Compte tenu de l'information incomplète dont on dispose quant aux pratiques culturales des exploitants agricoles, il n'est pas toujours optimal de baser les politiques de lutte contre la pollution d'origine agricole exclusivement sur un mode de taxation. Symétriquement, un système...

Economic analysis of the determinants of the demand for education has been developed first in terms of human capital theory, and thereafter in terms of competing theories : radicalism, filter, signal, job competition. Developed in the seventies, these approaches remain dominant today, even...

The current international regime that regulates maritime oil transport calls for financial contributions by oil firms once an oil spill has occurred. Their percentage contribution to the International Oil Pollution Compensation Fund depends only on their level of activity. In this paper, we show...

This paper investigates the pass-through of an excise tax imposed on a monopoly firm with constant marginal cost. The optimal price increases as tax increases for any demand function. Tax pass-through is globally under or in excess of 100% according as the direct demand function is log-concave...

Recently, Fischer [1996] and Posen [1998] demonstrated empirically that countries with less independent central banks enjoy lower output losses during disinflationary cycles. Since independence is presume to provide a credibility bonus to the monetary policy, this conclusion looks surprising. To...

This paper surveys the notion of common knowledge taken from game theory and computer science. It studies and illustrates more generally the effects of interactive knowledge in economic and social problems. First of all, common knowledge is shown to be a central concept and often a necessary...

The paper studies Akerlof's market for lemons in a new way. We firstly construct mixed Perfect Bayesian Nash equilibria in which all qualities are sold on the market even if the seller's strategy set is reduced to prices. Then we turn to the best-reply matching (BRM) approach developed by...

This paper provides non-parametric estimates of the relation between nutrient intake and age for Czechoslovak individuals, as a function of characteristics of both the individual and the household she lives in, on the basis of household purchases. Results show no significant difference between...

the purpose of this paper is to present leadership as an important mechanism underlying the coordination and the cohesion of communities of practice. More precisely, it will be shown that an important factor conditioning the coordination and the cohesion of a community rests on the leaders’...