Household Responses to Individual Shocks: Disability and Labour Supply

Giovanni Gallipoli () and Laura Turner

CLSSRN working papers from Vancouver School of Economics

Abstract: What are idiosyncratic shocks and how do people respond to them? This paper starts from the observation that idiosyncratic shocks are experienced at the individual level, but responses to shocks can encompass the whole household. Understanding and accurately modeling these responses is essential to the analysis of intra-household allocations, especially labour supply. Using longitudinal data from the Canadian Survey of Labour and Income Dynamics (SLID) we exploit information about disability and health status to develop a life-cycle framework which rationalizes observed responses of household members to idiosyncratic shocks. Two puzzling findings associated to disability onset motivate our work: (1) the almost complete absence of ‘added worker’ effects within households and, (2) the fact that single agents’ labour supply responses to disability shocks are larger and more persistent than those of married agents. We show that a first-pass, basic model of the household has predictions about dynamic labour supply responses which are at odds with these facts; despite such failure, we argue that these facts are consistent with optimal household behaviour when we account for two simple mechanisms: the first mechanism relates to selection into and out of marriage, while the second hinges on insurance transfers taking place within households. We show that these mechanisms arise naturally when we allow for three features: a linkage between human capital accumulation and life-cycle labour supply, endogenous marriage contracts and the possibility of time transfers between partners. We also report evidence that the extended model with endogenous marriage contracts can fit divorce patterns observed in Canadian data, as well as correlations between disability prevalence and marital status, providing an ideal framework to study intra-household risk-sharing with limited commitment.

Keywords: Idiosyncratic Risk; Disability; Household Behaviour; Marriage; Insurance (search for similar items in EconPapers)
JEL-codes: E20 H31 I10 J12 (search for similar items in EconPapers)
Pages: 61 pages
Date: 2009-06-22, Revised 2009-06-22
New Economics Papers: this item is included in nep-hea, nep-ias and nep-mac
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (26)

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Related works:
Working Paper: Household Responses to Individual Shocks: Disability, Labour Supply (2010)
Working Paper: Household Responses to Individual Shocks: Disability and Labor Supply (2009)
Working Paper: Household Responses to Individual Shocks: Disability and Labor Supply (2009)
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