Our preferred estimates imply that the effect of log distance on trade costs within Ethiopia or Nigeria is four to five times larger than in the US. We also use our pass-through estimates to calculate the incidence of surplus increases due to falling world prices. We find that intermediaries capture the majority of the surplus, and that their share is even higher in distant locations, suggesting that remote consumers see only a small part of the gains from falling international trade barriers.

JEL-codes: F1 F6 O1 R4 (search for similar items in EconPapers)
Date: 2015-08
New Economics Papers: this item is included in nep-ger and nep-int
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (113)

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