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We consider Cournot oligopoly with differentiated product. We develop respective sufficient conditions on the inverse demand and cost function that make the oligopoly a game of strategic substitutes when goods are substitutes and a game of strategic complementarities when goods are complements. The scope of this result is illustrated by examples. JEL classification: C72, L10, L13.
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199-211
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published
2010
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- Warsaw School of Economics , mknauff@sgh.waw.pl
References
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- Dubey P., Haimanko O., Zapechelnyuk A. (2006), Strategic complements and substitutes, and potential games, Games and Economic Behavior, 54(1), 77-94.
- Hoernig S.H. (2003), Existence of equilibrium and comparative statics in differentiated goods Cournot oligopolies; International Journal of Industrial Organization, 21, 989-1019.
- Novshek W. (1985), On the existence of Cournot equilibria, Review of Economic Studies, 52, 85-98.
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- Topkis D. (1978), Minimizing a submodular function on a lattice, Operations Research, 26, 305-321.
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- Vives X. (1999), Oligopoly pricing: old ideas and new tools, The MIT Press, Cambridge, Massachusetts
Document Type
Publication order reference
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YADDA identifier
bwmeta1.element.desklight-022b2615-3ff1-480a-aa5d-c651e903b3ba