New Books in Economics cover image

John A. List, "The Voltage Effect: How to Make Good Ideas Great and Great Ideas Scale" (Currency, 2022)

New Books in Economics

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The Horizontal Scaling of the Experiment

John MacIntosh has been working in the social sciences for 25 years. He started out doing field experiments at baseball card conventions. Now he is writing a book about how science can help change the world. But does his research have external validity, or do results generalize?

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