Gazelles in the heartland

摘要

AT FIRST glance, it seems that America's economy is losing its mojo. Many economists, most notably Robert Gordon of Northwestern University, have lamented that productivity growth seems to be anaemic when compared with earlier golden eras (see Free exchange). A gloomy chorus of business leaders has echoed what media outlets have by now turned into a mantra, that American entrepre-neurship is in steady decline. Surely America's overall competitiveness, then, is plummeting?