Ronald Reagan famously summed up the logic of government thusly: “If it moves, tax it. If it keeps moving, regulate it. And if it stops moving, subsidize it.” Uber and Lyft move, so naturally, the state of Massachusetts wants to tax them. And since taxis aren’t moving nearly as much as they used to, the state wants to hand …

  Donald Trump made a seemingly momentous announcement on Monday, jettisoning a presidential campaign’s worth of assertions that he would deport millions of undocumented immigrants and close what he has repeatedly called an “open” border. Fox News anchor Bill O’Reilly, who interviewed Trump, was obviously stunned. After telling Trump that the news media is “running wild with this,” he asked …

I miss 2011. Looking back, that was the heyday of economic blogging. The financial crisis had abated, but the recovery from the recession was disappointing, and everyone was talking about how to jump-start growth. Macroeconomics was important again. Now, with the U.S. economy having returned to some semblance of normal, and with political threats looming, the finer points of macroeconomic …