The use of cost-benefit analysis (CBA) is increasingly advocated as a tool for supporting water planning decisions, in particular at the local (site) level. This paper questions whether CBA is relevant for evaluating groundwater management options at the scale of large regional aquifers. It...

We explore the link between cyclical and smooth resource exploitation. We define an impulse control framework which can generate both cyclical solutions and steady state solutions. For the cyclical solution, we establish a link with the discrete-time model by Dawid and Kopel (1997). For the...

Cet article utilise un exemple simple pour passer en revue des concepts de mesure de la biodiversité, avec un effort pour expliciter leurs fondements axiomatiques. L'article offre ensuite un aperçu des concepts développés pour sa protection, et il s'achève sur une discussion de quelques...