Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

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Tuesday, May 17, 2011

Imperfect Competition between Milk Manufacturers and Retailers in a Midwestern State in the U.S.

Posted by D. Daniel Sokol

Vardges Hovhannisyan and Kyle W. Stiegert (both Wisconsin Ag Economics) explore Imperfect Competition between Milk Manufacturers and Retailers in a Midwestern State in the U.S.

ABSTRACT: This manuscript studies the market conduct of the milk manufacturers and retail chains in a Midwestern state in the U.S. Following the menu approach we employ a random coefficient logit demand model to investigate several possible scenarios on the supply side. Demand estimates are obtained using both cross-sectional and time series variation in data. We also allow annual variation in consumer demographics which helps identify the coefficients of interaction between consumer demographics and product characteristics. To further enhance identification power we allow choice set of milk to vary across markets. The results are most supportive of the conjecture that manufacturers behave competitively letting the retailers be the residual claimants. Later they may collect a part or full rents from the retailers through two-part tariffs.

http://lawprofessors.typepad.com/antitrustprof_blog/2011/05/imperfect-competition-between-milk-manufacturers-and-retailers-in-a-midwestern-state-in-the-us-.html

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