In a Cournot-oligopoly with free but costly entry and business stealing, output per firm is too low and the number of … distortions occurring in oligopoly. Specifically, excessive entry is aggravated and the welfare loss due to market power rises. …

CSR as an entry deterrent. Both results indicate that CSR may increase market concentration. Third, we consider …

This paper develops a model of successive oligopolies with endogenous market entry, allowing for varying degrees of … product differentiation and entry costs in both markets. Our analysis shows that the downstream conditions dominate the …

We examine the effects of overlapping ownership in a Cournot oligopoly with free entry. If firms develop overlapping … ownership only after entering, then an increase in the degree of overlapping ownership spurs entry but causes price to increase … and total surplus to fall. Also, entry is never insufficient by more than one firm as in the case without overlapping …

oligopoly theory. According to this theorem, a greater number of profit‐maximizing firms enter a free‐entry oligopolistic market …This study is a theoretical examination of whether employee‐controlled firms (ECFs) enter a free‐entry oligopolistic … market excessively or insufficiently, from the viewpoint of welfare maximization. The excess entry theorem is well known in …

profits is a crucial driving force for firms to do CSR. Under free entry of low-productivity non-CSR firms, more high …-productivity firms doing CSR, or CSR firms increasing the weight of CSR will inhibits entry and benefit society. There is an excess entry …

This paper develops a model of successive oligopolies with endogenous market entry, allowing for varying degrees of … product differentiation and entry costs in both markets. Our analysis shows that the downstream conditions dominate the …

. That includes mergers that are known to be unprofitable in the corresponding static equilibrium framework. …

Taxation under oligopoly is analysed in a general equilibrium setting where the firms are large relative to the size of …