Despite the prevalence of government surveillance systems around the world, causal evidence on their social and economic consequences is lacking. Using county-level variation in the number of Stasi informers within Socialist East Germany during the 1980s and accounting for potential endogeneity,...

This paper studies the impact of immigration on public policy setting. We exploit the sudden arrival of eight million forced migrants in West Germany after WWII. These migrants were poorer than the local population but had full voting rights and were eligible for social welfare. We show that...