Poverty and Welfare Measurement on the Basis of Prospect Theory

24 Pages Posted: 6 Feb 2014

See all articles by Markus Jäntti

Markus Jäntti

Stockholm University

Ravi Kanbur

Cornell University; Centre for Economic Policy Research (CEPR); IZA Institute of Labor Economics

Milla Nyyssölä

Aalto University

Jukka Pirttila

United Nations - World Institute for Development Economics Research (UNU/WIDER); Tampere University of Technology

Date Written: March 2014

Abstract

This paper examines the measurement of social welfare, poverty, and inequality, taking into account features that have been found to be important welfare determinants in behavioral economics. Most notably, we incorporate reference‐dependence, loss aversion, and diminishing sensitivity - aspects emphasized in Prospect Theory - to social welfare measurement. We suggest a new notion of equivalent income, the income level with which the individual would be as well off, evaluated using a standard concave utility function, as he actually is, evaluated with a reference‐dependent utility function. We examine the differences between standard poverty and inequality measures based on observed income and measures that are calculated based on equivalent income. These differences are illustrated using household‐level panel data from Russia and Vietnam.

Keywords: inequality, poverty, Prospect Theory, welfare measurement

JEL Classification: I32, O12

Suggested Citation

Jäntti, Markus and Kanbur, Ravi and Nyyssola, Milla and Pirttila, Jukka, Poverty and Welfare Measurement on the Basis of Prospect Theory (March 2014). Review of Income and Wealth, Vol. 60, Issue 1, pp. 182-205, 2014. Available at SSRN: https://ssrn.com/abstract=2391547 or http://dx.doi.org/10.1111/roiw.12095

Markus Jäntti

Stockholm University ( email )

Universitetsvägen 10
Stockholm, Stockholm SE-106 91
Sweden

Ravi Kanbur

Cornell University ( email )

301-J Warren Hall
Ithaca, NY 14853
United States
607-255-7966 (Phone)
607-255-9984 (Fax)

HOME PAGE: http://www.kanbur.dyson.cornell.edu

Centre for Economic Policy Research (CEPR)

London
United Kingdom

IZA Institute of Labor Economics

P.O. Box 7240
Bonn, D-53072
Germany

Milla Nyyssola

Aalto University ( email )

P.O. Box 21210
Helsinki, 00101
Finland

Jukka Pirttila (Contact Author)

United Nations - World Institute for Development Economics Research (UNU/WIDER) ( email )

Katajanokanlaituri 6B
Helsinki, FIN-00160
Finland

Tampere University of Technology ( email )

P.O. 541, Korkeakoulunkatu 8 (Festia building)
Tampere, FI-33101
Finland

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