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Better Than Rational

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Better than Rational: Evolutionary Psychology and the Invisible Hand
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Leda Cosmides; John Tooby
The American Economic Review, Vol. 84, No. 2, Papers and Proceedings of the Hundred and Sixth Annual Meeting of the American Economic Association (May, 1994), 327-332.
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Fri Sep 10 17:38:04 2004

Better than Rational:
Evolutionary Psychology and the Invisible Hand

Several years ago, we attended an interdisciplinary seminar on what were purported to be "biases" in negotiation behavior. The economists, psychologists, and biologists present were mulling over the data when, suddenly, a prominent economist lit up. "Ah, I see,'" he said, "behavior is either rational or it's psychological."
This formulation stuck in our minds, because it seemed to

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