Are robots taking Americans' jobs?

01/9/2012 | Bloomberg Businessweek

Companies are finding new ways to use robots and other advanced machinery to perform tasks that once required human workers, analysts say. That sparks debate over whether productivity increases related to mechanization are good for the broader economy. But some say the problem is simple: supply and demand. "We need a new source of demand. If people aren't buying stuff, then no one's hiring workers," says economist David Autor of the Massachusetts Institute of Technology.

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