The labor market is introduced into the standard vertical differentiation model, linking increasingly the quality of the product and the effort necessary for workers to produce it. Surprisingly, when two firms compete on the product market but are monopolies on the labor market, at equilibrium...

C72, L24, D23.

This paper suggests a modelling of the labelling procedure consistent with empirical observations, that allows the endogenous calculation of labelling criteria. The authority in charge of the labelling program chooses the level of labelling criteria so as to maximise the social surplus,...

Under the Cross-Licensing system (CL), firms are allowed to trade non cooperatively the results of R&D efforts, and compete in the innovation and production stages. First, the paper proposes a simple modeling of this system. Second, a relevant comparison is made with the Cartelized Research...

We characterize the equilibrium of a game in vertically differentiated market which exhibits network externalities. There are two firms, an incumbent and a potential entrant. Compatibility means in our model that the inherent qualities of the goods are close enough. By choosing its quality, the...