Implementing Efficient Market Structure∗
نویسندگان
چکیده
This article studies the design of optimal mechanisms to regulate entry in natural oligopoly markets, assuming the regulator is unable to control the behavior of firms once they are in the market. We adapt the Clarke–Groves mechanism, characterize the optimal mechanism that maximizes the weighted sum of expected social surplus and expected tax revenue, and show that thesemechanisms generally avoid budget deficits and prevent excessive entry. JEL classifications: D43, D44, D45, H20, L13.
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