Bloomberg Iceland has fought wars to pro- tect its fishermen, most recently against the UK in the 1970s. Now, a record inflow of foreign tourists is threatening the industry that once built this tiny north Atla- ntic country. The flood of sightseers, volcano watchers and glacier trekkers is lifting the national currency, pushing up the price of Icelandic fish. …

  You knew it all along: Economists can’t forecast the economy worth a hoot. And now we have a scholarly study that confirms it. Better yet, the corroboration comes from an impeccable source: the Federal Reserve. The study compared predictions of important economic indicators — unemployment, inflation, interest rates, gross domestic product — with the actual outcomes. There were widespread …

  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 …