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Paper #1395

Labor market heterogeneity and the aggregate matching function
RÚgis Barnichon i Andrew Figura
Octubre 2010 (Revisió: Setembre 2013)
The matching function -a key building block in models of labor market frictions- implies that the job finding rate depends only on labor market tightness. We estimate such a matching function and find that the relation, although remarkably stable over 1967-2007, broke down spectacularly after 2007. We argue that labor market heterogeneities are not fully captured by the standard matching function, but that a generalized matching function that explicitly takes into account worker heterogeneity and market segmentation is fully consistent with the behavior of the job finding rate. The standard matching function can break down when, as in the Great Recession, the average characteristics of the unemployed change too much, or when dispersion in labor market conditions -the extent to which some labor markets fare worse than others- increases too much.
Paraules clau:
job finding, aggregate, composition, dispersion
Codis JEL:
J6, E24, E32.
Àrea de Recerca:
Macroeconomia i Economia Internacional

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