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Heterogeneity and Aggregation: Implications for Labor-Market Fluctuations

Resource type
Authors/contributors
Title
Heterogeneity and Aggregation: Implications for Labor-Market Fluctuations
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)
Publication
American Economic Review
Volume
97
Issue
5
Pages
1939-1956
Date
2007-12
Citation
Chang, Y., & Kim, S.-B. (2007). Heterogeneity and Aggregation: Implications for Labor-Market Fluctuations. American Economic Review, 97, 1939–1956.
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