Richard Thaler and Cass Sunstein.
Nudge: Improving Decisions About Health, Wealth, and Happiness.
This book offers very well-researched insights into how “choice architecture” can successfully nudge people toward making the best decisions for themselves, such as choosing healthier food, exercising more, saving more money, etc. Nudges consist simply of changing the way choices are presented, without changing or restricting the options or adding any incentives.
The book is especially interesting for people who care about the promotion of human welfare in public policies, but the knowledge can also be help us change our own environment to help us make healthier long-term decisions.
As a very useful practical addition, Dilip Soman, Min Zhao, and Nina Mazar have published a free online-report called “A Practitioner’s Guide to Nudging”, presenting a number of short case studies, and giving the choice architect guidelines on how to develop nudges.