Book "Nudge": How Do We Engineer Choices Smartly?

Authors: Richard Thaler - Nobel Prize winner in Economics - and Cass Sunstein

The Idea in Numbers

99% versus 15%! This is the huge gap in organ donation approval rates between two culturally and geographically neighboring countries. The reason was not religious or moral, but merely "survey form design". In the first country, the "default" choice was approval (resulting in 99%), while in the second country the citizen had to mark (✔) to agree (dropping to 15%). This number proves that the way choices are presented completely controls our decisions.

The Big Idea

Humans are not entirely rational beings, and are strongly influenced by the environment in which they make decisions. This book introduces the concept of "choice architecture", and how simple, inexpensive modifications in the way information or numbers are presented (a nudge) can guide individuals toward making better decisions in health, wealth, and happiness, without forcing them or restricting their freedom to choose.

3 Life Lessons from This Book

  • Power of Defaults (The Power of Defaults): Humans are naturally lazy and conservative about the status quo. If you design a company policy, a digital application, or even a savings plan for your family, make the best choice the "default" one that requires no effort from the person to make.
  • No Neutral Design for Decisions (Choice Architecture): The way you arrange food items in a cafeteria, the way you word an employment contract, or the way you order numbers in a performance report; all affect the final decision. Choice architecture is a science that forces you to be aware of how you present data to guide behavior positively.
  • Transparency in Presenting Feedback Data (Feedback): One of the most important types of "nudges" is providing clear and immediate data feedback to people about the results of their actions. For example, sending an electricity bill that compares a family's consumption to their neighbors' average consumption is a smart use of numbers that automatically pushes the family toward more conservation than traditional awareness campaigns.

Unforgettable Quotes

"A nudge is any factor that changes people's behavior in a predictable way, without prohibiting any other choices or significantly changing their economic incentives."

"Never underestimate the power of human inertia, and the amazing thing is that this power can be guided and exploited for their benefit."

Who Is This Book For?

For policymakers, human resource managers, user interface designers (UI/UX), and product innovators who want to understand how a simple change in how numbers and choices are presented can have a huge impact on crowd behavior.