Thaler, Richard H., 1945- Nudge : improving decisions about health, wealth, and happiness / Richard H. Thaler, Cass R. Sunstein. - New International Edition - England : Penguin Books, c2009. - x, 305 p. ; 23 cm. ISBN: 9780141040011 Subjects--Topical Terms: Economics--Psychological aspects.Choice (Psychology)--Economic aspects.Decision making--Psychological aspects.Consumer behavior. Dewey Class. No.: 330.019 THA