We analyze models of product differentiation with perfect price discrimination and free entry. Although perfect price …, one always has excessive entry in free entry equilibrium. Our results apply to a large class of models of product … apply to models of common agency or lobbying with free entry and imply that one has excessive entry into the ranks of …

are able to enter the market at their optimal entry date associated with their chosen capacity. However, competition for …

In this paper, we empirically study how flagship entry in an online marketplace affects consumers, the platform, and … various sellers on the platform. We find flagship entry may benefit consumers by expanding the choice set, by intensifying … price competition within the entry brand, and by improving consumer perception for parts of the platform. In the meantime …

In this paper we consider the entry and exit of firms in a Ramsey model with capital and an endogenous labour supply … curve with optimal firm size. The costs of entry (exit) are quadratic in the flow of new firms. The number of firms becomes … a second state variable and the entry dynamics gives rise to a richer set of dynamics than in the standard case: in …

demand and changes in entry costs on the number of firms in the market. We estimate a dynamic model in which firms make …Our study contributes to the literature on industry and firm dynamics. We focus on the question why the number of firms … production, entry and exit decisions applying the two-step estimator developed by Bajari, Benkard and Levin (2007). A …