The East-West gap in the German population is believed to originate from migrants escaping the socialist regime in the German Democratic Republic (GDR). We use newly collected regional data and the combination of a regression discontinuity design in space with a difference-in-differences...

This paper has four goals: First, the use of cash as a possible driving factor of the shadow economy is investigated. Second, the use of cash in crime, here especially in corruption, is also econometrically investigated. The influence is somewhat larger than on the shadow economy, but it is...