1. For preliminary thoughts, see Cass R. Sunstein, Willingness to Pay vs. Welfare;Harv Journal of Law and Public Policy,2007
2. Developments in the Measurement of Subjective Well-Being;Daniel Kahneman;J Econ Persp,2006
3. International Differences in Well-Being
4. Developments in the Measurement of Subjective WellBeing;See Daniel Kahneman;J Econ Persp,2006