1. Becker G (1981) A treatise on the family. Harvard University Press, Cambridge
2. Bell L, Freeman R (1986) The facts about rising industrial wage dispersion in the U.S. Proceedings of the 39th Annual Meeting of the Industrial Relations Research Association, Madison, WI, pp 331?337
3. Blackburn M (1990) What can explain the increase in earnings inequality among males? Indust Relat 29(3):441?456
4. Blackburn M, Bloom D, Freeman R (1990) The declining economic position of less-skilled American men. In: Burtless G (ed) A future of lousy jobs? The changing structure of U. S. wages. The Brookings Institution, Washington, DC
5. Blackburn M, Neumark D (1991) Omitted-ability bias and the increase in the return to schooling. NBER Working Paper No. 3693