Cooperation in the prisoner’s dilemma
Even rats can figure it out…
…but only after lunch.
Studies conducted in other labs previously concluded that rats didn’t grasp how to succeed in the Prisoner’s Dilemma. The authors of the PLoS study noted that when experimenters observed low cooperation rates, the animals had been food deprived. Fully satiated rats, on the other hand, freely cooperated and easily solved the Prisoner’s Dilemma. These results show that the primordial drive for food in a hungry animal simply clouds judgement.
Via Tyler Cowen.
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