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Inequality over the Business Cycle: The Role of Distributive Shocks

Aufsätze referiert extern - Web of Science

Marius Clemens, Ulrich Eydam, Maik Heinemann

In: Macroeconomic Dynamics (2022), im Ersch. [online first:2021-11-18]

Abstract

This paper examines how wealth and income inequality dynamics are related to fluctuations in the functional income distribution over the business cycle. In a panel estimation for OECD countries between 1970 and 2016, although inequality is, on average countercyclical and significantly associated with the capital share, one-third of the countries display a pro- or noncyclical relationship. To analyze the observed pattern, we incorporate distributive shocks into an RBC model, where agents are ex ante heterogeneous with respect to wealth and ability. We find that whether wealth and income inequality behave countercyclically or not depends on the elasticity of intertemporal substitution and the persistence of shocks. We match the model to quarterly US data using Bayesian techniques. The parameter estimates point toward a non-monotonic relationship between productivity and inequality fluctuations. On impact, inequality increases in response to TFP shocks but subsequently declines. Furthermore, TFP shocks explain 17% of inequality fluctuations.



JEL-Classification: D31;E25;E32
Keywords: Business cycle, income and wealth inequality, distributive shocks
DOI:
https://doi.org/10.1017/S1365100521000523

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