Social Welfare and the Market Power-Efficiency Tradeoff in U.S. Food Processing: A Note

Rigoberto Lopez and Lirón-España Carmen
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Lirón-España Carmen: Department of Telecommunications & Energy of Massachusetts, Boston, Massachusetts, USA

Journal of Agricultural & Food Industrial Organization, 2002, vol. 1, issue 1, 10

Abstract: This article computes the welfare changes from increases in industrial concentration in a sample of 35 U.S. food manufacturing industries, taking into account oligopoly power and efficiency effects. It is estimated that a 1% across-the-board increase in the Herfindahl index would lead to an increase in aggregate social welfare (with increases in 74% of the industries), nearly neutral consumer welfare effects, and increases in producer welfare due to efficiency gains that are not passed on. The results call into question the conventional wisdom that considers welfare losses from market power without considering potential gains in production efficiency.

Date: 2002
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DOI: 10.2202/1542-0485.1007

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