How far back can we trace our irrational behaviors and cognitive biases? Evolutionarily speaking, why do we even do these things? Can we blame our faulty logic on our cultures and institutions, or should we blame it on our biology and our genetic inheritance? Our guest on this episode is psychologist Laurie Santos who has created a novel approach to solving these questions - a marketplace where monkeys learn how to use money just like humans, and where they tend to make the same kind of mistakes as well.

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