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1920 photo of Charles Ponzi, the namesake of the scheme, while still working as a businessman in his office in Boston

A Ponzi scheme (/ˈpɒn.zi/; also a Ponzi game)[1] is a fraudulent investment operation where the operator generates returns for older investors through revenue paid by new investors, rather than from legitimate business activities. Operators of Ponzi schemes can be either individuals or corporations, and grab the attention of new investors by offering short-term returns that are either abnormally high or unusually consistent.

Companies that engage in Ponzi schemes focus all of their energy into attracting new clients to make investments. Ponzi schemes rely on a constant flow of new investments to continue to provide returns to older investors. When this flow runs out, the scheme falls apart.[2]

The scheme is named after Charles Ponzi,[3] who became notorious for using the technique in the 1920s.[4] The idea, present in novels (for example, Charles Dickens' 1844 novel Martin Chuzzlewit and 1857 novel Little Dorrit each described such a scheme),[5] was performed in real life by Ponzi, and became well known throughout the United States because of the huge amount of money he took in. Ponzi's original scheme was based on the arbitrage of international reply coupons for postage stamps; however, he soon diverted investors' money to make payments to earlier investors and himself.[6]



Typically, Ponzi schemes require an initial investment and promise well-above-average returns.[7] They use vague verbal guises such as "hedge futures trading", "high-yield investment programs", or "offshore investment" to describe its income strategy. It's common for the promoter to take advantage of a lack of investor knowledge or competence, or sometimes claim to use a proprietary, secret investment strategy in order to avoid giving information about the scheme.

Initially, the promoter will pay high returns to attract investors and entice current investors to invest more money. When other investors begin to participate, a cascade effect begins. The "return" to the initial investors is paid by the investments of new participants, rather than from profits of the product.

Often, high returns encourage investors to leave their money within the scheme, so the operator does not actually have to pay very much to investors. He simply sends statements showing how much they have earned, which maintains the deception that the scheme is an investment with high returns. Investors within a Ponzi scheme may even face dificulties when trying to get their money out of the investment.

Promoters also try to minimize withdrawals by offering new plans to investors where money cannot be withdrawn for a certain period of time in exchange for higher returns. The promoter sees new cash flows as investors cannot transfer money. If a few investors do wish to withdraw their money in accordance with the terms allowed, their requests are usually promptly processed, which gives the illusion to all other investors that the fund is solvent, or financially sound.

Ponzi schemes sometimes commence operations as legitimate investment vehicles, such as hedge funds. Hedge funds can easily degenerate into a Ponzi-type scheme if they unexpectedly lose money or fail to legitimately earn the returns expected. If the promoters fabricate false returns or produce fraudulent audit reports instead of admitting their failure to meet expectations, the operation is a Ponzi scheme.

A wide variety of investment vehicles or strategies, typically legitimate, have become the basis of Ponzi schemes. For instance, Allen Stanford used bank certificates of deposit to defraud tens of thousands of people. Certificates of deposit are usually low-risk and insured instruments, but the Stanford CDs were fraudulent.[8]

Unraveling of a Ponzi schemeEdit

If a Ponzi scheme is not stopped by authorities, it soon falls apart for one of the following reasons:[6]

  1. The promoter vanishes, taking all the remaining investment money.
  2. Since the scheme requires a continual stream of investments to fund higher returns, once investment slows down, the scheme collapses as the promoter starts having problems paying the promised returns (the higher the returns, the greater the risk of the Ponzi scheme collapsing). Such liquidity crises often trigger panics, as more people start asking for their money, similar to a bank run.
  3. External market forces, such as a sharp decline in the economy (for example, the Madoff investment scandal during the market downturn of 2008), cause many investors to withdraw part or all of their funds.

Similar schemesEdit

  • A pyramid scheme is a form of fraud similar in some ways to a Ponzi scheme, relying as it does on a mistaken belief in a nonexistent financial reality, including the hope of an extremely high rate of return. However, several characteristics distinguish these schemes from Ponzi schemes:[6]
    • In a Ponzi scheme, the schemer acts as a "hub" for the victims, interacting with all of them directly. In a pyramid scheme, those who recruit additional participants benefit directly. (In fact, failure to recruit typically means no investment return.)
    • A Ponzi scheme claims to rely on some esoteric investment approach and often attracts well-to-do investors, whereas pyramid schemes explicitly claim that new money will be the source of payout for the initial investments.[9]
    • A pyramid scheme typically collapses much faster because it requires exponential increases in participants to sustain it. By contrast, Ponzi schemes can survive simply by persuading most existing participants to reinvest their money, with a relatively small number of new participants.[10][11]
  • An economic bubble: A bubble is similar to a Ponzi scheme in that one participant gets paid by contributions from a subsequent participant (until inevitable collapse). A bubble involves ever-rising prices in an open market (for example stock, housing, or tulip bulbs) where prices rise because buyers bid more, and buyers bid more because prices are rising. Bubbles are often said to be based on the "greater fool" theory. As with the Ponzi scheme, the price exceeds the intrinsic value of the item, but unlike the Ponzi scheme:
    • In most economic bubbles, there is no single person or group misrepresenting the intrinsic value. A common exception is a pump and dump scheme (typically involving buyers and holders of thinly-traded stocks), which has much more in common with a Ponzi scheme compared to other types of bubbles.
    • Whereas Ponzi schemes will typically result in criminal charges after they are discovered by the authorities, other than pump and dump schemes economic bubbles do not typically involve unlawful activity, or even bad faith on the part of any participant. Laws are only broken if someone is perpetuating the bubble by knowingly and deliberately making misrepresentions to inflate the value of an item (as with a pump and dump scheme). Even when this occurs, wrongdoing (and especially criminal activity) is often much more difficult to prove in court compared to a Ponzi scheme. Therefore, the collapse of an economic bubble rarely results in criminal charges (which require proof beyond a reasonable doubt to secure a conviction) and, even when charges are pursued, they are often against corporations, which can be easier to pursue in court compared to charges against people but which also can only result in fines as opposed to jail time. The much more commonly-pursued legal recourse in situations where an economic bubble is suspected to be the result of some form of nefarious activity is to sue for damages in civil court, where the standard of proof is only balance of probabilities and where mens rea does not need to be demonstrated.
    • Following the collapse of a Ponzi scheme, even the "innocent" beneficiaries (including anyone who unwittingly profited without being aware of the fraudulent nature of the scheme as well as the recipients of charitable donations from the perpetrators while the scheme was in operation) will be liable to repay any such profits or donations for distribution to the victims. This typically does not happen in the case of an economic bubble, especially if it cannot be proven that the bubble was caused by anyone acting in bad faith.
    • Items traded in an economic bubble are much more likely to have an intrinsic value that is worth a substantial proportion of the market price. Therefore, following collapse of an economic bubble (especially one in a commodity such as real estate) the items affected will often retain some value, whereas an investment that is part of a Ponzi scheme will typically be worthless (or very close to worthless). On the other hand, it is much easier to obtain financing for many items that are the frequent subject of bubbles. If an investor trading on margin or borrowing to finance investments becomes the victim of a bubble, he or she can still lose all (or a very substantial portion) of his or her investment capital, or even be liable for losses in excess of the original capital investment.

See alsoEdit


  1. ^ "Ponzi". Retrieved 17 May 2016. 
  2. ^ Staff, Investopedia (2003-11-25). "Ponzi Scheme". Investopedia. Retrieved 2017-06-11. 
  3. ^ "Ponzi Schemes". US Social Security Administration. Retrieved 24 December 2008. 
  4. ^ Peck, Sarah (2010), Investment Ethics, John Wiley and Sons, p. 5, ISBN 978-0-470-43453-6 
  5. ^ Markopolos, Harry; Casey, Frank (2010), No One Would Listen: A True Financial Thriller, John Wiley and Sons, p. 50, ISBN 978-0-470-55373-2 
  6. ^ a b c "Ponzi Schemes – Frequently Asked Questions". U.S Securities and Exchange Commission. U.S Securities and Exchange Commission. Retrieved 23 June 2012. 
  7. ^ "What is a Ponzi scheme?". Mijiki. Retrieved 23 June 2012. 
  8. ^ Kurdas, Chidem (2012), Political Sticky Wicket: The Untouchable Ponzi Scheme of Allen Stanford 
  9. ^ Zuckoff, Mitchell (10 January 2006). Ponzi's scheme - the true story of a financial legend. New York: Random House Trade Paperbacks. ISBN 0812968360. 
  10. ^ "Book reading by Mitchell Zuckoff at olsson's Books and Records, Washington D.C.". The Film Archives. 
  11. ^ "Mista Rahaa Nopeasti".  Tuesday, 23 May 2017

Further readingEdit

  • Dunn, Donald (2004). Ponzi: The Incredible True Story of the King of Financial Cons (Library of Larceny) (Paperback). New York: Broadway. ISBN 0-7679-1499-6. 
  • Frankel, Tamar (2012). The Ponzi Scheme Puzzle: A History and Analysis of Con Artists and Victims. USA: Oxford University Press. ISBN 0199926611. 
  • Schneps, Leila & Colmez, Coralie (2013). Math on trial. How numbers get used and abused in the courtroom. Basic Books. ISBN 978-0-465-03292-1.  (Eighth chapter: "Math error number 8: underestimation. The case of Charles Ponzi: American dream, American scheme").
  • Zuckoff, Mitchell (2005). Ponzi’s Scheme: The True Story of a Financial Legend. New York: Random House. ISBN 1-4000-6039-7. 

External linksEdit

  • Ponzi Schemes FAQ Information and advice from the US Securities and Exchange Commission
  • Fraud Awareness and Prevention Information about spotting fraud from the US Commodities Futures Trading Commission
  • Ponzimonium Free e-book about Ponzi schemes from the US Commodity Futures Trading Commission