Behavioral economics nudge is a microtargetted design geared towards a specific group of people, irrespective of the scale of intended intervention. In 2008, Richard Thaler and Cass Sunstein's book "Nudge: Improving Decisions About Health, Wealth, and Happiness" brought nudge theory to prominence. It also gained a following among US and UK politicians, in the private sector and in public health. The authors refer to influencing behaviour without coercion as libertarian paternalism and the influencers as choice architects. Thaler and Sunstein defined their concept as: In this form, drawing on behavioral economics, the nudge is more generally applied to influence behaviour. One of
Nudge (book) people having the desire to save more, yet procrastinating on actually doing so. This program would invite "participants to commit themselves, in advance, to a series of contribution increases timed to coincide with pay raises". The book contains an analysis of the Bush administration program Medicare Part D. Thaler and Sunstein state that "on some dimensions, Bush was on the right track" with the plan, but that, "as a piece of choice architecture...it suffered from a cumbersome design that impeded good decision making". Specifically, they think that default choices for programs should not have been random and that beneficiaries of