From The Economist:
Minimum wage laws have a long history and enduring political appeal. New Zealand pioneered the first national pay floor in 1894. America’s federal minimum wage dates from 1938. Most countries now have a statutory pay floor—and the ranks are still swelling. Even Germany, one of the few big countries without, may at last introduce a national one. And in an era of budget austerity and widening inequality, the political temptation to prop up wages at the bottom by fiat may well grow... The most prominent critics of the new research were David Neumark of the University of California at Irvine and William Wascher of the Federal Reserve. They disputed Messrs Card and Krueger’s findings for New Jersey and argued that a comparison of different states over time showed that higher minimum wages hurt jobs.

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