We propose a methodology for estimating the competition effects from entry when firms sell differentiated products. We … first derive precise conditions under which Bresnahan and Reiss' entry threshold ratios (ETRs) can be used to test for the … presence and to measure the magnitude of competition effects. We then show how to augment the traditional entry model with a …

-returns-to-scale technologies. When providers adopt a not-for-profit mission, the absence of a residual claimant can impede entry, pro- tecting the … core costs can have a non-neutral effect on entry, technology adoption, and industry performance. …

determination of the number of producers and products over the business cycle. Economic expansions induce higher entry rates by … prospective entrants subject to irreversible investment costs. The sluggish response of the number of producers (due to sunk entry … decisions, producer entry, and the allocation of labor across sectors. The model performs at least as well as the benchmark real …

entry and product variety in a sticky-price model with monopolistic competition in which price stability would be optimal in … the absence of entry. Specifically, a long-run positive (negative) rate of inflation is optimal when the benefit of …

effect on broadband penetration, compared to those areas where the loops are not unbundled. LLU entry instead has a strongly …

In industries with network effects, incumbents’ installed bases create barriers to entry that discourage entrepreneurs … from developing new innovations. Yet, entry is not the only commercialization route for entrepreneurs. We show that the … necessarily restrict innovation incentives. We also show that network effects promote acquisitions over entry and that the …

procurement, may hinder entry by new firms in public procurement markets. In this paper we report results from a laboratory … experiment exploring the relationship between reputation and entry in procurement. We implement a repeated procurement game with … reputational incentives for quality and the possibility of entry. We allow also the entrant to start off with a positive …