We reconsider Rosen’s economics of superstars model establishing, in the case of single-type consumers, a constant price-to-quality ratio. Rosen also conjectured that, in the case of multiple-type consumers, the normal course of consumer behavior forces the price-to-quality relationship to be...

We address the questions of the patterns and the efficiency of public intervention in a dynamic game model between public agencies in charge of a non-local externality. We give two examples: pollution spreading between water basins (negative externality), and non-uniform contributions from the...

The debate about whether the arts should be supported or not is far from being recent, and most governments support the arts in one way or the other. The literature considers several arguments in favor of such interventions. Education may seem as an action which could, in the long run, lead to...