IOW, when the minimum wage goes up, most of it is "taxed" away (mainly by reduced subsidies). dangus has an interesting take on things -- but, essentially, he's right.
More here:
http://www.heritage.org/research/reports/2013/01/effective-marginal-tax-rates-for-low-income-workers-are-high
The bigger concern is the competitive effects of raising the minimum wage. If anything, it should be removed entirely.
And that’s just based on income tax. Add in all the benefits they could lose, and they’re looking at $45,000 before they’re profiting. In Pennsylvania, it could be $65,000!
Meanwhile, with 23 million Americans out of work, McDonald’s is still insisting on importing illegal aliens.