We are such an anxiety-ridden society that we worry about problems that haven’t happened, and, almost certainly, won’t. Robots are an apt example. Even McKinsey and Co., the high-powered management consulting firm, professes to be concerned. We imagine hordes of robots destroying jobs, leaving millions of middle-class families without work and income. Relax. Unless we adopt self-destructive policies, this …

  The world is braced for the discovery of a fifth fundamental force of nature — the four known ones being electromagnetism, gravity, and strong and weak nuclear forces — that subverts the so-called standard model of particle physics. Given the lackluster outlook for global growth, maybe economics needs a similar revolution. Quantitative easing’s failure to quash the threat of …

  Economists regularly point out that the U.S. has recovered from the recession of 2007 to 2009 much more strongly than other countries. If only it were so. True, the U.S. stands out if one looks only at gross domestic product. For example, The Organization for Economic Cooperation and Development pointed out recently that U.S. GDP has expanded by more …