This paper discusses unilateral sustainability policies for tradable resources in closed and open economies. The effects of sustainability policies are modeled in an intertemporal, competitive framework by applying different sustainability rules which are introduced unilaterally in the domestic...

We analyze a non-cooperative two-country game where each government decides whether to allow free market entry of firms or to regulate market access. We show that a Pareto-efficient allocation may result in equilibrium. In particular, if the cost difference between home and foreign production is...