Things will be even worse if a 24 percent increase in the cash minimum wage is heaped on top of it.

FORBES: The Cruel Things President Obama Is Doing To The Labor Market

Some of the lower-skilled workers who would lose out in a higher-entry-wage environment might be absorbed, off the books, by the cash-in-hand labor market.

FORBES: The Awful Minimum Wage

The origins of this go back to WWII, when companies tried to get around wage controls by offering workers fringe benefits in lieu of cash.

FORBES: Fact and Comment