Wage differentials between skill groups are larger in the US than in most western European countries. Especially low skilled workers are relatively worse off in the US than elsewhere. A simple demand and supply explanation for this fact would be that relative net supply of low skilled workers in...

We estimate the impact of changes in unearned income on the height and weight of young children in a developing country. As source of variation we use changes in the eligibility criteria for receipt of an unconditional cash transfer in Ecuador. Two years after families lost the transfer, which...

This paper proposes a new approach to identify the wage effects of training. The idea is to narrow down the comparison group by only taking into consideration the workers who wanted to participate in training but did not do so because of some random event. The point estimate of the return to...