The economist Kenneth Arrow, who died last month at age 95, was a model academic — brilliant, creative, precise, unfailingly modest. If only his fellow economists would stop misrepresenting his work. In the 1950s, Arrow and others proved a theorem that, many economists believe, put a rigorous mathematical foundation beneath Adam Smith’s idea of the invisible hand. The theorem ...

  The National Oceanic and Atmospheric Administration (NOAA) is just one of many federal agencies marked for drastic funding reductions to enable a big boost in military spending. But the cuts proposed for America’s center of weather and climate research reveal alarming pitfalls in President Donald Trump’s approach to budgeting: a reluctance to invest in the future, a disregard for ...

  At last, what South Koreans accomplished was least expected. The country’s Constitutional Court removed President Park Geun-hye from office in a unanimous 8 to 0 decision. The court’s decision marked the most stunning downfall for the South Korea’s first female leader. The ruling allows possible criminal proceedings against 65-year-old Park and makes her country’s first democratically elected leader to ...