This paper discusses how an industrialized country could defend the living standard of its unskilled workers against the wage competition from immigrants. It shows that fixing social replacement incomes implies migration into unemployment. Defending wages with replacement incomes brings about first order efficiency losses that approximate the budget cost of the government. By contrast, wage subsidies involve much smaller welfare losses. While the exclusion of migrants from a national wage

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... national wage replacement program does not avoid the distortions in labor migration, the (temporary) exclusion of migrants from a national wage subsidy program makes it possible to reach the first best migration pattern despite the preservation of the welfare state.