Etro, Federico; Bertoletti, Paolo - Dipartimento di Economia, Università Ca' Foscari Venezia - 2014
We provide a unified approach to imperfect (monopolistic, Bertrand and Cournot) competition equilibria with demand functions derived from symmetric preferences over a large but finite number of goods. The equilibrium markups depend on the Morishima Elasticity of Substitution/Complementarity...