The clear definition of property rights is not a sufficient condition to prevent congestion effects in commons. In this paper we present how interesting can be the coordination among owners in the preservation of the common good. Our approach takes into account economic dynamics and incentive...

We consider a model of regulation for nonpoint source water pollution where farmersare heterogenous along two dimensions, their ability to transform inputs into finalproduction and the productive land they possess. Regulation takes place through nonlinear taxation/subsidization of agricultural...