Migration and Tax Competition within a Union
NBER Working Paper No. 19282
We develop a stylised EU-type model of rich capital-abundant (and productive) countries and poor capital-scarce countries in order to explain a key feature of tax policies and inter- and intra-migration flows. We examine how this model can explain the differences in the tax rates and the generosity of the welfare state, on the one hand, and migration flows, on the other hand, between rich and poor countries, within a union and from the rest of the world. An upward-slopping supply of migrants from outside the union and the relatively low endowment of capital of these migrants gives rise to a fiscal externality.
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