And I don't think Social Security is the only Ponzi scheme still in operation today. I found it amusing that during George W. Bush's presidential term he pushed legislation for younger workers to put money into the stock market rather than Social Security. I think he wanted younger workers to put their money into one of the biggest Ponzi schemes of all: the stock market. In the stock market, investors only make money as long as stock prices rise— as long as new money is being pumped into the market. If money is pulled out of the marker, stock prices fall and investors lose their money.
This is why knowing the difference between capital gains and cash flow is important. All Ponzi schemes are based on capital gains. For prices to go up, new money must come in. That is why I consider the stock market to be a Ponzi scheme. If no new money comes in, the market crashes. The same is true with real estate or the bond markets. As long as cash flows in, the Ponzi scheme of capital gains keeps the boats floating. But if people want their cash back, prices drop, and there is not enough to pay everyone back.
— Robert Kiyosaki; Rich Dad's Conspiracy of The Rich