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A Theory of Fairness, Competition and Cooperation, (with K. Schmidt), 1999
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Altruistic Punishment in Humans, 2002
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Cooperation and Punishment in Public Goods Experiments, (with S. Gachter), 2000
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Fairness and Retaliation – The Economics of Reciprocity, (with S. Gachter), 2000
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The Nature of Human Altruism, (with Urs Fischbacher), 2003
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Third party punishment and social norms, (with Urs Fischbacher), 2004
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Explaining altruistic behavior in humans, (with Herbert Gintis, Samuel Bowles, Robert Boyd), 2003
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Oxytocin Increases Trust in Humans, (with M. Kosfeld, M. Heinrichs, P. Zak and U. Fischbacher), 2005
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The Neural Basis of Altruistic Punishment, (with D. DeQuervain, U. Fischbacher, V. Treyer, M. Schellhammer, and A. Buck), 2004
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Diminishing Reciprocal Fairness by Disrupting Right Prefrontal Cortex, (with D. Knoch. A. Pascual-Leone, K. Meyer, V. Treyer), 2006