We analyze an overlapping generations model where individuals’ welfare depends on the stock of a free access environmental good E and on the consumption C of a private good. We assume that the production process of the private good depletes the natural resource but that specific investments...

The application in Economics of methods and tools originally thought for other disciplines is not new. In this paper we show how the compartmental approach, typical of Biology, Medicine, Chemistry, etc., can be used as a tool to represent the heterogeneity of the agents and introduce it into the...