Does Happiness Adapt? A Longitudinal Study of Disability with Implications for Economists and Judges Andrew J. Oswald University of Warwick Email:
[email protected] Nattavudh Powdthavee University of London Email:
[email protected] December 23, 2007 Forthcoming in the Journal of Public Economics Abstract This paper is an empirical study of partial hedonic adaptation. It provides longitudinal evidence that people who become disabled go on to exhibit considerable recovery in mental well-being. In fixed-effects equations we estimate the degree of hedonic adaptation at -- depending on the severity of the disability -- approximately 30% to 50%. Our calculations should be viewed as illustrative; more research, on other data sets, is needed. Nevertheless, we discuss potential implications of our results for economists and the courts. Keywords: Disability; adaptation; happiness; legal compensation; well-being; GHQ JEL codes: D1, I3, I31, K0 Corresponding author:
[email protected]. Address: Department of Economics, University of Warwick, Coventry CV4 7AL. Telephone: (+44) 02476 523510 Acknowledgements: For many helpful comments, we thank the editor Emmanuel Saez and two referees. We are grateful also to participants in seminars at Amsterdam, Birmingham, Cambridge, Cardiff, Harvard, LSE, Sheffield, and Warwick, and to Ian Walker, Andrew Clark, Paul Dolan, Dick Easterlin, Daniel Gilbert, Amanda Goodall, Carol Graham, Mark Harrison, Emanuel Kohlscheen, Erzo Luttmer, Jennifer Reinganum, Jennifer Smith, Mark Stewart, Alois Stutzer, and Bernard Van Praag. The Economic and Social Research Council (ESRC) provided research support. The usual disclaimer applies. The British Household Panel Survey data were made available through the UK Data Archive. The data were originally collected by the ESRC Research Centre on Micro-social Change at the University of Essex, now incorporated within the Institute for Social and Economic Research.