Does inflation worsen income inequality? A meta-analysis

Andreas Sintos

Economic Systems, 2023, vol. 47, issue 4

Abstract: Despite extensive econometric evidence, the research literature has been unable to draw firm conclusions regarding the effect of inflation on income inequality. In this paper, we apply meta-regression methods to a novel data set of 1767 estimates reported in 124 published studies that investigate the effect of inflation on income inequality. We distinguish between estimates that examine the effect of inflation on levels of income inequality and those that examine the effect of inflation on differences of income inequality. For level estimates, not controlling for moderator variables points to mild publication bias in favor of positive estimates (i.e., the current literature favors publishing studies that find that inflation increases income inequality), but publication selectivity does not hold once we control for a set of moderator variables. For difference estimates, mild publication bias in favor of negative estimates is found only once we control for moderator variables. In addition, our results suggest that inflation has a (small-to-moderate) inequality increasing effect for both level and difference estimates. Furthermore, we show that several factors influence reported estimates, including researcher choices concerning the measurement of inflation and inequality, the characteristics of data and estimation methods, and controlling for other components of inequality.

Keywords: Bayesian model averaging; Income inequality; Inflation; Meta-analysis; Publication bias (search for similar items in EconPapers)
JEL-codes: C83 D31 E31 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecosys:v:47:y:2023:i:4:s0939362523000857

DOI: 10.1016/j.ecosys.2023.101146

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