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This paper models the role of the labor market in the transmission and acquisition of skills and knowledge, based on the hypothesis that indivduals learn from their working experiences. The problem is cast in terms of an implicit market for learning opportunities that is dual to the market for jobs. Optimum choices in this setting have implications for the evolution of earnings and occupational patterns over the workers' lifetimes and provide the basis for a theory of occupational mobility. Several implications of the model, including those for occupational discrimination against minorities, are also discussed.
Sherwin Rosen (Sat,) studied this question.