The Marginal Utility of Income

Richard Layard, Guy Mayraz () and Stephen Nickell

No 50, SOEPpapers on Multidisciplinary Panel Data Research from DIW Berlin, The German Socio-Economic Panel (SOEP)

Abstract: In normative public economics it is crucial to know how fast the marginal utility of income declines as income increases. One needs this parameter for cost-benefit analysis, for optimal taxation and for the (Atkinson) measurement of inequality. We estimate this parameter using four large cross-sectional surveys of subjective happiness and two panel surveys. Altogether, the data cover over 50 countries and time periods between 1972 and 2005. In each of the six very different surveys, using a number of assumptions, we are able to estimate the elasticity of marginal utility with respect to income. We obtain very similar results from each survey. The highest (absolute) value is 1.34 and the lowest is 1.19, with a combined estimate of 1.26. The results are also very similar for subgroups in the population. We also examine whether these estimates (which are based directly on the scale of reported happiness) could be biased upwards if true utility is convex with respect to reported happiness. We find some evidence of such bias, but it is small-yielding a new estimated elasticity of 1.24 for the combined sample.

Keywords: Marginal utility; income; life satisfaction; happiness; public economic; welfare; inequality; optimal taxation; reference-dependent preferences (search for similar items in EconPapers)
JEL-codes: D1 D61 H0 H21 I31 (search for similar items in EconPapers)
Pages: 25 p.
Date: 2007
New Economics Papers: this item is included in nep-hap, nep-ltv, nep-pub and nep-upt
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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Related works:
Journal Article: The marginal utility of income (2008)
Working Paper: The Marginal Utility of Income (2007)
Working Paper: The marginal utility of income (2007)
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Persistent link: https://EconPapers.repec.org/RePEc:diw:diwsop:diw_sp50

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