This paper analyzes the costs and benefits of job rotation as a mechanism through which the firm learns about the employees' productivities and the profitability of different jobs or activities. We compare job rotation to an assignment policy where employees specialize in one job along their...

This paper challenges the traditional view that unemployment is high because insiders determine the union wage. The insiders in this paper are characterized by being more efficient when they search for a job than the outsiders, implying that they experience relatively less unemployment. We...

This article analyzes the determinants of literacy and earnings in Ghana. It links literacy and earnings with a variety of factors, including age, gender, family educational background, distance to school, and income. Literacy and age are negatively correlated, suggesting that efforts at...

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This paper is a review of the role of innovation as substitution threat. The interesting strategy for those facing what in retrospect proves to be full substitution is the strategy of ‘switch’ to the substituting technology. The context-dependent uncertainty involved in the switch decision...