The MRC National Survey of Health and Development provides data on the hourly pay of males and females at age 26 in 1972 and in 1977. These have been subjected to regression analysis to see how far the gap between men's and women's pay is statistically explicable by (a) a "human capital" model...

We show how size-contingent laws can be used to identify the equilibrium and welfare effects of labor regulation. Our framework incorporates such regulations into the Lucas (1978) model and applies this to France where many labor laws start to bind on firms with exactly 50 or more employees....