Overview
Sherwin Rosen (1938–2001) was an economist at the University of Chicago and one of the leading figures in labor economics of the twentieth century. His work spans human capital theory, the economics of superstars, hedonic pricing, and the theory of equalizing differences. He served as President of the American Economic Association (1994) and was awarded the IZA Prize in Labor Economics posthumously. He died in 2001 before he could receive what many expected would be a Nobel Prize.
Key Contributions / Features
- Willis and Rosen (1979) — Education and Self-Selection: Co-authored with Robert J. Willis the foundational application of Roy's (1951) comparative advantage model to educational choice. Showed that people select into college based on comparative advantage across two earnings distributions (w1,w0), not on absolute ability, and that college-goers are negatively selected on the no-college counterfactual. This is the intellectual predecessor of the Marginal Treatment Effect framework. See Returns to Schooling, Essential Heterogeneity.
- The Economics of Superstars (1981, AER): Demonstrated why small differences in talent can generate large differences in pay when technology allows a single performer to serve a large market at near-zero marginal cost. The model explains the concentration of earnings at the top of talent distributions (sports, entertainment, law, finance). The "superstar" framework is foundational for understanding top-end wage inequality.
- Hedonic Pricing and Equalizing Differences: Extended the theory of compensating wage differentials to a full hedonic equilibrium model. Workers choose jobs with varying risk/amenity profiles; firms choose different safety levels. In equilibrium, the implicit price of risk can be recovered from wage-attribute gradients — the basis for the Value of Statistical Life (VSL) literature.
- Theory of Human Capital with Comparative Advantage: Beyond Willis-Rosen, contributed to understanding how comparative advantage shapes occupational choice, skill formation, and the distribution of earnings across occupations.
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