Since the end of the Cold War, businesses have built an awe-inspiring global infrastructure. Digital pipelines move vast amounts of capital and data around the world, and supply chains crisscross international boundaries in a spider web of commerce. An intricate system of networks keeps the global economy running smoothly, but it’s easy to take for ...

Richard Thaler, of the University of Chicago, just won the Nobel Memorial Prize in economics for his contribution to behavioral economics — the subfield known for exploring how psychological biases cause people to act in ways that diverge from pure rational self-interest. Policymakers are more likely to know him for a different reason. Together with ...