differ in their productivities. Wages are dispersed because of search frictions and workers' productivity differentials. The … productivity differentials, frictional wage dispersion and workers' sorting dynamics. I calibrate the model using a sample of young …' productivity differentials. Differences in firms' productivities are also an important source of wage inequality for both skill …

We examine the effect of pregnancy and parenthood on the research productivity of academic economists. Combining the … find that motherhood is associated with low research productivity. Nor do we find a statistically significant unconditional … effect of a first child on research productivity. Conditional difference-in-differences estimates, however, suggest that the …

productivity depends on their age through the build-up of labour market experience and the depreciation of human capital. We make … wisdom following an increase in longevity, depending on the corresponding change in the age-productivity profile …