In 2007 and 2008 Polish governments introduced a series of reforms which led to a substantial reduction in the tax 'wedge' (in Polish: 'klin') on labour. The mean ATR on total labour cost was reduced from 41.6% to 34.0%. We show that when considered together the package of introduced reforms brought much greater reductions in the tax burden compared to a widely discussed 15% 'flat tax'. In the analysis ...