1Bohon, G. , and A. Ockenfels. 2000. " A Theory of Equity, Reciprocity and Competition. " American Economic Review, 90 ( 1 ) : 166 - 193.
2Brown, M. , A. Falk, and E. Fehr. 2004. " Relational Contracts and the Nature of Market Interactions. " Econometrica, 72 ( 3 ) : 747 - 780.
3Camerer, C. , and R. Thaler. 1995. " Anomalies: Ultimatums, Dictators and Manners. " The Journal of Economic Perspectives, 9(2) :209 -219.
4Cameron, L. A. 1999. "Raising the Stakes in the Ultimatum Game: Evidence from Indonesia. " Economic Inquiry, 37 (1) : 47 - 59.
5Charness, G. , and M. Rabin,2002. " Understanding Social Preferences with Simple Tests. " Quarterly Journal of Economics, 117(3) :817 -869.
6Cox, J. , D. Friedman, and S. Gjerstad. 2007. "A Tractable Model of Reciprocity and Fairness. " Games and Economic Behavior, 59(1) :17 -45.
7Dohmen, T. , A. Falk, D. Huffman, and S. Uwe. 2009. " Homo Reciprocans: Survey Evidence on Behavioural Outcomes. " The Economic Journal, 119 ( 536 ) :592 - 612.
8Dufwenberg, M. , and G. Kirchsteiger. 2004. "A Theory of Sequential Reciprocity. " Games and Economic Behavior, 47(2): 268 - 298.
9Englmaier, F. , and S. Leider. 2008. "" Contractual and Organizational Structure with Reciprocal Agents. '" CESifo Working Paper Series No. 2415.
10Englmaier F. , and A. Wambach. 2002. "Contracts and Inequity Aversion. " CESifo Working Paper Series No. 809.