Andreoni, J., 1990. Impure altruism and donations to public goods: a theory of warm glow giving. Economic Journal 100 (401), 464–477.

Bénabou, R. and J. Tirole (2006). Incentives and Pro-Social Behavior American Economic Review, 96(5): 1652-1678

Berg Joyce, Dickhaut John and McCabe Kevin (1995). Trust, Reciprocity, and Social History. Games and Economic Behavior Volume 10, Issue 1, July 1995, Pages 122-142

Bohnet, I. and Zeckhauser, R. (2004). Trust, risk and betrayal. Journal of Economic Behavior & Organization Vol. 55 (2004) 467–484

Bolton, G. and A. Ockenfels (2000). A theory of equity, reciprocity and competition American Economic Review,
100, 166-193

Camerer, C., 2003. Behavioral Game Theory: Experiments in Strategic Interaction. Princeton University Press, Princeton.

Charness, G. and Dufwenberg, M. (2006). Promises and Partnership. Econometrica

Charness, G. and Rabin, M. (2002). Understanding Social Preferences with Simple Tests. Quarterly Journal of Economics, Vol. 117, No. 3, Pages 817-869

Croson, R. (1996). Partners and strangers revisited. Economics Letters, Volume 53, Issue 1, October 1996, Pages 25-32

Dana, J., Cain, D.M., and Dawes, R.M. (2006). What you don't know won't hurt me: Costly (but quiet) exit in dictator games Organizational Behavior and Human Decision Processes. 100 (2006) 193-201.

Dohmen, T. , Armin Falk, David Huffman and Uwe Sunde (2009). Homo Reciprocans: Survey Evidence on Behavioral Outcomes, Economic Journal, Vol. 119, March 2009, 592-612

Dufwenberg, M., Kirchsteiger, G., (2004). A theory of sequential reciprocity. Games and Economic Behavior 47,
268–298.

Engelmann, D. and Strobel, M. (2004). Inequality Aversion, Efficiency, and Maximin Preferences in Simple Distribution Experiments. American Economic Review, 200, 94 (4), 857-869

Falk, A. (2007). Gift-Exchange in the Field, Econometrica, 2007, Vol. 75 Issue 5, 1501-1511

Falk, A., Fehr, E. and Fischbacher, U. (2003). On the Nature of Fair Behavior, Economic Inquiry, 41(1) (2003), 20-26

Falk, A., Fehr, E. and Fischbacher, U. (2005). Driving Forces Behind Informal Sanctions, Econometrica, 2005, 7 (6), 2017-2030

Falk, A., and U. Fischbacher (2005) A Theory of Reciprocity Games and Economic Behavior

Falk, A., and Kosfeld, M. (2006). The Hidden Cost of Control, American Economic Review, 2006, 96 (5), 1611-1630

Fehr, E., and Gächter, S. (2000). Cooperation and Punishment in Public Goods Experiments. The American Economic Review, Vol. 90, No. 4 (Sep., 2000), pp. 980-994

Fehr, E., Gächter, S., Kirchsteiger, G., 1997. Reciprocity as a contract enforcement device: experimental evidence. Econometrica 65, 833–860.

Fehr, E. and Rockenbach, B. (2003). Detrimental effects of sanctions on human altruism, Nature

Fehr, E. and K. Schmidt (1999). A Theory of Fairness, Competition and Cooperation Quarterly Journal of Economics, 114, 817-868

Fischbacher, U. and Gächter, S. (2009). Social Preferences, Beliefs, and the Dynamics of Free Riding in Public Good Experiments. American Economic Review, forthcoming.

Fischbacher, U., Gächter, S., and Fehr, E. (2001). Are people conditionally cooperative? evidence from a public goods experiment. Economics Letters, 71, 397-404.

Gächter, S. and A. Falk (2002). Reputation and Reciprocity: Consequences for the Labour Relation., Scandinavian Journal of Economics, 104(1), 1-26

Geanakoplos, J., Pearce, D., Stacchetti, E., 1989. Psychological games and sequential rationality. Games and
Economic Behavior 1, 60–79.

Gneezy, U. and Aldo Rustichini (2000). A Fine is a Price. The Journal of Legal Studies, vol. 29 (January 2000)

Güth, W., Schmittberger, R. and Schwarze, B. (1982). An experimental analysis of ultimatum bargaining. Journal of
Economic Behavior & Organization, 3, 367-388.

Henrich, J., Robert Boyd, Samuel Bowles, Colin Camerer, Ernst Fehr, Herbert Gintis and Richard McElreath (2001). In Search of Homo Economicus: Behavioral Experiments in 15 Small-Scale Societies. The American Economic Review, Vol. 91, No. 2, Papers and Proceedings of the Hundred Thirteenth Annual Meeting of the American Economic Association (May, 2001), pp. 73-78

Hopfensitz, A. and Reuben, E. (2009). The Importance of Emotions for the Effectiveness of Social Punishment. Economic Journal

Keser, C. and van Winden, F. (2000). Partners contribute more to public goods than strangers: conditional cooperation. Scandinavian Journal of Economics, 2000

Kosfeld, M., Heinrichs, M., Zak, P. J., Fischbacher, U. & Fehr, E. (2005) Oxytocin increases trust in humans, Nature 435, 2005.

Matthey, A. and T. Regner (2007). Is observed other-regarding behavior always genuine? Jena Economic Research Papers, working paper 2007-109 .

Nikiforakis, N. (2008). Punishment and counter-punishment in public good games: Can we really govern ourselves? Journal of Public Economics Volume 92, Issues 1-2, February 2008, Pages 91-112

Nikiforakis, N. and Normann,H. (2008). A comparative statics analysis of punishment in public-good experiments. Experimental Economics, Volume 11, Number 4 / December, 2008

Regner, T., and Barria, J. (2009). Do consumers pay voluntarily? The case of online music. Journal of Economic
Behavior and Organization, 71, 2009, 395–406.

Reuben, E., P. Sapienza, and L. Zingales (2009). Is Mistrust Self-Fulfilling?. Economics Letters 104: 89-91

Rabin, M., 1993. Incorporating fairness into game-theory and economics. American Economic Review 83, 1281–1302.