Some of the most careful and convincing empirical research on the employment effects of minimum wages has been done by David Neumark and William Wascher.

FORBES: Resources on the Minimum Wage

Other studies though, particularly those by David Neumark of the University of California at Irvine and William Wascher at the Federal Reserve, consistently found the opposite.

ECONOMIST: The minimum wage

Not surprisingly, their results were overturned by more careful research that found an adverse effect on employment (see David Neumark and William Wascher, American Economic Review, 2000).

FORBES: The Minimum Wage Delusion, And The Death Of Common Sense