Yashiv, Eran - Centre for Economic Performance, LSE - 2004
unobserved skilldistributions. The main findings are that there are two dimensions to self-selection: in terms ofobserved skills … skilled workers, leading to negative self-selection. In terms ofunobservable skills, self-selection is found to be positive … rather than negative. The latter findingentails substantial increases in mean wages and reduction in wage inequality …