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Predictably Irrational


Synopsis


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 book, 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 that 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.

About the Publisher

HarperCollinsPublishers

HarperCollinsPublishers

With a heritage stretching back nearly 200 years, HarperCollins is one of the world's foremost English-language publishers, offering the best quality content right across the spectrum, from cutting-edge contemporary fiction to digital hymnbooks and pretty much everything in between. In the UK, the Glasgow-based William Collins & Sons was founded in 1819 and published a range of bibles, atlases and dictionaries, later including classic authors HG Wells, Agatha Christie, JRR Tolkien and CS Lewis. The original Harper Brothers Company was established in New York City in 1817 and over the years published the works of Mark Twain, the Bronte Sisters, Thackeray, Dickens, John F Kennedy and Martin Luther King Jr. In 1987, Harper & Row, as it had then become, was acquired by News Corporation. The worldwide group was formed following News Corp's 1990 acquisition of William Collins & Sons. Today we publish some of the world's foremost authors, from Nobel prize-winners to worldwide bestsellers recent successes including the Booker-winning Wolf Hall and Bring Up The Bodies by Hilary Mantel, and George RR Martin's blockbusting A Song of Ice and Fire series.

Summary

Chapter 1: The Hidden Forces of Irrationality

* Summary: People's behaviors are often driven by irrational forces that they are unaware of. These forces include emotional biases, cognitive illusions, and social influences.
* Example: People are more likely to make risky decisions when they are feeling stressed or uncertain.

Chapter 2: The Anchoring Effect

* Summary: People tend to rely too heavily on the first piece of information they receive, even if it's irrelevant. This can lead to distorted judgments and poor decisions.
* Example: If you are told that a car is worth $10,000, you may be less likely to negotiate a lower price, even if the car is actually worth less.

Chapter 3: The Confirmation Bias

* Summary: People tend to seek out information that confirms their existing beliefs and ignore information that contradicts them. This can lead to biased decision-making.
* Example: If you believe that a certain stock is going to rise, you may only pay attention to news reports that support this view and ignore any reports that suggest the stock might fall.

Chapter 4: The Decoy Effect

* Summary: People's choices can be influenced by the presence of a third option, even if that option is less attractive than the other two.
* Example: If you are offered a large and a small pizza, you may be more likely to choose the large pizza. However, if a medium pizza is added as a third option, you may be more likely to choose the small pizza, which now seems more appealing in comparison.

Chapter 5: The Illusion of Control

* Summary: People tend to believe that they have more control over events than they actually do. This can lead to risky decisions and disappointment.
* Example: Gamblers often believe that they can predict the outcome of a game and win big. However, the odds of winning are stacked against them and their belief in their own control is an illusion.

Chapter 6: The Power of Social Proof

* Summary: People are influenced by the actions and opinions of others, even when those actions or opinions are not necessarily rational.
* Example: If you see other people buying a certain product, you may be more likely to buy it yourself, even if you don't know anything about it.

Chapter 7: The Paradox of Choice

* Summary: Having too many choices can actually lead to indecision and dissatisfaction.
* Example: If you are faced with a menu with hundreds of different dishes, you may find it difficult to choose and may end up feeling less satisfied with your meal.

Chapter 8: The Procrastination Problem

* Summary: People often procrastinate because they are afraid of failure or making the wrong decision.
* Example: If you have a big project due, you may put it off because you are worried about not being able to complete it on time.

Chapter 9: The Price of Self-Control

* Summary: Exercising self-control can be mentally and physically draining.
* Example: If you are trying to lose weight, you may find it difficult to resist temptation when you are tired or stressed.

Chapter 10: Predictable Irrationality in Action

* Summary: The irrational forces described in the book can be seen in a variety of real-world situations, including marketing, finance, and healthcare.
* Example: Companies often use anchoring effects and social proof to influence consumer behavior. For instance, a store might offer a discount on a product if you buy it within a certain time frame, or they might highlight the number of other people who have bought the product.