Oligopoly in Segmented Markets
AbstractWe propose a new solution concept for a game among oligopolists that simultaneously compete in several segmented markets. The motivation for this solution comes from international trade, but it also has applications in other areas. It is based on a three-stage extension of the two-stage Kreps-Scheinkman game. We show that two-way trade is not an equilibrium outcome and that there exist bounds on possible cross-market priced differentials that are defined by transport costs. Prices are the same when transport costs are zero. In fact, in the limiting case of zero transport costs the equilibrium coincides with a Cournot equilibrium in a single integrated market. In the presence of transport coats there nay exist multiple equilibria.
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Bibliographic InfoPaper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 2665.
Date of creation: Jul 1988
Date of revision:
Publication status: published as Monopolistic Competition and International Trade, MIT Press 1992 G.M. Grossman ed
Note: ITI IFM
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- James Brander, 1980.
"Intra-Industry Trade in Identical Commodities,"
380, Queen's University, Department of Economics.
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