Black market booms? Shadow economy and spending.

• Author: Tuccille, J.D.
• Position: Citings - Brief article

IF AS many Spaniards were unemployed as official figures claim, a 2011 Financial Times article pointed out, "Spain would not be as peaceful as, barring a few demonstrations, it has so far been." Maintaining the peace despite an official unemployment rate of about 20 percent, the authors reported, were jobs and businesses in an untaxed, unregulated black market economy. A similar mismatch can be seen in the United States. Income isn't rising. Neither is credit card debt. Yet consumer spending marches along.

The Census Bureau reports that real median household income dropped 1.5 percent from 2010 to 2011--the second consecutive annual drop. With labor force participation at its lowest rate since 1979, that's par for the course.

But consumer spending is rising. Retail sales were up 1.1 percent in February. The increase cannot be explained by credit card spending. The Federal Reserve Bank reports...