Adam Morris from Harvard University’s Department of Psychology talks with us about his game theory research into why people engage in retribution with little regard for its effectiveness, yet they respond to punishment from others with flexibility based on costs and benefits. He co-authored the article “Evolution of Flexibility and Rigidity in Retaliatory Punishment” with James MacGlashan, Michael Littman, and Fiery Cushman. The article was published in the Proceedings of the National Academy of Sciences on September 26, 2017, in vol. 114, no. 39.

 

Retaliatory Punishment - Adam Morris
Retaliatory Punishment - Adam Morris
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Websites

Play the Steal-Punish game just like the research participants

All code and data from the article

Moral Psychology Research Lab

Adam Morris’ personal page

Habitual control of goal selection in humans” w/ Fiery Cushman

Michael Littman on Twitter

Fiery Cushman on Twitter

Bonus clips

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▲ Work done at the Cushman Lab

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▲ On altruistic punishment

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▲ Influence of Drew Fudenberg

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▲ Adam’s experience playing the game

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▲ On the Public Goods game

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▲ Amazon Mechanical Turk (mTurk) explained

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▲ Is it ever morally right to steal?

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▲ On the mathematical models used in the study

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▲ The experience of conducting the computations in the study

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▲ On Reinforcement Learning algorithms

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▲ On publishing in PNAS

Hosts / Producers

Ryan Watkins & Doug Leigh

Music

What’s The Angle? by Shane Ivers

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