Estimating the intergenerational elasticity of expected income with short-run income measures: a generalized error-in-variables model

Pablo A. Mitnik ()
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Pablo A. Mitnik: University of Michigan

Empirical Economics, 2023, vol. 65, issue 6, No 9, 2779-2803

Abstract: Abstract It has recently been argued that the intergenerational income elasticity (IGE) ubiquitously estimated in the economic mobility literature should be replaced by the IGE of expected income. This article advances a generalized error-in-variables model for the estimation of the latter IGE with short-run proxy measures of income and the Poisson pseudo-maximum likelihood estimator of constant elasticities. Empirical analyses with data from the panel study of income dynamics offer clear support for the account of lifecycle and attenuation biases the model provides. Together, the model and the associated empirical evidence supply a methodological justification for the estimation of the IGE of the expectation with proxy income variables that satisfy some conditions. This eliminates the main obstacle for making this IGE the workhorse elasticity of the economic mobility field, which would in turn dissolve the selection bias problem generated by the current expedient of dropping children with zero income from samples in order to make estimation of the conventional IGE possible.

Keywords: Intergenerational economic mobility; Intergenerational elasticity of expected income; IGE; Poisson pseudo-maximum likelihood estimator; Measurement error in nonlinear models; Panel study of income dynamics (PSID) (search for similar items in EconPapers)
JEL-codes: C10 J62 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s00181-023-02442-6

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