We offer a new respective to the social efficiency of entry by considering an industry with a quantity setting leader and free entry of followers. We show that whether free entry with a homogeneous product is socially excessive or insufficient depends on the identity of the leader (which is...

In a bilateral oligopoly, Ghosh and Morita (‘Social desirability of free entry: a bilateral oligopoly analysis, 2007, IJIO) show that entry is always socially insufficient if the upstream agents have sufficiently strong bargaining power. We show that this conclusion is very much dependent on...

This paper studies the role of separation of ownership and management in determining the welfare implications of entry in oligopolistic markets. We show, in the presence of managerial incentive schemes with cost asymmetry, that entry is socially insufficient unless scale economies are very...

The literature analysing social efficiency of entry argues that entry is always socially excessive in industries with asymmetric cost firms and no scale economies. We show that exogenous cost asymmetry is responsible for this result. In a simple model with endogenous R&D investment by the more...