Summary In this paper the direction of the long-run migration incentive in the presence of closed borders and the long-run welfare effects of a regime change from “autarky” to “free permanent migration” are studied. A difference in birth-country specific fertility rates is treated as the...

Summary It is frequently observed that the implementation of green policies is delayed compared to the initial announcement. Considering a setting with a representative monopolist extracting a nonrenewable resource, we demonstrate that announcing a green policy, but then delaying its...