I test for welfare-induced migration by comparing AFDC participation in border counties to interior counties in the same state. I assume that migration costs are lower for border county residents. If so, then at a state border with a large cross-border benefit differential, the border counties...

We investigate how lump-sum equalization transfers affect expenditures and taxes in the municipalities of the largest German state North Rhine-Westphalia. In general, those general-purpose transfers cannot be treated as exogenous variables. Thus, for the identification of causal effects, two...