Libertarian paternalism way that will make choosers better off, as judged by themselves" (p. 5); note and consider, the concept paternalism specifically requires a restriction of choice. It is libertarian in the sense that it aims to ensure that "people should be free to opt out of specified arrangements if they choose to do so" (p. 1161). The possibility to opt-out is said to "preserve freedom of choice" (p. 1182). Thaler and Sunstein published "Nudge", a book-length defense of this political doctrine, in 2008 (new edition 2009). Libertarian paternalism is similar to asymmetric paternalism, which refers to policies designed to help people
Nudge (book) they are influenced by their social interactions. The book describes two systems that characterize human thinking, which Sunstein and Thaler refer to as the "Reflective System" and the "Automatic System". These two systems are more thoroughly defined in Daniel Kahneman's book "Thinking, Fast and Slow". The Automatic System is "rapid and is or feels instinctive, and it does not involve what we usually associate with the word "thinking"". Instances of the Automatic System at work include smiling upon seeing a puppy, getting nervous while experiencing air turbulence, and ducking when a ball is thrown at you. The Reflective System is