Thaler and Sunstein synthesize insights from behavioral economics and psychology to show that individuals often make suboptimal decisions due to biases like loss aversion, status quo bias, and limited attention. They propose libertarian paternalism, a framework that respects individual freedom while encouraging better choices via gentle interventions (nudges). The book covers examples such as automatic enrollment in retirement plans, organ donation defaults, and simplified information presentation, illustrating how thoughtfully designed choice environments can help people act in their own long‑term interests without coercion.
From Wikipedia, Yale University Press (final edition), and Penguin Random House.