that entry and exit rates are positively correlated across industries. Our objective is to investigate the effect of sunk … costs and, in particular, market size on entry and exit rates. We analyse a stochastic dynamic model of a monopolistically … show existence and uniqueness of a stationary equilibrium with simultaneous entry and exit: efficient firms survive while …

, this being particularly relevant to de novo entrants as compared to entry by established firms. Current size is also found … differences, past growth matters for survival suggesting a partial adjustment process for firm size in the post entry period …. Finally, new plants are more likely to live longer if they enter growing industries or industries with little entry activity. …

The concept of a barrier to entry has been discussed least since Bain [1956] with important contributions by Spence … dedicated session at the 2004 AEA meeting. Yet, a 'barrier to entry' remains a surprisingly elusive concept, which even … subject fail to resolve the issue, because they insist on analyzing barriers to entry in the context of identical firms in …

We investigate the timing and the valuation of strategic investment aimed at enhancing entry opportunities in related … market segments. As demand is uncertain, entry options should be exercised at the optimal time, trading off the market share … gain against the option to wait until more information is revealed, while anticipating competitors' entry behaviour. When …

We are interested in evaluating the impact of restrictive planning regulation on entry into the UK grocery retail …