Om episode
A national-security law imposed by Beijing had not, until this week, bared its teeth; the arrests of dozens of pro-democracy figures reveals how much it can crimp opposition. At the American Economics Association’s annual shindig, a scholar implores economists to recalibrate just how self-interested they take people to be. And the inspiring life and untimely death of a beloved, goat-herding refugee. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer