We show that accumulation and growth can be fed by negative externalities. We modify a growth model a la Solow-Ramsey, in which the labor\leisure choice has been included, in three ways: i) the welfare of agents also depends on a common; ii) the latter is deteriorated by the production of the...

In this paper, the expansion of private production erodes the quality of commonly owned goods, thereby forcing individuals to rely increasingly on private goods to satisfy their needs. In the face of this deterioration, households keep their labour supplies and saving rates relatively high in...