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Predictably irrational : the hidden forces that shape our decisions |
| | Author: |
Ariely, Dan.
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| | Format: |
Book |
| | Published: |
New York : HarperCollins, 2008.
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| | Language: |
English |
| | Summary: |
Ariely (behavioral economics, Massachusetts Institute of Technology) describes the effects of factors such as expectations, emotions, and social norms on human reasoning--such as how a more expensive medicine can seem more effective--and the resulting irrational decisions the mind makes. He explains how to break the pattern and therefore make better decisions. Each chapt... ( see more)
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| Item Description |
- 1st ed.
- xxii, 280 p. ; 23 cm.
- ISBN: 9780061353239
- ISBN: 006135323X
- OCLC Number: 182521026
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| Notes |
- Includes bibliographical references (p.[259]-267) and index.
- Copy 6: Formerly Lilly Cur. Lit. 20120124
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| DUKE003927807 |
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Table of Contents
- Introduction: How an Injury Led Me to Irrationality and to the Research Described Here (p. xi)
- Chapter 1. The Truth about Relativity: Why Everything Is Relative-Even When It Shouldn't Be (p. 1)
- Chapter 2. The Fallacy of Supply and Demand: Why the Price of Pearls-and Everything Else-Is Up in the Air (p. 23)
- Chapter 3. The Cost of Zero Cost: Why We Often Pay Too Much When We Pay Nothing (p. 49)
- Chapter 4. The Cost of Social Norms: Why We Are Happy to Do Things, but Not When We Are Paid to Do Them (p. 67)
- Chapter 5. The Influence of Arousal: Why Hot Is Much Hotter Than We Realize (p. 89)
- Chapter 6. The Problem of Procrastination and Self-Control: Why We Can't Make Ourselves Do What We Want to Do (p. 109)
- Chapter 7. The High Price of Ownership: Why We Overvalue What We Have (p. 127)
- Chapter 8. Keeping Doors Open: Why Options Distract Us from Our Main Objective (p. 139)
- Chapter 9. The Effect of Expectations: Why the Mind Gets What It Expects (p. 155)
- Chapter 10. The Power of Price: Why a 50-Cent Aspirin Can Do What a Penny Aspirin Can't (p. 173)
- Chapter 11. The Context of Our Character, Part I: Why We Are Dishonest, and What We Can Do about It (p. 195)
- Chapter 12. The Context of Our Character, Part II: Why Dealing with Cash Makes Us More Honest (p. 217)
- Chapter 13. Beer and Free Lunches: What Is Behavioral Economics, and Where Are the Free Lunches? (p. 231)
- Thanks (p. 245)
- List of Collaborators (p. 249)
- Notes (p. 255)
- Bibliography and Additional Readings (p. 259)
- Index (p. 269)
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Title Summary
Ariely (behavioral economics, Massachusetts Institute of Technology) describes the effects of factors such as expectations, emotions, and social norms on human reasoning--such as how a more expensive medicine can seem more effective--and the resulting irrational decisions the mind makes. He explains how to break the pattern and therefore make better decisions. Each chapter is based on an experiment he conducted with colleagues, on topics such as supply and demand, the power of something that is free, the effect of sexual arousal, and procrastination. Annotation ©2008 Book News, Inc., Portland, OR (booknews.com)
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First Chapter or Excerpt
Predictably Irrational The Hidden Forces That Shape Our Decisions Chapter One The Truth about Relativity Why Everything Is Relative--Even When It Shouldn't Be One day while browsing the World Wide Web (obviously for work--not just wasting time), I stumbled on the following ad, on the Web site of a magazine, the Economist . I read these offers one at a time. The first offer--the Internet subscription for $59--seemed reasonable. The second option--the $125 print subscription--seemed a bit expensive, but still reasonable. But then I read the third option: a print and Internet subscription for $125. I read it twice before my eye ran back to the previous options. Who would want to buy the print option alone, I wondered, when both the Internet and the print subscriptions were offered for the same price? Now, the print-only option may have been a typographical error, but I suspect that the clever people at the Economist 's London offices (and they are clever--and quite mischievous in a British sort of way) were actually manipulating me. I am pretty certain that they wanted me to skip the Internet-only option (which they assumed would be my choice, since I was reading the advertisement on the Web) and jump to the more expensive option: Internet and print. But how could they manipulate me? I suspect it's because the Economist 's marketing wizards (and I could just picture them in their school ties and blazers) knew something important about human behavior: humans rarely choose things in absolute terms. We don't have an internal value meter that tells us how much things are worth. Rather, we focus on the relative advantage of one thing over another, and estimate value accordingly. (For instance, we don't know how much a six-cylinder car is worth, but we can assume it's more expensive than the four-cylinder model.) In the case of the Economist , I may not have known whether the Internet-only subscription at $59 was a better deal than the print-only option at $125. But I certainly knew that the print-and-Internet option for $125 was better than the print-only option at $125. In fact, you could reasonably deduce that in the combination package, the Internet subscription is free! "It's a bloody steal--go for it, governor!" I could almost hear them shout from the riverbanks of the Thames. And I have to admit, if I had been inclined to subscribe I probably would have taken the package deal myself. (Later, when I tested the offer on a large number of participants, the vast majority preferred the Internet-and-print deal.) So what was going on here? Let me start with a fundamental observation: most people don't know what they want unless they see it in context. We don't know what kind of racing bike we want--until we see a champ in the Tour de France ratcheting the gears on a particular model. We don't know what kind of speaker system we like--until we hear a set of speakers that sounds better than the previous one. We don't even know what we want to do with our lives--until we find a relative or a friend who is doing just what we think we should be doing. Everything is relative, and that's the point. Like an airplane pilot landing in the dark, we want runway lights on either side of us, guiding us to the place where we can touch down our wheels. In the case of the Economist , the decision between the Internet-only and print-only options would take a bit of thinking. Thinking is difficult and sometimes unpleasant. So the Economist 's marketers offered us a no-brainer: relative to the print-only option, the print-and-Internet option looks clearly superior. The geniuses at the Economist aren't the only ones who understand the importance of relativity. Take Sam, the television salesman. He plays the same general type of trick on us when he decides which televisions to put together on display: 36-inch Panasonic for $690 42-inch Toshiba for $850 50-inch Philips for $1,480 Which one would you choose? In this case, Sam knows that customers find it difficult to compute the value of different options. (Who really knows if the Panasonic at $690 is a better deal than the Philips at $1,480?) But Sam also knows that given three choices, most people will take the middle choice (as in landing your plane between the runway lights). So guess which television Sam prices as the middle option? That's right--the one he wants to sell! Of course, Sam is not alone in his cleverness. The New York Times ran a story recently about Gregg Rapp, a restaurant consultant, who gets paid to work out the pricing for menus. He knows, for instance, how lamb sold this year as opposed to last year; whether lamb did better paired with squash or with risotto; and whether orders decreased when the price of the main course was hiked from $39 to $41. One thing Rapp has learned is that high-priced entrées on the menu boost revenue for the restaurant--even if no one buys them. Why? Because even though people generally won't buy the most expensive dish on the menu, they will order the second most expensive dish. Thus, by creating an expensive dish, a restaurateur can lure customers into ordering the second most expensive choice (which can be cleverly engineered to deliver a higher profit margin). 1 So let's run through the Economist 's sleight of hand in slow motion. As you recall, the choices were: 1. Internet-only subscription for $59. 2. Print-only subscription for $125. 3. Print-and-Internet subscription for $125. When I gave these options to 100 students at MIT's Sloan School of Management, they opted as follows: 1. Internet-only subscription for $59--16 students 2. Print-only subscription for $125--zero students 3. Print-and-Internet subscription for $125--84 students Predictably Irrational The Hidden Forces That Shape Our Decisions . Copyright © by Dan Ariely. Reprinted by permission of HarperCollins Publishers, Inc. All rights reserved. Available now wherever books are sold. Excerpted from Predictably Irrational: The Hidden Forces That Shape Our Decisions by Dan Ariely All rights reserved by the original copyright owners. Excerpts are provided for display purposes only and may not be reproduced, reprinted or distributed without the written permission of the publisher.
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