Aknin, L. B., Dunn, E. W., & Norton, M. I. (2012). Happiness runs in a circular motion: Evidence for a positive feedback loop between prosocial spending and happiness. Journal of Happiness Studies, 13(2), 347-355. doi: 10.1007/s10902-011-9267-5
Becker, J. C., Tausch, N., & Wagner, U. (2011). Emotional consequences of collective action participation differentiating self-directed and outgroup-directed emotions. Personality and Social Psychology Bulletin, 37(12), 1587-1598.
Cosley, B. J., McCoy, S. K., Saslow, L. R., & Epel, E. S. (2010). Is compassion for others stress buffering? Consequences of compassion and social support for physiological reactivity to stress. Journal of Experimental Social Psychology, 46(5), 816-823.
Dambrun, M., & Ricard, M. (2011). Self-centeredness and selflessness: A theory of self-based psychological functioning and its consequences for happiness. Review of general psychology, 15(2), 138-157. doi:10.1037/a0023059
Lu, L., Gilmour, R., Kao, S. F., Weng, T. H., Hu, C. H., Chern, J. G., Huang, S. W. & Shih, J. B. (2001). Two ways to achieve happiness: When the East meets the West. Personality and Individual Differences, 30(7), 1161-1174.
McCullough, M. E., Kimeldorf, M. B., & Cohen, A. D. (2008). An adaptation for altruism: the social causes, social effects, and social evolution of gratitude. Current Directions in Psychological Science, 17(4), 281-285.
Thomas, P. A. (2010). Is it better to give or to receive? Social support and the well-being of older adults. The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 65(3), 351-357.
Van Doorn, E. A., Heerdink, M. W., & Van Kleef, G. A. (2012). Emotion and the construal of social situations: Inferences of cooperation versus competition from expressions of anger, happiness, and disappointment. Cognition & Emotion, 26(3), 442-461.