Wage subsidies are often suggested as a particularly effective policy to improve labor market chances of economically disadvantaged groups. We empirically evaluate an employer-side wage subsidy scheme targeted at the long-term unemployed in Germany. Based on program regulations and a large data...

Based on new, exceptionally informative and large German linked employer-employee administrative data, we investigate the question whether the omission of important control variables in matching estimation leads to biased impact estimates of typical active labour market programs for the...