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How “nudges” by government can empower citizens without manipulating their preferences or exploiting their biases.

We’re all familiar with the idea of “nudging”—using behavioral mechanisms to encourage people to make certain choices—popularized by Richard Thaler and Cass Sunstein in their bestselling 2008 book Nudge. This approach, also known as “libertarian paternalism,” goes beyond typical programs that simply provide information and incentives; nudges can range from automatic enrollment in a pension plan to flu-shot scheduling. In Nudging, Riccardo Viale explores the evolution of nudging and proposes new approaches that would empower citizens without manipulating them paternalistically. He shows that we can use the tools of the behavioral sciences without abandoning the principle of conscious decision-making.
 
Viale discusses the work of Herbert Simon, Gerd Gigerenzer, Daniel Kahneman, and Amos Tversky that laid the foundation of behavioral economics, describes how policy makers have sought to help people avoid bad decisions, offers examples of effective nudging, and considers how to nudge the nudgers. How can we tell good nudges from bad nudges? Viale explains that good nudges help us avoid bias and encourage deliberate decision making; bad nudges, on the other hand, use bias to nudge people unconsciously into unintentional behaviors. Bad nudges attempt to compel decisions based on economic rationality. Good nudges encourage decisions based on a pragmatic, adaptive, ecological kind of rationality. Policy makers should take note.

Riccardo Viale is Professor of Behavioral Sciences and Cognitive Economics in the Department of Economics at the University of Milano Bicocca, where he is President of BIB-Behavioral Insights Bicocca. He is also Professor of Behavioral Economics at the School of Government and the School of European Public Economics of LUISS, Rome, and Founder and Secretary General of the Herbert Simon Society. He is the author of Economics, Bounded Rationality and the Cognitive Revolution (with Herbert Simon, Massimo Egidi, and Robin Marris) and other books.