It's not news, of course, that small things make a big difference. The wording on a survey affects answers, and on test questions, and on the forms we're required to complete.
So the question becomes where should we nudge, and how much.
Thaler and Sunstien promote a concept called Libertarian Paternalism. Libertarian, meaning everyone ultimately has the opportunity to choose for themselves. Paternalism meaning the nudge is in the "right" direction.
Photo courtesy of Martin Fisch