We analyse an infinite-period model of duopolistic competition in a market with consumer switching costs, in which in every period new consumers arrive and a fraction of old consumers leaves. We show that prices (and profits) are higher than in a market without switching costs, and that this...

Consider two sellers each of whom has one unit of an indivisible good and two buyers each of whom is interested in buying one unit. The sellers simultaneously set reserve prices and use second price auctions as rationing device. An equilibrium in pure strategies where each sellers has a regular...

This paper studies how the existence of a potential entrant influences an incumbent’s choice of quality in a model of vertical product differentiation and entry. Both firms face fixed set-up costs and quality-dependent costs of production, and compete on quality and price. With identical...

We introduce a framework that has known models of oligopolistic competition with differentiated products (the circle and the constant elasticity of substitution (CES)) as limit cases. This integrative approach incorporates both localized and global competition, as well as price-sensitive...

This paper analyses the consequences for the standard import allocation models of assuming monopolistic competition on the supply side. Together with relative prices, this requires additional variables to capture product differentiation effects. To this end, we derive a composite price index...