In the Land of AKM: Explaining the Dynamics of Wage Inequality in France

Damien Babet, Olivier Godechot () and Marco Guido Palladino
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Damien Babet: INSEE - Institut national de la statistique et des études économiques (INSEE)
Olivier Godechot: CRIS - Centre de recherche sur les inégalités sociales (Sciences Po, CNRS) - Sciences Po - Sciences Po - CNRS - Centre National de la Recherche Scientifique
Marco Guido Palladino: Banque de France

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Abstract: We use a newly constructed and quasi-exhaustive matched employer-employee database to study the contribution of firms to wage inequality in France. We implement a simple and tractable correction for the limited mobility bias. Our analysis, covering the period 2002-2019, reveals an increase in between-firm inequality, mainly due to the growing clustering of workers with similar market value. These phenomena are associated with increasing occupational specialization at the firm level. Our results highlight the importance of bias-corrected AKM estimates in capturing the dynamics of wage inequality, and show how both observable job types and unobservable individual characteristics contribute to these patterns.

Date: 2025-11-25
Note: View the original document on HAL open archive server: https://sciencespo.hal.science/hal-05543806v1
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Published in Journal of Labor Economics, 2025, ⟨10.1086/740187⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-05543806

DOI: 10.1086/740187

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