Dossche, Maarten; Heylen, Freddy; Poel, Dirk Van den - Nationale Bank van België/Banque national de Belqique (BNB) - 2006
introduction of a kinked (concave) demand curve in general equilibrium macro models. We find that the price elasticity of demand is … than is currently imposed. Moreover, for a significant fraction of products we observe a convex demand curve. We find no …