In several interesting markets, demand is an increasing function of past sales because of learning, network externalities, or fashion. This paper examines entry into such markets.

We study the effects of a change in some exogenous variable (the fixed cost or a parameter in the payoff functions) on the strategies played in a Symmetric Cournot Equilibrium with Free Entry (SCEFE). We also show that any observation on prices, profits and number of firms is compatible with the...

In this paper we develop a theory of union bargaining power based on firm specific skills acquired by the insider workforce.