URL des Documents de travail : http://ces.univ-paris1.fr/cesdp/CESFramDP2010.htmDocuments de travail du Centre d'Economie de la Sorbonne 2010.16 - ISSN : 1955-611XEnvironmental economics is now a long standing field of research ; much has been learned on how environmental policy can use incentives to drive individual behaviors. Among the many examples, preference elicitation is the most discussed case in which incentives fail to accurately implement efficient behavior. Using this as our motivating example, herein we explore the cross-fertilization between environmental economics and social psychology. We first review how the lessons drawn from social psychology helped address the hypothetical bias issue. We then turn to the future of this p...