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...

This paper assesses the dynamics of treatment effects arising from variation in the durationof training. We use German administrative data that have the extraordinary feature that theamount of treatment varies continuously from 10 days to 395 days (i.e. 13 months). Thisfeature allows us to...