Labour markets劳动力市场.doc

Labour markets
Minimum human wages
Feb 15th 2013, 13:35 by . | WASHINGTON
IN HIS State of the Union speech Barack with the minimum wage.
Messrs Neumark and Wascher still demur. They have published stacks of studies (and a book) purporting to show that minimum wages hit jobs. In a forthcoming paper they defend their methods and argue that the evidence still favours their view. But even they are no longer blanket opponents. In a 2011 paper they pointed out that a higher minimum wage along with the Earned Income Tax Credit (which tops up income for poor workers in America) boosted both employment and earnings for single women with children (though it cost less-skilled, minority men jobs).
Britain’s experience offers another set of insights. The country’s national minimum wage was introduced at 46% of the median wage, slightly higher than America’s. A lower floor applied to young people. Both are adjusted annually on the advice of the Low Pay Commission. Before the law took effect, worries about potential damage to employment were widespread. Yet today the consensus is that Britain’s minimum wage has done little or no harm.
The most striking impact of Britain’s minimum wage has been on the spread of wages. Not only has it pushed up pay for the bottom 5% of workers, but it also seems to have boosted earnings further up the income scale—and thus reduced wage inequality. Wag