We compare the advantages of targeting either the growing sector or the shrinking sector in an economy where migration occurs too slowly, and the government has only second-best policy instruments. If the government is able to make commitments, we show (in a special case) that it should target...

We use a North-South model with property right differences and resource dynamics to study the effects of trade on resource use and welfare. Autarky is likely to Pareto-dominate free trade in the long run when the environment is quite fragile, and the result is reversed when the environment is...