The Case of Cooperative Mixed Duopoly

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چکیده

The paper focuses on markets in which firms with different ownership structures compete with each other in a one-period Nash-Cournot setting. In particular the market outcome of a duopoly of one marketing cooperative and one private wholesaler (cooperative mixed duopoly) is compared to the outcomes of a public firm mixed duopoly and a pure private duopoly. None of these market arrangements are found to produce the first-best efficient outcome. However, both mixed markets improve efficiency compared to the private solution, and the overall welfare effects of the public firm mixed duopoly are superior to the cooperative mixed market. Finally, the distribution of surplus between the different producer groups and the different wholesaler firms is discussed. This paper was written while I was a Visiting Scholar at the Universi ty of Berkeley. I am grateful to Professor Trond Petersen for invit ing me, to the Institute of Industrial Relations for providing excellent office facilities and to The Norwegian National Research Council NAVF for necessary funding. I would also like to thank Professor Keeler and the students of the class "Industrial Organization and Public Regulation" for comments. Erling Barth, Steinar Vagstad and Jan-Erik Askildsen have contributed with valuable comments on an earlier draft. Remaining errors and short-comings are however mine.

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تاریخ انتشار 2003