The analysis is about the compulsory German unemployment insurance system (GUIS). It is known that GUIS did nothing to prevent the continuous rise of the rate of unemployment since the 1970s. The empirical literature about GUIS indicates that the few endeavours to increase incentives to work...

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 IVʺ reform (effective from 2005 onwards) on the incentives receive particular attention. It turns out that the marginal...