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"Policies Designed for Self-Interested Citizens May Undermine 'The Moral Sentiments': Evidence from Economic Experiments." Science 320 (2008): 5883 (June 20).
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Persistent Institutions [with Suresh Naidu].

Social Preferences and Public Economics: Mechanism Design when Social Preferences Depend on Incentives Working Paper, Santa Fe Institute, Santa Fe, NM, 2008 [with Sung-Ha Hwang].

Remarks on "Moral Judgement: Evolutionary and Psychological Perspectives." at the meeting of the AAAS, Boston, February 15, 2008. Remarks

Genetically Capitalist? Science 318 (19 October 2007): 394-396.

Genetically Capitalist? Science 2007): 318. Review of G. Clark A Farewell to Alms: A Brief Economic History of the World. Princeton University Press, 2007. Commentary

The Coevolution of Parachial Altruism and War. Science 319 (26 October 2007). [with Jung Kyoo Choi].
Do it yourself simulation
Execution Instructions

Garrison America. The Economists' Voice 4(2). Berkeley Electronic Press, 2007 [with A. Jayadev].

Cooperation. This essay will appear in the The New Palgrave Dictionary of Economics, Eds. L. Blume and S. Durlauf. MacMillan, 2008, [with H. Gintis].

Power. This essay will appear in the New Palgrave Encyclopedia of Economics, Eds. L. Blume and S. Durlauf. MacMillan, 2008, [with H. Gintis].

Is Equal Opportunity Enough? A Theory of Persistent Group Inequality. April 20, 2007, [with G. C. Loury and R. Sethi].

Social Preferences, Homo Economicus and Zoon Politikon. In The Oxford Handbook of Work of Contextual Political Analysis, Eds. Robert E. Goodin and Charles Tilly. New York: Oxford University Press, 2006, [with H. Gintis].

Persistent Institutions. October 23, 2006, [with S. Naidu].

Group Competition, Reproductive Leveling, and The Evolution of Human Altruism. Science 314 (2006): 1569-1572.
Supporting Materials for Group Competition, Reproductive Leveling, and The Evolution of Human Altruism

Genetic Relatedness Predicts South African Migrant Workers' Remittances to their Families. Nature 434 (2005): 380-383, [with D. Posel].

'Economic Man' in Cross-cultural Perspective: Behavioral Experiments in 15 Small-Scale Societies. Behavior and Brain Sciences 28 (2005): 795-815, [with J. Henrich, R. Boyd, et al.]

Equilibrium Selection by Intentional Idiosyncratic Play, Santa Fe Institute, 2005 [with S. Naidu]

Economic Integration, Cultural Standardization, and the Politics of Social Insurance, Santa Fe Institute, 2005 [with Ugo Pagano]

Persistent Parochialism: Trust and Exclusion in Ethnic Networks, Journal of Economic Behavior and Organization 55 (2004): 1-23, [with H. Gintis]. 

The Evolution of Strong Reciprocity: Cooperation in Heterogeneous Populations, Theoretical Population Biology 65 (2004): 17-28, [with Herbert Gintis] 

Explaining Altruistic Behavior in Humans, Evolution and Human Behavior 24 (2003): 153-172, [with H. Gintis, R. Boyd, and E. Fehr] 

The Coevolution of Individual Behaviors and Social Institutions, Journal of Theoretical Biology 223 (2003): 135-147, [with Jung-Kyoo Choi and Astrid Hopfensitz] 

  Emulation, Inequality, and Work Hours: Was Thorsten Veblen Right? forthcoming in Economic Journal. [with Yong-Jin Park]

The First Property Rights Revolution, Santa Fe Institute Working Paper 2002, #02-11-061, [with Jung-Kyoo Choi]