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The Price of Happiness: Behavioral Economics and Willingness to Pay book cover
Book

The Price of Happiness: Behavioral Economics and Willingness to Pay

Cass Sunstein headshotCass SunsteinRobert Walmsley University Professor, Harvard
PublishedAugust 2026
PublisherCambridge University Press
About the book

Behavioral Economics and Willingness to Pay

People often 'miswant.' They buy goods that do not make them happy and refuse to buy goods that would make their lives better. In The Price of Happiness, Cass R. Sunstein focuses on people's 'willingness to pay, ' which is the foundation for free markets. He argues that willingness to pay deserves respect, and high honors in the annals of history, when buyers know what they are getting. It's when buyers lack information, or suffer from behavioral biases, that they might miswant. Special conundrums also arise when we try to monetize goods we don't normally consider in monetary terms, like pristine areas, human dignity, and social media. Exploring behavioral biases and their effect on human welfare, Sunstein shows how behavioral economics can be used to increase human happiness.

Meet Cass

About Cass Sunstein

Cass Sunstein has advised the United Nations, the European Commission, the World Bank and the United Kingdom's Behavioural Insights Team. "Core commonalities, like how people dislike losses more than they like gains or why people all over the world make the same mistakes about risk, are at the core of our species," he says.

He has lately turned to algorithms and AI, examining how they can improve human judgment. "What's also interesting is what algorithms can't do, like predict romantic attraction or if a joke will land," he notes.

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