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Joint search over the life cycle

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  • Bacher, Annika
  • Grübener, Philipp
  • Nord, Lukas

Abstract

This paper provides evidence that the added worker effect – labor force entry upon spousal job loss – is stronger for young than old households. Using a life cycle model of two-member households in a frictional labor market, we study whether this age-dependency is driven by heterogeneous needs for or availability of spousal insurance. Our framework endogenizes asset and human capital accumulation, as well as arrival rates of job offers, and is disciplined against U.S. micro data. Counterfactuals show a strong complementarity across both margins: A large added worker effect requires both high spousal earnings potential relative to the primary earner and limited access to other means of self-insurance. Together, both margins account for the observed age differential in the added worker effect. The model predicts substantial crowding out of spousal labor supply responses by unemployment benefit extensions among young households, in line with their stronger insurance motive.

Suggested Citation

  • Bacher, Annika & Grübener, Philipp & Nord, Lukas, 2025. "Joint search over the life cycle," Journal of Monetary Economics, Elsevier, vol. 150(C).
    • Handle: RePEc:eee:moneco:v:150:y:2025:i:c:s0304393224001491
    DOI: 10.1016/j.jmoneco.2024.103696
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    More about this item

    Keywords

    Unemployment; Search; Added worker effect; Life cycle; Family insurance;
    All these keywords.

    JEL classification:

    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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