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Comparative Advantage and Moonlighting

Author

Listed:
  • Stéphane AURAY

    (CREST-ENSAI and ULCO)

  • David L. FULLER

    (University of Wisconsin-Oshkosh)

  • Guillaume VANDENBROUCKE

    (Research Division, Federal Reserve Bank of St. Louis, P.O. Box 442, St. Louis, MO 63166, USA)

Abstract
The prevalence of multiple job holders in the U.S. data is trending down since the mid 1990s, and cross-sectional data reveal two seemingly contradictory patterns regarding multiple job holders: (i) conditional on education the most productive workers are the least likely to hold multiple jobs; (ii) the most educated workers are the most likely to hold multiple jobs, even though they are the most productive. We develop an equilibrium model of the labor market to understand these facts. A dominating income effect explains both the negative correlation with productivity and the downward trend overtime, while a higher part-to-fulltime pay differential for skilled workers (a comparative advantage) explains the positive correlation with education. We provide empirical evidence of the comparative advantage using CPS data. We calibrate the model to 1994 and assess its ability to reproduce the 2017 data. There are three exogenous driving forces: productivity, number of children and the proportion of skilled workers. The model accounts for 64.1% of the moonlighting trend for college-educated workers, and 96.7% for high school-educated workers.

Suggested Citation

  • Stéphane AURAY & David L. FULLER & Guillaume VANDENBROUCKE, 2020. "Comparative Advantage and Moonlighting," Working Papers 2020-07, Center for Research in Economics and Statistics.
    • Handle: RePEc:crs:wpaper:2020-07
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    References listed on IDEAS

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    Cited by:

    1. Etienne Lalé, 2019. "Search and Multiple Jobholding," Upjohn Working Papers 19-305, W.E. Upjohn Institute for Employment Research.
    2. Getahun, Tigabu D. & Fetene, Gebeyehu M. & Baumüller, Heike & Kubik, Zaneta, 2024. "Gender gaps in wages and nonmonetary benefits: Evidence from Ethiopia’s manufacturing sector," Discussion Papers 344126, University of Bonn, Center for Development Research (ZEF).
    3. Sum Lo Simon Ming, 2023. "Desired work-leisure balance in a partial equilibrium job search model with multiple job holding," IZA Journal of Labor Economics, Sciendo & Forschungsinstitut zur Zukunft der Arbeit GmbH (IZA), vol. 12(1), pages 1-43, December.
    4. Philipp Lentge, 2022. "Second job holding in Germany – a persistent feature?," Working Paper Series in Economics 416, University of Lüneburg, Institute of Economics.

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    More about this item

    Keywords

    Macroeconomics; labor supply; multiple job holders; productivity; full-time job; part-time job; comparative advantage; income effect.;
    All these keywords.

    JEL classification:

    • E1 - Macroeconomics and Monetary Economics - - General Aggregative Models
    • J2 - Labor and Demographic Economics - - Demand and Supply of Labor
    • J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • O4 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity

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