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Wilfrid Laurier University Leaf
December 22, 2014

Canadian Excellence

Ross Cressman




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email: Ross Cressman
phone: 519.884.0710
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Ross Cressman

Costly Punishment does not always increase Cooperation


Jia-Jia Wu, Bo-Yu Zhang1, Zhen-Xin Zhou, Qiao-Qiao He, Xiu-Deng Zheng, Ross Cressman and Yi Tao

published: 2009 | Research publication | Research publication

Proceedings of the National Academy of Sciences USA 106, 17448-17451

Download: PDF (373k) pnas-experiment-final-sept09.pdf

revised Dec 16/09

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