Demand for less skilled workers decreased dramatically in the US and in other developed countries over the past two decades. We argue that pervasive skill biased technological change rather than increased trade with the developing world is the principal culprit. The pervasiveness of this...

Much of the dramatic change in skill and wage structure observed in recent years in the United States is believed to stem from the impact of new technology. This paper compares the changing skill strcuture of wage bills and employment in the United States with six other advanced developed...