Ce rapport analyse des projections de l’agriculture dans le Sud-Ouest des États-Unis, l’une des zones agricoles les plus arides et productives au monde, sujette à une aggravation future des risques liés à l’eau, due aux changements climatiques et une croissance économique et...

The transport satellite accounts (TSA) show the total transport expenditure in Belgium in 2000. The TSA are a complement to the information in the national accounts for transport activities, which are only partially described in this general framework. Transport generates externalities that are...

This study explores spatial regimes variation and the impact of public sector wa ter pricing for municipality aggregate residential water demand including electricity price effe cts. I compare estimations from two cross-sections (1988.1 and 1993.1) on a French lattice samp le, and propose a...

This paper discusses the economic referentials which underlie public intervention. First part presents our institutional approach. This one goes away from works based on rules as constraints or contracts between individualities. Our approach is based on rules as relations between actors which...

The issue of the accessibility to drinking water in large Sub-Saharian African Metropolis reveals the emergence of new conventions and new perceptions related to this resource. The current context shows an increasing number of actors. Since the 90’s, new norms are required to guide...

One main environmental issue in wine growing is the non point source pollution of underground water by excessive use of pesticides. The aim of our paper is to present the diversity of voluntary environmental approaches (VEA) .We explain this diversity by the different values that suppose the...

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...