The economic effects of environmental taxes depend on the market structure. Under imperfect competition with free entry and exit, environmental taxes have an impact on economies of scale by changing the number and size of firms. Whether economies of scale rise or fall in a particular industry...

The fast growing EU market for investment funds is still characterised by a continuing relevance of national borders. This papers assesses this market?s degree of integration, the potential benefits from more integration and the obstacles to cross-border sales of funds. The analysis shows that...

This paper studies the aggregate substitution and expansion effects triggered by changes in input prices, in a context where firms supply a homogenous commodity and compete in quantities à la Cournot. We derive a sufficient condition for the existence of a Cournot equilibrium and show that this...