Research suggests that a minimum wage set as high as $12 an hour will do more good than harm for low-wage workers, but a $15-an-hour national minimum wage would put us in uncharted waters, and risk undesirable and unintended consequences.

(via The Minimum Wage: How Much Is Too Much? - The New York Times)

Krueger and Card are the authors of the seminal study that suggests that raising the minimum wage doesn’t necessarily reduce employment. He thinks $15/hr is too high. Too many people quoting that study are unaware the authors think $15/hr is too high.