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Earnings and Consumption Dynamics: A Nonlinear Panel Data Framework

Manuel Arellano (), Richard Blundell () and Stephane Bonhomme ()
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Stephane Bonhomme: University of Chicago

No 9344, IZA Discussion Papers from Institute for the Study of Labor (IZA)

Abstract: We develop a new quantile-based panel data framework to study the nature of income persistence and the transmission of income shocks to consumption. Log-earnings are the sum of a general Markovian persistent component and a transitory innovation. The persistence of past shocks to earnings is allowed to vary according to the size and sign of the current shock. Consumption is modeled as an age-dependent nonlinear function of assets and the two earnings components. We establish the nonparametric identification of the nonlinear earnings process and the consumption policy rule. Exploiting the enhanced consumption and asset data in recent waves of the Panel Study of Income Dynamics, we find nonlinear persistence and conditional skewness to be key features of the earnings process. We show that the impact of earnings shocks varies substantially across earnings histories, and that this nonlinearity drives heterogeneous consumption responses. The transmission of shocks is found to vary systematically with assets.

Keywords: quantile regression; panel data; consumption; earnings dynamics; latent variables (search for similar items in EconPapers)
JEL-codes: C23 D31 D91 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-ecm, nep-lab and nep-ltv
Date: 2015-09
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Published in: Econometrica, 2017, 85 (3), 693 - 734

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Related works:
Journal Article: Earnings and Consumption Dynamics: A Nonlinear Panel Data Framework (2017) Downloads
Working Paper: Earnings and Consumption Dynamics: A Nonlinear Panel Data Framework (2016) Downloads
Working Paper: Earnings and Consumption Dynamics: A Nonlinear Panel Data Framework (2016) Downloads
Working Paper: Earnings and Consumption Dynamics: A Nonlinear Panel Data Framework (2015) Downloads
Working Paper: Earnings and consumption dynamics: a nonlinear panel data framework (2015) Downloads
Working Paper: Earnings and consumption dynamics: a nonlinear panel data framework (2015) Downloads
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