Constrained vs unconstrained labor supply: the economics of dual job holding

This paper develops a unified model of dual and unitary job holding based on a Stone-Geary utility function. The model incorporates both constrained and unconstrained labor supply. Panel data methods are adapted to accommodate unobserved heterogeneity and multinomial selection into six mutually excl...

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Bibliographic Details
Published in:Journal of population economics 2018-10, Vol.31 (4), p.1279-1319
Main Authors: Choe, Chung, Oaxaca, Ronald L., Renna, Francesco
Format: Article
Language:English
Subjects:
Demography
Economic models
Economics
Economics and Finance
Elasticity
Heterogeneity
Income
Labor
Labor Economics
Labor supply
Mathematical models
ORIGINAL PAPER
Panel data
Population Economics
Regression analysis
Social Policy
Stone
Utility functions
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Summary:This paper develops a unified model of dual and unitary job holding based on a Stone-Geary utility function. The model incorporates both constrained and unconstrained labor supply. Panel data methods are adapted to accommodate unobserved heterogeneity and multinomial selection into six mutually exclusive labor supply regimes. We estimate the wage and income elasticities arising from selection and unobserved heterogeneity as well as from the Stone-Geary Slutsky equations. The labor supply model is estimated with data from the British Household Panel Survey 1991–2008. Among dual job holders, our study finds that the Stone-Geary income and wage elasticities are much larger for labor supply to the second job compared with the main job. When the effects of selection and unobserved heterogeneity are taken account of, the magnitudes of these elasticities on the second job tend to be significantly reduced.
ISSN:0933-1433
1432-1475
DOI:10.1007/s00148-017-0678-4