Despite several income tax rate reductions in Germany, tax reform measures are proposed by several parties and by specific research groups. The intention is to lower marginal income tax rates substantially and at the same time to reduce or even to abolish tax expenditures. The major proposals...

The gross wage income distributions for different groups of taxpayers in 1998 are used to derive wage income distributions for 2001–2006. By applying alternative rules of taxation, revenues according to different tax rate structures are deduced. Introducing new tax rates in 2004 resp. in 2005...