We address the long standing question of whether production factors are paid their marginalproducts. We propose a new approach that circumvents the need to specify productionfunctions and to compare marginal products to factor payments. Our approach is based on asimple equation that directly...

We use a new and exceptionally rich administrative data set for Germany to evaluate theemployment effects of a variety of public sponsored training programs in the early 2000s.Building on the work of Sianesi (2003, 2004), we employ propensity score matching methodsin a dynamic, multiple...