borderline case. Finally, we apply our setting to trade theory and uncover several new properties hindered by the CES, such as …

mass of varieties. We impose intuitive conditions on this function to guarantee the existence and uniqueness of a free-entry …

either varieties gets more and more differentiated or when the entry cost goes further and further down. …

the higher toughness of the market, the entry of big firms leads them to sell more through a market expansion effect … oligopolistic firms because the procompetitive effect associated with the entry of a big firm dominates the resulting decrease in …

effect. Firms' profits increase (decrease) with the entry of local competitors when the former (latter) dominates. Downtown …

governing the organization of economic space. Other standard lines of research in location theory are also discussed while …

incumbents but acts as a strong deterrent against entry. Product variety is determined by the degree of spatial contestability of … entry deterring effect of discriminatory pricing is dominant whatever the degree of spatial contestability or the nature of …, the more effective is discriminatory pricing at limiting entry and the more likely is it that mill pricing is socially …