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American Economic Review: Vol. 89 No. 5 (December 1999)
AER Volume. 89, Issue 5 | 
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Changes in Unemployment and Wage Inequality: An Alternative Theory and Some Evidence
Article Citation
Acemoglu, Daron. 1999. "Changes in Unemployment and Wage Inequality: An Alternative Theory and Some Evidence."
American Economic Review,
89(5): 1259-1278.
DOI: 10.1257/aer.89.5.1259
DOI: 10.1257/aer.89.5.1259
Abstract
I present a model where firms decide what types of jobs to create and then search for suitable workers. When there are few skilled workers and the skilled-unskilled productivity gap is small, firms create a single type of job and recruit all workers. An increase in the proportion of skilled workers or skill-biased technical change can create a qualitative change in the composition of jobs, increasing the demand for skills, wage inequality, and unemployment. I provide some evidence that there has been a change in the composition of jobs in the United States during the past two decades.
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Authors
Acemoglu, Daron (MIT)
JEL Classifications
J64: Unemployment: Models, Duration, Incidence, and Job Search
J31: Wage Level and Structure; Wage Differentials
J23: Labor Demand
J31: Wage Level and Structure; Wage Differentials
J23: Labor Demand
