clauses limit the incentives to face-to-face competition and determine segmentation and monopoly pricing even when entry of … new competitors occurs. The development of wholesale trade, instead, may induce generalized entry and retail competition …

different segment of the market and sets the monopoly price, i.e. market segmentation. Antitrust ceilings do not prevent such an …

a new class of trade models: the New New Trade Theory which accounts for firm heterogeneity and market entry costs. The …

meets entrants that enter one of the markets. We find that entry can enhance the total R&D expenditure of the incumbent firm …. That is, entry can stimulate R&D effort. Moreover, the incumbent's profit nonmonotonically changes as the number of … entrants increases. Depending on the fixed entry costs and R&D technologies, both insufficient and excess entry can appear. …

We use a dynamic oligopoly model of entry and exit to evaluate how entry regulations affect profitability and market … stores in Sweden, we find that the average entry costs for small and large stores are 10 and 18 percent lower, respectively …, in markets with liberal compared with restrictive regulations. Counterfactual simulations show that lower entry costs in …

We use a dynamic oligopoly model of entry and exit with store-type differentiation to evaluate how entry regulations … demand, recover variable profits, and estimate entry costs and fixed costs by store type. Counterfactual policy experiments … show that welfare increases when competition is enhanced by lower entry costs. Protecting small stores by imposing …

This paper estimates a dynamic, structural model of entry and exit in an oligopolistic industry and uses it to quantify …. Entry costs faced by potential entrants, fixed costs faced by incumbent producers, and the toughness of short-run price … the dentist industry allow the entry cost to differ for geographic markets that were designated as Health Professional …