In the process of the German unification and especially after the formal unification in October 1990, Eastern Germany was supported by West Germany by a lot of measures. The main purposes were to improve the infrastructure, to stimulate private investment and to alleviate the adjustment process...

Based on a description of the German system of taxes and transfers, the incentives to work are analyzed for several groups of the labor force. The effects of the ?Hartz IV? reform (effective from 2005 onwards) on the incentives receive particular attention. It turns out that the marginal...