1. Aigner, D. and G. Cain (1977), ‘Statistical Theories of Discrimination in the Labor Market’, Industrial and Labor Relations Review, 30 (January), 175–87.
2. Albrecht, J. (1981), ‘A Procedure for Testing the Signaling Hypothesis’, Journal of Public Economics, 15 (February), 123–32.
3. Altonji, J.G. and C.R. Pierret (1997), ‘Employer Learning and Statistical Discrimination’, unpublished paper, Northwestern University (May).
4. Altonji, J.G. and J. Spletzer (1991), ‘Worker Characteristics, Job Characteristics, and the Receipt of On-the-Job Training’, Industrial and Labor Relations Review, vol. 45(1) (October), 58–79.
5. Bartel, A.P. and N. Sicherman (1993), ‘Technological Change and On-The-Job Training of Young Workers’, Columbia University (July), unpublished paper.