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Predictably Irrational, Revised and Expanded Edition: The Hidden Forces That Shape Our Decisions

by Dan Ariely

The patterns behind everyday choices

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Awards & Recognition

  • Bestseller

    New York Times bestseller

    Described in the supplied metadata as a New York Times bestseller.

AlbakiReads Editorial

The patterns behind everyday choices

Dan Ariely examines how people make decisions they believe are rational, using familiar situations—from pricing and purchases to health habits and relationships—to explore recurring departures from that assumption. The examples connect small choices, such as responses to different prices, with broader questions about how people judge value, weigh options, and delay action. In this revised and expanded edition, the book presents these behaviors as systematic rather than random, making their patterns the subject of its inquiry. Its scope ranges across everyday life and economic decision-making, offering a framework for considering why choices can differ from what people expect of themselves.

Good fit for readers who enjoy

  • Readers interested in behavioral economics and decision-making
  • Those curious about how people assess prices, value, and everyday choices
  • Readers seeking accessible examples drawn from consumer behavior and daily life

Themes

Behavioral economicsDecision-makingPerceived value and pricingHabit and procrastination

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Book overview

The groundbreaking bestseller from iconic behavioral psychologist Dan Ariely, and the inspiration for the NBC show The Irrational

"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

"Ariely is a genius at understanding human behavior: no economist does a better job of uncovering and explaining the hidden reasons for the weird ways we act, in the marketplace and out. Predictably Irrational will reshape the way you see the world, and yourself, for good." -- James Surowiecki, author of The Wisdom of Crowds

Why do our headaches persist after we take a one-cent aspirin but disappear when we take a fifty-cent aspirin? Why do we splurge on a lavish meal but cut coupons to save twenty-five cents on a can of soup?

When it comes to making decisions in our lives, we think we're making smart, rational choices. But are we? In this revised and expanded edition of the groundbreaking New York Times bestseller, Dan Ariely refutes the common assumption that we behave in fundamentally rational ways. From drinking coffee to losing weight, from buying a car to choosing a romantic partner, we consistently overpay, underestimate, and procrastinate. Yet these misguided behaviors are neither random nor senseless. They're systematic and predictable--making us predictably irrational.

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Customer reviews

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AlbakiReads
Malaika Taylor

I highly recommend to for anyone looking for inner clarity

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Thomas DiMassa

Great service and fast service

Great shopping experience! The book arrived quickly, was well packaged, and matched the description perfectly. I would definitely shop with you again

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Olivia

Smooth.