English, Article, Journal or magazine article edition: Labor Supply Elasticities: Can Micro be Misleading for Macro? Riccardo Fiorito; Giulio Zanella

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Physical Description
  • preprint
Language
  • English

Edition details

Title
  • Labor Supply Elasticities: Can Micro be Misleading for Macro?
Author
  • Riccardo Fiorito
  • Giulio Zanella
Physical Description
  • preprint
Notes
  • In this paper we compare “micro” and “macro” labor supply elasticities in a MaCurdy-type equation. Using PSID data, we obtain the micro elasticity from standard panel techniques, and the macro elasticity from the time series generated by aggregating individuals every year. This procedure relies on the exact aggregation of first-order conditions in a life-cycle model with home production. We find an individual elasticity of about 0.1, a low value in line with mainstream microeconometric studies, and an aggregate elasticity of about 1, a much larger value often assumed in calibration studies. This discrepancy is not due to aggregation bias: it is due to the fact that individual and total hours are different variables, with the extensive margin that empirically dominates. A broader implication of our result is that micro evidence is not always appropriate for calibrating an aggregate model economy
  • RePEc:usi:wpaper:547
  • In this paper we compare, in a fully consistent manner, micro and macro labor supply elasticities. The individual elasticity is obtained from the Panel Study of Income Dynamics (PSID). The aggregate, time-series, elasticity is estimated from the aggregation of individual units in the PSID for each year. We rely on exact aggregation of first-order conditions in a lifecycle labor supply model with home production. We find an individual elasticity of approximately 0.1, a low value that is in accordance with standard micro estimates. At the same time, we find an aggregate elasticity near 1. This result derives from a pure aggregation effect, with most of the difference due to the extensive margin. An implication of our result is that micro evidence is not always a reliable guide for calibrating aggregate macroeconomic parameters.
  • elasticity of labor supply, aggregation, calibration
  • RePEc:itt:wpaper:wp2008-4
Language
  • English
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