Predictably Irrational: Book summary and reviews of Predictably Irrational by Dan Ariely

Predictably Irrational

The Hidden Forces That Shape Our Decisions

by Dan Ariely

Predictably Irrational by Dan Ariely X
Predictably Irrational by Dan Ariely

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Book Summary

When it comes to making decisions in our lives, we think we're in control. We think we're making smart, rational choices. But are we?

In a series of illuminating, often surprising experiments, MIT behavioral economist Dan Ariely refutes the common assumption that we behave in fundamentally rational ways. Blending everyday experience with groundbreaking research, Ariely explains how expectations, emotions, social norms, and other invisible, seemingly illogical forces skew our reasoning abilities.

Not only do we make astonishingly simple mistakes every day, but we make the same types of mistakes, Ariely discovers. We consistently overpay, underestimate, and procrastinate. We fail to understand the profound effects of our emotions on what we want, and we overvalue what we already own. Yet these misguided behaviors are neither random nor senseless. They're systematic and predictable—making us predictably irrational.

From drinking coffee to losing weight, from buying a car to choosing a romantic partner, Ariely explains how to break through these systematic patterns of thought to make better decisions. Predictably Irrational will change the way we interact with the world—one small decision at a time.

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Reviews

Media Reviews

"Ariely's intelligent, exuberant style and thought-provoking arguments make for a fascinating, eye-opening read." - Publishers Weekly.

"Surprisingly entertaining. . . . Easy to read. . . . Ariely’s book makes economics and the strange happenings of the human mind fun." - USA Today.

"The most difficult part of investing is managing your emotions. Dan explains why that is so challenging for all of us, and how recognizing your built-in biases can help you avoid common mistakes." - Charles Schwab, Chairman and CEO, The Charles Schwab Corporation

"A marvelous book that is both thought provoking and highly entertaining, ranging from the power of placebos to the pleasures of Pepsi. Ariely unmasks the subtle but powerful tricks that our minds play on us, and shows us how we can prevent being fooled." - Jerome Groopman, New York Times bestselling author of How Doctors Think.

"Make a point of seeing this book. That way you'll know you want it, and you will." - Kirkus Reviews.

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Author Information

Dan Ariely

Dan Ariely is the Alfred P. Sloan Professor of Behavioral Economics at MIT, where he holds a joint appointment between MIT's Media Laboratory and the Sloan School of Management. He is also a researcher at the Federal Reserve Bank of Boston and a visiting professor at Duke University.

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