5Alesina A, Di Tella R, MacCuUoch R. Inequality and happiness: Are Europeans and Americans different? [J]. Journal of Publie Economies, 2004,88 (9- 10): 2009- 2042.
6Blanchflower,Oswald. Well-being over time in Britian and the USA[R]. NBER working paper No. 7487,2000.
7Easterlin R A. Income and happiness: Towards a unified theory[J]. Economic Journal, 2001,111 (473) : 465-484.
8Ferrer-i-Carbinell. Income and well-being: An empirical analysis of the comparison income effect[J]. Journal of Public Economics, 2005,89, 997-1019.
9Frijters P, Shields M, Haisken-DeNew J. Money does matter! Evidence from increasing real incomes in East Germany following reunification[J]. American Economic Review, 2004,94 (3) :730-741.
10Frey and Stutzer. Happiness, economy and institutions[J]. Economic Journal, 2004, 110(10) : 918-938.