When providing public goods through voluntary contributions, a donor may introduce unilateral matching in order to reduce underprovision of the public good and thus inefficiency. By itself, however, matching benefits the donor but harms the recipient. We apply Cornes and Hartley’s aggregative...

The green paradox conveys the idea that climate policies may have unintended side effects when taking into account the reaction of fossil fuel suppliers. In particular, carbon taxes that will be implemented in the future induce resource owners to extract more rapidly which increases present...

La mise en œuvre des politiques en matière de biodiversité se traduit souvent par une répartition inégale des avantages. Par exemple, l’établissement d’un droit de propriété afin de faciliter la gestion d’une ressource liée à la biodiversité peut s’avérer préjudiciable pour...