'A pathbreaking book that for the first time brings smart policy insights into contact with creative, rigorous testing. This book sets the standard for all future scientific evaluations of "what works".' Donald P. Green, Burgess Professor of Political Science, Columbia University
'Nudge, nudge, think, think not only informs the reader about how nudge and think strategies can be combined, but also about what the potential benefits and drawbacks of such strategies are for a range of public behaviours.' Sander van der Linden, LSE British Politics and Policy blog -- .