Janssen, Maarten C. W.; Moraga-González, José Luis - In: Review of Economic Studies 71 (2004) 4, pp. 1089-1118
We examine an oligopoly model where some consumers engage in costly non-sequential search to discover prices. There are three distinct price-dispersed equilibria characterized by low, moderate and high search intensity. The effects of an increase in the number of firms on search behaviour,...