NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Regional Trading Arrangement: Natural or Super-Natural?

Jeffrey A. Frankel, Ernesto Stein, Shang-Jin Wei

NBER Working Paper No. 5431
Issued in January 1996
NBER Program(s):   IFM   ITI

This paper summarizes recent research by the authors on the effects of free trade areas (FTAs). Within our model, which emphasizes inter-continental transport costs, several conclusions arise. (1) FTAs are likely to be detrimental over a moderate range of parameter values, even if drawn along natural regional lines. (2) A small margin of preferences for neighbors is beneficial. (3) Optimal preferences depend on the parameters, particularly on transport costs. (4) If preferences are raised further, they enter the zone of negative returns to regionalization, and eventually the super-natural zone, where welfare is lower than under the MFN status quo. Estimates from the gravity model suggest the world system may already be in the super-natural zone. The core model leaves out many factors. But we have pursued a variety of extensions by now. Perhaps the two most important are generalizing the highly stylized model of trade (to include factor endowments), and relaxing the assumption that the inter-bloc level of tariffs remains fixed. In the latter case, allowing tariffs to be endogenous yields a much more optimistic outlook for the effects of FTAs.

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Document Object Identifier (DOI): 10.3386/w5431

Published:

  • American Economic Review, Vol. 86, no.2 (May 1996). ,
  • Regional Trading Arrangements, H. Singer, N. Hatti, and R. Tandon, eds., India: BRPC, 2000.

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