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Supplier Substitutability and the Impacts of the 1980 U.S. Grain Embargo

Published online by Cambridge University Press:  28 April 2015

Philip C. Abbott ,
Philip L. Paarlberg  and
Paul M. Patterson
Philip C. Abbott
Affiliation:
Department of Agricultural Economics, Purdue University
Philip L. Paarlberg
Affiliation:
Department of Agricultural Economics, Purdue University
Paul M. Patterson
Affiliation:
Department of Agricultural Economics, Purdue University
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Abstract

The 1980 U.S. suspension of grain sales to the Soviet Union illustrates the importance of the choice of conceptual framework for empirical analysis of international trade problems. A spatial equilibrium model of wheat and coarse grains trade assumes perfect substitution among exporting nations' commoditites by importers and, thus, precludes the embargo from having a large impact. The imperfect substitutability assumption of an Armington model results in larger consequences from the embargo. For small shocks, the Armington model better captures the rigidities characteristic of international grain markets. The spatial model provides insights on adjustments to large shocks, but rigidities persist in actual markets.

Keywords

grain embargospatial equilibriumdifferentiated productsArmington modelsSoviet Union
Type
Submitted Articles
Information
Journal of Agricultural and Applied Economics , Volume 20 , Issue 2 , December 1988 , pp. 1 - 14
Copyright
Copyright © Southern Agricultural Economics Association 1988

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