Non-existence of Duopoly Equilibria: A Simple Numerical Example

Jean-Marc Bonnisseau (1) , Michael Florig (1)

1 CERMSEM - CEntre de Recherche en Mathématiques, Statistique et Économie Mathématique

We give a simple example to the non-existence of duopoly equilibrium in pure strategies in an economy with two goods and two types of consumers. This extends also the discussion on the incentive for trade in an oligopolistic framework initiated in Cordella and Gabszewicz (1998).

Mots clés: Imperfect competition; Duopoly equilibrium

Domaines: Economies et finances

Jean-Marc Bonnisseau, Michael Florig. Non-existence of Duopoly Equilibria: A Simple Numerical Example. Journal of Economics Zeitschrift füur Nationalökonomie, 2005, 85 (1), pp.65-71. ⟨10.1007/s00712-005-0119-9⟩. ⟨halshs-00265682⟩