Editorial Reviews Amazon.com Questions for Richard Thaler and Cass Sunstein Amazon.com: What do you mean by nudge and why do people sometimes need to be nudged? Thaler and Sunstein: By a nudge we mean anything that influences our choices. A school cafeteria might try to nudge kids toward good diets by putting the healthiest foods at front. We think that it s time for institutions, including government, to become much more user-friendly by enlisting the science of choice to make life easier for people and by gentling nudging them in directions that will make their lives better. Amazon.com: What are some of the situations where nudges can make a difference? Thaler and Sunstein: Well, to name just a few: better investments for everyone, more savings for retirement, less obesity, more charitable giving, a cleaner planet, and an improved educational system. We could easily make people both wealthier and healthier by devising friendlier c...