The situation regarding the loss of biodiversity and ecosystem services is now critical. Consequently, environmental targets have been determined and environmental legislations at every level tend to be more demanding. The result at local scale is that land planners have to take more rigorous...

[eng] To assess how a public decision can affect citizens’ interests, we need to estimate individual preferences. Economists usually assess individual preference through a market decision. Most often, however, public decisions have an impact on non-market goods. Without a market to refer to,...

[fre] Du point de vue du décideur public, une politique de lutte contre la pollution atmosphérique se justifie si les bénéfices engendrés sont supérieurs aux coûts. La plupart des études évalue les bénéfices d'une amélioration de la qualité de l'air en termes de coûts sanitaires...

We investigate experimentally whether higher trust leads to increased performance by relying on simple trust games. Our results show that trust and performance are positively related but not as strong as suggested in the investment game. As a side result, we observe that the rewards of the...

We investigate experimentally whether higher trust leads to increased performance by relying on simple trust games. Our results show that trust and performance are positively related but not as strongly as suggested in the investment game. As a side result, we observe that the rewards of the...

This paper reviews the different methods that have been used for measuring health costs. Since the cost of illness method captures only the "social cost" (medical expenses and loss of income), we recommend that it be used in conjunction with contingent valuation because the latter yields the...

[paper in French] Recent surveys report the increasing number of muddy flows and point out the fact that agricultural practices (among others) play an important role in their occurrence. We propose to use an ambient tax/subsidy instrument to induce farmers to adopt better practices. The...

[eng] Health benefits induced by environmental quality: are private costs negligible?. . For a complete estimation of morbidity effects associated with environmental damages, the paper pleads in favour of the use of two methods: the cost of illness method (COI) and the contingent valuation...