Does the Gini index represent people's views on inequality?

Ga\"elle Aymeric and Brice Magdalou

Papers from arXiv.org

Abstract: This paper presents findings from a web-experiment on a representative sample of the French population. It examines the acceptability of the Pigou-Dalton principle of transfers, which posits that transferring income from an individual to a relatively poorer one, reduces overall inequality. While up to 60% of respondents reject standard transfers, the three alternative transfers we test receive more approval, especially those promoting solidarity among lower-income recipients. The study then models respondents' preferences with two types of social welfare functions, utilitarian and Extended Gini. The Extended Gini model aligns better with individual preferences. Nevertheless, Extended Gini-type social welfare functions that adhere to the principle of transfers (including the one underlying the Gini index) poorly capture preferences of each individual. However, quite surprisingly, the preferences of the median individual align almost perfectly with the Gini-based function, using either parametric or non-parametric estimates.

Date: 2024-11
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http://arxiv.org/pdf/2411.08601 Latest version (application/pdf)

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Working Paper: Does the Gini index represent people's views on inequality? (2024)
Working Paper: Does the Gini index represent people's views on inequality? (2024)
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