Now Roubini is warning that the staggering amounts of debt held by individuals, businesses, and the government will soon lead to the "mother of all economic crises."

Roubini properly blames the creation of a debt-based economy on the near-or-at-zero interest rate and quantitative easing policies pursued by the Federal Reserve and other central banks. The inevitable result of the zero-interest and quantitative easing policies is price inflation wreaking havoc on the American people.

The Fed has been trying to eliminate price inflation with a series of interest rate increases. So far, these rate increases have not significantly reduced price inflation. This is because rates remain at historic lows. Yet the rate increases have had negative economic effects, including a decline in the demand for new homes. Increasing interest rates make it impossible for many middle- and working-class Americans to afford a monthly mortgage payment for even a relatively inexpensive home.