Dubovik, Andrei; Janssen, Maarten C.W. - Tinbergen Instituut - 2008
oligopolistic market where firms compete in price and quality and where consumers are heterogeneous in knowledge: some consumers … know both the prices and quality of the products offered, some know only the prices and some know neither. We show that two … types of signalling equilibria are possible. Both are characterised by dispersion and Pareto-inefficiency of the price/quality …