Equality of opportunity is usually defined as a situation where the effect of circumstances on outcome is nullified (compensation principle) and effort is rewarded (reward principle). We propose a new version of the reward principle based on the idea that effort deserves reward for it is costly....

This paper analyzes long-term trends in intergenerational earnings persistence in France for male cohorts born between 1931 and 1975. This time period has witnessed important changes in the French labor market and educational system, in particular an important compression of earnings...

We propose an original model of human capital investments after leaving school in which individuals differ in their initial human capital obtained at school, their rate of return, their costs of human capital investments and their terminal values of human capital at a fixed date in the future....