We consider an 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 offers. But, better price/quality combinations are signalled with lower prices in one type and with higher prices in the other type.

competition, imperfect information, oligopoly, price, signalling
Oligopoly and Other Forms of Market Imperfection (jel D43), Search; Learning; Information and Knowledge (jel D83), Oligopoly and Other Imperfect Markets (jel L13), Information and Product Quality; Standardization and Compatibility (jel L15)
Tinbergen Institute
hdl.handle.net/1765/14028
Tinbergen Institute Discussion Paper Series
Discussion paper / Tinbergen Institute
Tinbergen Institute

Dubovik, A, & Janssen, M.C.W. (2008). Oligopolistic Competition in Price and Quality (No. TI 2008-0681/1). Discussion paper / Tinbergen Institute. Tinbergen Institute. Retrieved from http://hdl.handle.net/1765/14028