In this paper, two results are presented. Both refer to the impossibility theorem of Polemarchakis (1983). The Slutsky matrix of intratemporal and intertemporal substitution effects, associated with the individual short-run demand functions, is not arbitrary, but symmetric, if expectations are...

Ce travail fait suite au rapport intitulé « Appels d'offres et enchères ouvertes : Enjeux de design et propositions » rédigé par Y. Richelle, J. Robert et R. Gérin-Lajoie qui, d'une part, met en évidence les problèmes liés à l'utilisation des procédures actuelles et, d'autre part,...

Ce rapport présente une analyse approfondie des procédures utilisées par le Gouvernement du Québec pour réaliser des appels de soumissions et des appels de services. On y trouvera une proposition visant à modifier de manière substantielle la méthode d'évaluation des offres de services...

We extend Kamlen and Tauman's (1986) analysis of the value of a patent by allowing the inventor to use licencing contracts that specify a fixed fee plus a royalty.

"We extend Kamien and Tauman's (1986) analysis of the value of a patent. We find that an inventor can always design a fixed fee plus royalty contract such that his revenue is equal to the profit a monopoly endowed with the innovation could make on the market. This implies that the social value...

This paper examines whether exit favours maximal or minimal differentiation within an infinite horizon supergame with discounting played by three firms. With more than two firms, the problem of which firm exits the market is similar to a coalition formation one. Solving this coalition formation...