The Costs of and Net Returns to College Major
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Chapter in forthcoming NBER book Productivity in Higher Education, Caroline M. Hoxby and Kevin Stange, editors
This paper uses administrative student and expenditure data from Florida public universities to describe a) how the cost of producing graduates varies by major, b) how the inclusion of majorspecific instructional costs alters the estimated net returns to different fields of study, and c) how major-specific instructional expenditures changed between 1999 and 2013. We find that the cost of producing graduates in the highest cost major (engineering) is roughly double that of producing graduates in low-cost majors, such as business. Cross-major comparisons of per graduate earnings returns net of costs differ from comparisons based on earnings outcomes alone in economically significant ways for a number of fields. Differences between net returns and earnings returns per dollar of instructional spending are even more pronounced. Our analysis of trends in instructional expenditures shows that per credit expenditures for undergraduate classes dropped by 16% in Florida universities between 1999 and 2013. The largest drops occurred in engineering and health, where per credit spending fell by more than 40%. Observed spending changes have little relationship with per credit costs or earnings outcomes.
The Costs of and Net Returns to College Major, Joseph G. Altonji, Seth D. Zimmerman
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