The stylized fact that regional concentration is lower in Europe than in the USA has led to the prediction that the creation of the Single Market might increase spatial concentration in Europe. This has raised some fears that the social and political burden of rapid change might counterbalance...

Welfare loss under oligopoly is defined as that part of consumer surplus which is lost and not regained by higher profits. In a model with asymmetric firms, this implies that the total welfare loss consists of the deadweight loss triangle plus a cost side inefficiency effect, due to the fact...

When competition is tough, firms which do not implement the least expensive technology are forced to exit, or the low cost firms are able to increase their market share. Persistent cost or profit differences require some form of restricted entry, specific intangible assets or oligopolistic...