Consider a differentiated product market in which all consumers are fully informed about match value and price at the time they make their purchasing decision. Initially, consumers become informed about the prices of all products in the market but do not know the match values. Some consumers...

Consider a price-setting duopoly with differentiated goods and heterogeneous consumers. When consumer tastes are identical, all firms choose the same variant in equilibrium and prices are equal to marginal costs. For a more concentrated consumer density, firms provide (weakly) closer substitutes...