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. …

competitor. We show that this mechanism is welfare improving but it generates inefficient entry. That is a more efficient …

be expected to have a positive impact on productivity, thereby making entry (or contestability of markets) desirable …. Traditional research in the context of entry has explored the strategic reactions of incumbent firms when threatened by the … possibility of entry. However, following De Soto (1989), there has been increasing emphasis on regulatory and institutional …

discontinuous due to entry being costly. Moreover, permitting price discrimination fosters entry which in many cases improves … welfare. Nevertheless, entry can also reduce welfare because it may lead to a severe inefficiency in production. …

This article deals with the issue of entry into an industry where firms share a collective reputation. First, we show … that free entry is not socially optimal; there is a need for regulation through the imposition of a minimum quality … wisdom, a minimum quality standard should not always be considered as a barrier to entry. …

different structural changes between countries to separate the respective effects. Our results show that the effect of entry … lead to misleading conclusions. We find no robust evidence that entry has a price-decreasing effect on markets with … originally 2 operators. However, the entry of a 4th operator does have a price-decreasing effect, but with different dynamics …

endogeneity of market entry decisions. Using a detailed monthly firm-level panel data for all inspection firms in Sweden, we find …

-product firms. Aggregate product variety is determined by product variety choices of multi-product firms and entry/exit decisions of …

We study the effect of entry on the price distribution in the German retail gasoline market. Exploiting more than 700 … entries over five years in an event study design, we find that entry causes a persistent first-order stochastic shift in the … to 12% of stations' gross margins. Consumers with easy access to information on prices gain the most from entry. The …