The first line of Cass Sunstein’s latest book, The Ethics of Influence, announces: “We live in an age of psychology and behavioral economics—the behavioral sciences.” For Sunstein, a Harvard law professor and former Obama administration official, this is as momentous a statement as saying we live in an age of antibiotics, steam engines, or the Internet. But just saying that nudges are here to stay does not make it so. In fact, if their future were not in doubt, why the need for yet another book on the topic—and so soon after his Father’s Day-gift-ready book on Star Wars—arguing that they should be here to stay? Like the president he served, Sunstein is now focused on cementing his legacy.
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