This article tests the Protection for Sale (PFS) model using detailed data from U.S. food processing industries from 1978 to 1992 under alternative import demand specifications. All empirical results support the PFS model predictions and previous empirical work qualitatively. Although welfare weights are very sensitive to import demand specification, a surprising result is that we obtain weights between 2.6 and 3.6 for domestic welfare using import slopes or elasticities derived from domestic demand and supply functions. In contrast, results based on import slopes or elasticities from directly specified import demands (including the Armington model) yield the usual, unrealistically large estimates for the domestic welfare weight. We contend that the latter empirical paradox arises mainly because the explanatory variables tend to be extremely large for industries with low import ratios and/or low estimated elasticities or slopes resulting from relatively volatile import prices. The results with derived import parameters point to a much stronger role of campaign contributions within the PFS model than previously found. They also suggest that the commonly-used Armington estimates may not be appropriate for estimating the PFS model.
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Paper provided by University of Connecticut, Food Marketing Policy Center in its series Research Reports with number
25195.
Rigoberto A. Lopez & Xenia Matschke, 2005.
"Food Protection for Sale,"
Working papers
2005-13, University of Connecticut, Department of Economics, revised Nov 2005.
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Grossman, Gene M & Helpman, Elhanan, 1994.
"Protection for Sale,"
American Economic Review,
American Economic Association, vol. 84(4), pages 833-50, September.
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Other versions:
Gene M. Grossman & Elhanan Helpman, 1992.
"Protection For Sale,"
NBER Working Papers
4149, National Bureau of Economic Research, Inc.
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