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Working Paper
Comparative Advantage and Moonlighting
The proportion of multiple jobholders (moonlighters) is negatively correlated with productivity (wages) in cross-sectional and time series data, but positively correlated with education. We develop a model of the labor market to understand these seemingly contradictory facts. An income e?ect explains the negative correlation with productivity while a comparative advantage of skilled workers explains the positive correlation with education. We provide empirical evidence of the comparative advantage in CPS data. We calibrate the model to 1994 data on multiple jobholdings, and assess its ability ...
Overemployed Workers? Trends on Multiple Jobholders
After tumbling during the pandemic, the share of employed people holding more than one job has recovered to its pre-pandemic level.
Compensation Patterns of Overemployed Workers
An analysis showed U.S. workers with multiple jobs had on average slightly higher annual earnings but lower hourly pay than workers with a single job.
Working Paper
Comparative Advantage and Moonlighting
We document three facts: (i) Higher educated workers are more likely to moonlight; (ii) conditional on education, workers with higher wages are less likely to moonlight; and (iii) the prevalence of moonlighting is declining over time for all education groups. We develop an equilibrium model of the labor market to explain these patterns. A dominating income effect explains the negative correlation of moonlighting with productivity in the cross section and the downward trend over time. A higher part-to-full time pay differential for skilled workers (a comparative advantage) explains the ...