INTERSTELLAR TRADE? THE ECONOMIST wonders, with an article "Exports to Mars". You see, when they totaled up all the balance-of-payments statistics for all the countries,
the world exported $331 billion more than it imported in 2010, according to the IMF’s World Economic Outlook. The fund forecasts that the global current-account surplus will rise to almost $700 billion by 2014.
It explains a lot of the weirdness at Wal-Mart, though. But financial stats are always a problem, as Douglas Adams showed us so delightfully: