Early childhood investment is of major importance in human and social capital theory, but can be a relevant issue even in policy making since there is evidence that an equity-efficiency trade-off does not exist for investments in very young people. Our analysis compares governments’ policies...

We estimate the wage penalty associated with working in the South African informal sector. To this end we use a rich data set on non-self employed males that allows one to accurately distinguish workers employed in the informal sector from those employed in the formal sector and link individuals...

This paper studies the evolution of the full-time/part-time wage differential among Italian women for the period 1993-2004. A generalized Heckman selection model is applied to estimate the wage equations, controlling for endogeneity in the second step. An observed part-time wage penalty is...

We estimate the wage penalty associated with working in the South African informal sector. To this end we use a rich data set on non-self employed males that allows one to accurately distinguish workers employed in the informal sector from those employed in the formal sector and link individuals...