Papers and Proceedings of the Hundred and Fifth Annual Meeting of the American Economic Association || Occupational Change and the Demand for Skill, 1940-1990
Kevin M. Murphy and Finis WelchVolume:
83
Language:
english
Journal:
The American Economic Review
DOI:
10.2307/2117651
Date:
May, 1993
File:
PDF, 186 KB
english, 1993