Primal/Dual Positive Math Programming: Illustrated Through an Evaluation of the Impacts of Market Resistance to Genetically Modified Grains

Paul Preckel (), David Harrington and Robert Dubman

American Journal of Agricultural Economics, 2002, vol. 84, issue 3, 679-690

Abstract: The goal of Howitt's positive mathematical programming procedure is to calibrate a mathematical programming model so that it will reproduce a set of base data for the primal variables. This article develops an analogous procedure allowing one to specify the levels of both primal and dual variables. This article also sheds light on a potential ambiguity of Howitt's procedure (with attendant policy evaluation impacts). The procedure is illustrated through application to an equilibrium displacement model focused on evaluating the consequences of the reluctance of U.S. trading partners to accept genetically modified crop products for U.S. production patterns and net farm income. Copyright 2002, Oxford University Press.

Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ajagec:v:84:y:2002:i:3:p:679-690

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