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 …

within a region, explicitly taking into account exit, as well as entry, costs. Protecting workers by having strict lay … influence the entry decision? …

generic competitors should lower prices. On the other hand, the threat of AG entry into a therapeutic market might deter entry … of AG entry into a market might deter entry by IGs. IG executives, however, state that the threat of AG entry has … decreased their incentive to challenge ‘marginal’ drug markets. In particular the threat of AG entry has increased from $5m to …