We define a two-variant model of product differentiation which, depending on the number of consumersprefering one variant to the other, provides equilibrium prices reflecting the natural valuation of thesevariants by the market....

In this paper we address the issue of finding efficient partial equilibria in markets with nonconvexities.This is a problem that has intrigued generation of economists. Beside its theoreticalimportance this issue is fundamental in energy markets which do not give the right price signalsand...

The inception of the Emission Trading System in Europe (EU-ETS) has made power price moreexpensive. This affects the competitiveness of electricity intensive industrial consumers and mayforce them to leave Europe. Taking up of a proposal of the industrial sector, we explore thepossible...