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“Nordic Exceptionalism? Social Democratic Egalitarianism in World-Historic Perspective.” Journal of Public Economics (2014): forthcoming. [with Mattia Fochesato]

“Nicolo Machiavelli and the Origins of Mechanism Design.” Journal of Economic Issues XLVIII(2) (2014): forthcoming.

Comment on Fry and Soderberg “Lethal Aggression in Mobile Forager Bands and Implications for the Origins of War.” 19 July 2013.

Review of James Heckman, Giving Kids a Fair Chance Science Vol. 340, May 31, 2013.

The Persistence of Inferior Cultural-Institutional Conventions. American Economic Review: Papers and Proceedings 103(3) (2013): 1-7. [with Marianna Belloc].

Coevolution of Farming and Private Property During the Early Holocene. PNAS 110(22) (2013): 8830-8735. [with Jung-Kyoo Choi].

Group Inequality. Journal of the European Economic Association 12(1) (2014): 129-152. [with R. Sethi and G. C. Loury].

Comment in ScienceNews by Julie Rehmeyer Separate Is Never Equal: How Social Segragation Leads to Economic Inequality, June 4, 2011.

Optimal Incentives with State-Dependent Preferences Journal of Public Economic Theory (2012): forthcoming. [with Sung-Ha Hwang].

Is Altruism Bad for Cooperation? Journal of Economic Behavior and Organization (2012): 330-341. [with Sung-Ha Hwang]

Veblen Effects, Political Representation, and the Reduction in Working Time over the 20th Century Journal of Economic Behavior and Organization 83 (2012): 218-242. [with Seung-Yun Oh and Yong-Jin Park]

Economic Incentives and Social Preferences: Substitutes or Complements? Journal of Economic Literature 50(2) (2012): 368-425. [with Sandra Polania-Reyes]

Warriors, Levelers and the Role of Conflict in the Evolution of Social Behavior Science 336 (2012): 876-879.

Linguistic Diversity and Economic Security are Complements (in honor of Philippe van Parijs) 2012.

The entire book is available here.

A Cultural-Institutional Market Failure (in honor of Duncan Foley) 2012.

Three's a Crowd: My Diner Party with Karl, Leon, and Maynard
A one act play in seven scenes. To celebrate the life and work of Tom Weisskopf, by Samuel Bowles

History Lesson From the First Farmers New Scientist 2837 (2011): 26-27.

Cultivation of Cereals by the First Farmers Was Not More Productive than Foraging PNAS 108(12) (2011): 4760-4765.

Inequality and Network Structure Games and Economic Behavior 73 (2011): 215-226. [with Willemien Kets, Garud Iyengar and Rajiv Sethi]

Is Liberal Society a Parasite on Tradition? Philosophy and Public Affairs, 39(1) (2011).
On line appendix

Coordinated Punishment of Defectors Sustains Cooperation and Can Proliferate When Rare Science 328(5978) (2010): 617-620. [with Robert Boyd and Herbert Gintis]

Supplementary online materials

Evolutionary Bargaining with Intentional Idiosyncratic Play. Economics Letters 109 (2010): 31-33. [with S. Naidu and S.-H. Hwang]

Current Anthropology Symposium (2010) on Intergenerational Transmission of Wealth and Inequality in Premodern Societies

Combined Papers

Intergenerational Wealth Transmission and the Dynamics of Inequality in Small-Scale Societies. Science October 30, 2009. [with M. Borgerhoff Mulder, T. Hertz, et al.]

Full Text
Press briefing: New Data on the Roots of Inequality Reveal Key Role of Wealth Inheritance

Did Warfare among Ancestral Hunter-Gatherer Groups Affect the Evolution of Human Social Behaviors. Science, 324, pp. 1293-98. (05 June 2009)

Full Text
Background for Journalists
Commentary - The Economist, Independent (UK), New Scientist, Wired, Nature News

When Economic Incentives Backfire. Harvard Business Review March 2009.

Strong Reciprocity and Team Production: Theory and Evidence. Journal of Economic Behavior /& Organization (2009). [with Jeffrey Carpenter, Herbert Gintis, and Sung-Ha Hwang].

Conflict: Altruism's Midwife. Nature 456 (2008): 326-327 (November).

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

Full Text

Social Preferences and Public Economics: Mechanism Design when Social Preferences Depend on Incentives Journal of Public Economics 92 (2008): 1811-1820 [with Sung-Ha Hwang].

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

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].

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

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].

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.]

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] 

Does Market Theory Apply to Biology? In The Genetic and Cultural Evolution of Cooperation. Ed. Peter Hammerstein. Cambridge, MA: MIT Press, 2003. [with Peter Hammerstein] 

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? Economic Journal 115(507) (2005): F397-F412. [with Yong-Jin Park]