The goal of this paper is to estimate the impact of labor demand on time to the doctorate. Empirical investigation of this relationship in previous research was hampered by the difficulty of measuring labor demand. I construct a measure of labor demand in seven fields in the humanities and social sciences based on the annual number of job listings from 1975 to 2005. My empirical strategy relates variation over time in the number of job listings within a field to the timing of completion using student-level data on all doctorates awarded in these fields by U.S. universities. Estimates indicate that the number of job listings is not correlated with expected time to degree. This finding implies that cyclical variation in labor demand is not responsible for changes in time to degree within fields.

No rights reserved. This work was authored as part of the Contributor's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
2016
MIT Press
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