De l'usage optimal de divers types de ressources naturelles

A partial equilibrium analysis shows that a pool of natural resources with constant unit costs of extraction has to be exploited in strict increasing cost order. Kemp and Long [1980] have shown that it is not necessarily the case in a general equilibrium framework. In a consumption-leisure trade-off model, we show that the optimal order of exploitation is never strict, and that for a set of model parameters, the resources exploitation paths may be inderteminate although the consumption-leisure paths are perfectly determinated.