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Heterogeneity and Aggregation: Implications for Labor-Market Fluctuations*

* This paper has been replicated

Author

Listed:
  • Yongsung Chang
  • Sun-Bin Kim

Abstract

We demonstrate that aggregate employment and consumption can increase without a corresponding movement in productivity in a model with heterogeneous agents where the only aggregate disturbance is a productivity shock. The interaction between incomplete capital markets and indivisible labor results in a low employment-productivity correlation and creates a time-varying wedge between the marginal rate of substitution (for commodity consumption and hours) and productivity. Our results caution against viewing the measured wedge as an inefficiency due to a failure of labor-market clearing or as a fundamental driving force behind business cycles. (JEL D31, E32, J22, J24, J31)

Suggested Citation

  • Yongsung Chang & Sun-Bin Kim, 2007. "Heterogeneity and Aggregation: Implications for Labor-Market Fluctuations," American Economic Review, American Economic Association, vol. 97(5), pages 1939-1956, December.
    • Handle: RePEc:aea:aecrev:v:97:y:2007:i:5:p:1939-1956
    Note: DOI: 10.1257/aer.97.5.1939
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    Replication

    This item has been replicated by:
  • Shuhei Takahashi, 2014. "Heterogeneity and Aggregation: Implications for Labor-Market Fluctuations: Comment," American Economic Review, American Economic Association, vol. 104(4), pages 1446-1460, April.

    • More about this item

    JEL classification:

    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • 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
    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials

    Lists

    This item is featured on the following reading lists, Wikipedia, or ReplicationWiki pages:
    1. Recursive Macroeconomic Theory

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