In publishing new guidelines for automated vehicles this week, the U.S. Transportation Department tacitly acknowledged two important truths: This technology will probably be great. And no one knows what will happen. The regulators took a restrained approach, offering a safety checklist for manufacturers and better guidance for state officials but stopping short of issuing restrictive new rules. That’s prudent: …

  Bank of Japan (BoJ) comprehensively reviewed the sustainability of a series of daring policy decisions that it had taken since January at its meeting on Tuesday and Wednesday. The mellowed central bank weighed the effectiveness of these decisions and unveiled a massive overhaul of monetary policy. The latest steps to commit itself to stoking inflation over the longer term …

  Until a few years ago, Africa Rising was a dominant theme in conversations about the global economy. That enthusiasm has since cooled, so that in newsrooms and think tanks and conference panels, “Africa Rising!” has given way to a more questioning “Africa Rising?” While some of that pessimism may be justified, we do not have the luxury of distracting …