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Publisher's Summary

Why do smart people make irrational decisions every day? The answers will surprise you.

Predictably Irrational is an intriguing, witty and utterly original look at why we all make illogical decisions. Why can a 50p aspirin do what a 5p aspirin can't? If an item is free, it must be a bargain, right? Why is everything relative, even when it shouldn't be? How do our expectations influence our actual opinions and decisions?

In this astounding audiobook, behavioural economist Dan Ariely cuts to the heart of our strange behaviour, demonstrating how irrationality often supplants rational thought and that the reason for this is embedded in the very structure of our minds.

Predicatably Irrational brilliantly blends everyday experiences with a series of illuminating and often surprising experiments that will change your understanding of human behaviour. And by recognising these patterns, Ariely shows, we can make better decisions in business, in matters of collective welfare and in our everyday lives, from drinking coffee to losing weight, buying a car to choosing a romantic partner.

©2008 Dan Ariely (P)2016 HarperCollins Publishers Ltd

Critic Reviews

"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 best-selling author of How Doctors Think)
"Predictably Irrational is wildly original. It shows why - much more often than we usually care to admit - humans make foolish, and sometimes disastrous, mistakes. Ariely not only gives us a great read; he also makes us much wiser." (George Akerlof, Nobel Laureate in Economics, 2001 Koshland Professor of Economics, University of California at Berkeley)
"Dan Ariely is one of the most original and consistently interesting social scientists I know. His research covers an unusually broad range of topics, and in every one of them he has produced some distinctive findings and ideas. His methodological inventiveness is remarkable." (Daniel Kahneman, Nobel Prize in Economics, 2002)

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Delightfully instructive!

Each chapter presents a new experience that demonstrates how we are all essentially irrational. And it's very interesting to realize that. The narration is also great.

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Fascinating and Delightful

Excellent book: sharply observed, insightful, inspiring. Fascinatingly well written and delightfully narrated. It doesn't get much better than this.

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  • Mark F
  • 09-24-17

Interesting observations about human behavior

Really enjoyed the more business oriented info, as well as finding the day to day stuff intriguing. The second half of the book went into more general behaviour which was interesting but personally I got more from the first few chapters which focused on market forces... worth a listen though.

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  • Exclusive Analysis Ltd
  • 07-04-17

largely fascinating book and very well read

some fascinating ideas in the book and I loved the dry narration - highly recommended!

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  • Ross
  • 05-12-17

Very interesting book with relatable examples

Any additional comments?

This is the first book I've read on behavioural economics and it has definitely made me want to read more. The book covers a great breadth of topics with very relatable examples backed up by Ariely's studies. By the end of the book my understanding of the decisions people make had changed so much so that I could predict the outcomes of the studies he was describing. It has definitely changed the way I approach decision making.

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  • Jacob Magnussen
  • 03-13-17

Amazing insight

The insight you get into the irrationallity of man is amazing. All backed up by science. Made me a better man and leader.