The paper presents a multi-agent model simulating a two-level public decision game in which politicians, voters and interest groups interact. The objective is to model the political market for influence at the domestic level and at the international level, and to assess how new consultation...

The French water law of 1992 requires that regulations on water use and water management be negotiated collectively and locally in each river sub-basin. Decision-makers therefore need new tools to guide the negotiation process which will take place between water users. A formal computable...

Dans le processus de réattribution des compétences d’aménagement de l’espace et de gestion de l’environnement au sein des intercommunalités, les gestionnaires des territoires sont souvent confrontés à la question de l’organisation des instances de concertation. Cet article propose...

[paper in French] Territorialized agri-environmental measures (MAEt) were introduced in France for the 2007-2013 Common Agricultural Policy program, in order to improve the cost-effectiveness of agri-environmental policies. This paper assesses qualitatively the innovations of MAEt with special...

The purpose of this paper is to explore whether international income transfers can improve or worsen the global level of biodiversity and global social welfare by changing the relative contributions to biodiversity protection and to agricultural production. Because of the public good nature of...

Using a choice experiment, this paper shows that the introduction of a conditional collective bonus in an agri-environmental scheme (AES) can improve farmers’ participation and increase land enrolment for lower overall budgetary costs. This monetary bonus is paid per hectare of enrolled land...

[paper in French]The CAP reform is an opportunity to improve the design of existing agri-environmental schemes. Understanding the design attributes affecting farmers’ choices when they adopt an agri-environmental contract can help to identify ways of increasing their participation. The aim of...

Competition in a multi-unit auction is measured both by the number of bidders and by the relative size of their demands, compared to the number of units on sale. For the same degree of competition (identical aggregate demand and supply), we can observe different demand structures. Do they have...

La réforme de la PAC offre l’opportunité de proposer des pistes d’amélioration des mesures agroenvironnementales (MAE). L’analyse des facteurs de choix d’une MAE par les agriculteurs peut mettre en évidence les leviers mobilisables pour augmenter leur participation à ce dispositif....