[paper in French] Based on the INRA/CGSP report, we question the ecological and economic performance of conventional agriculture. “Double performance” is rejected for some agricultural practices or not proved for others. Economic literature shows that innovation is triggered by environmental...

We develop an overlapping generations model within which the evolution of pollution and the formation of environmental concern are endogenous. On the one hand, people heterogeneously concerned with environmental issues contribute to pollution which is a public bad. On the other hand, the...