Much of the theoretical literature on environmental instrument reflects a normative presumption that only "economic" instruments, such as effluent taxes or tradable quotas, can produce an efficient outcome. Other potential alternatives, such as non-tradable quotas or more general Pigovian taxes...

This essay examines the relationship between property rights and environmental protection. According to the 'tragedy of the commons' model, environmental pollution and resource depletion result from the inadequate specification of property rights on environmental goods. Two solutions are...