1. Absolute Income, Relative Income, and Happiness;Richard Ball;Social Indicators Research,2008
2. Central and Eastern Europeans Migrants' Subjective Quality of Life: A Comparative Study;Sergiu B?l??tescu;Journal of Identity and Migration Studies,2007
3. Banii n-aduc fericirea? Influen?a venitului asupra bun?st?rii subiective �n Rom�nia postdecembrist? (Money doesn't buy happiness? The influence of income on subjective well-being in post-communist Romania);Sergiu B?l??tescu;in Cultur?, Dezvoltare, Identitate: Perspective Actuale,2007
4. Why are People so Unhappy? Why do They Strive so Hard for Money? Competing Explanations of the Broken Promises of Economic Growth
5. Economic migration and happiness: comparing immigrants' and natives' happiness gains from income;David Bartram;Social Indicators Research,2011