There are many reasons for people to take their money off the grid, as this article points out. Not least of them is the measly yield one can expect on funds deposited with banks.
The underground or “black” economy is rapidly rising, and the fault is mainly due to government policies.
Here is the evidence. The Federal Deposit Insurance Corp. (FDIC) released a report last week concluding that 7.7 percent of U.S. households, containing at least 17 million adults, are unbanked (i.e. those who do not have bank accounts), and an “estimated 17.9 percent of U.S. households, roughly 21 million, are underbanked” (i.e., those who rely heavily on nonbank institutions, such as check cashing and money transmitting services). As an economy becomes richer and incomes rise, the normal expectation is that the proportion of the unbanked population falls and does not rise as is now happening in the United States.
Read more at The Washington Times.