This paper explores the role of multilateral transfers in achieving strict Pareto improvements in welfare, focusing on identifying conditions under which their use is warranted when carbon prices differ internationally and there are impediments to international trade. Using a general equilibrium...

We argue that compensating losers is more difficult for immigration than for trade and capital movements. While a tax-cum-subsidy mechanism allows the government to turn the gains from trade into a Pareto improvement, the same is not true for the so-called immigration surplus, if the...