In July, 2009, the U.S. Federal minimum wage was increased from $6.55 to $7.25. Individuals in some states were unaffected by this increase, since the state minimum wage already exceeded $7.25. We use this variation to make comparisons of the employment of “at-risk” workers with their peers...

In July, 2009, the U.S. Federal minimum wage was increased from $6.55 to $7.25. Individuals in some states were unaffected by this increase, since the state minimum wage already exceeded $7.25 and the state minimum was not increased further. We use this variation, as well as variation in the...