This paper characterises the domestic tax systems which yield Pareto-efficient outcomes for a two-country world economy in which each country uses distortionary taxes. Such outcomes are compared with the Nash equilibria of the world economy when each country uses its domestic tax system to...

We develop a theoretical model of foreign aid to analyse a method of disbursement of aid which induces the recipient government to follow a more pro-poor policy than it otherwise would do. In our two-period model, aid is given in the second period and the volume of it depends on the level of...