In one of her first statements as Treasury Secretary, Janet Yellen said that the United States faced “an economic crisis that has been building for fifty years.” The formulation is intriguing but enigmatic. The last half-century is piled so high…

Capitalism is either eternal or it isn’t. There are people who defend the first view, or something close to it—the multivolume 2014 Cambridge History of Capitalism opens in Babylonia, circa 1000 BCE—but it is much more plausible that capitalism, like…