$2 Trillion Underground Economy
![$2 Trillion Underground Economy](/media/1074/taxing-subjects-archives.jpg?anchor=center&mode=crop&width=1024&height=576&rnd=131659502540000000)
Estimates are that underground activity last year totaled as much as $2 trillion, according to a study by Edgar Feige, an economist at the University of Wisconsin-Madison. That's double the amount in 2009, according to a study by...…