Resource Allocation in Couples. A Collective Model with Prior Information
Working Papers ECARES from ULB -- Universite Libre de Bruxelles
This paper approaches, for the first time, the estimation of a collective household demand system from a Bayesian perspective. Using prior information on equivalence scales, as well as restrictions implied by theory, tight credible intervals are found for resource shares, a measure of the distribution of economic well-being in a household. A modern MCMC sampling method provides a complete picture of the high-dimensional parameter vector's posterior distribution and allows for reliable inference. The share of household earnings generated by a household member is estimated to have a positive effect on her share of household resources in a sample of couples from the US Consumer Expenditure survey. An increase in the earnings share of one percentage point is estimated to result in a shift of between 0:05% and 0:14% of household resources in the same direction, meaning that spouses partially insure one another against such shifts. The estimates imply an expected shift of 0:71% of household resources from the average man to the average woman in the same sample between 2008 and 2012, when men lost jobs at a greater rate than women.
Keywords: collective model; sharing rule; resource shares; demand system; MCMC (search for similar items in EconPapers)
Pages: 20 p.
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