This paper investigates the evolution of earnings inequality in urban China from 1989 to2006. After decomposing the variance of log of earnings into transitory and permanent twoparts, we find that both components are important contributors to the total variance ofearnings. We also find that the...

For the first time it has been made possible to merge a German and a Swiss firm-level data set that include detailed information about costs and benefits of apprenticeship training. Previous analyses based only on aggregate data showed that the net costs of training apprentices are substantial...