Bank run

Depositors clamor to withdraw their savings from a bank in Berlin, 13 July 1931

A bank run (also known as a run on the bank) occurs when, in a fractional-reserve banking system (where banks normally only keep a small proportion of their assets as cash), a large number of customers withdraw cash from deposit accounts with a financial institution at the same time because they believe that the financial institution is, or might become, insolvent; and keep the cash or transfer into other assets, such as government bonds, precious metals or stones. When they transfer funds to another institution it may be characterised as a capital flight. As a bank run progresses, it generates its own momentum: as more people withdraw cash, the likelihood of default increases, and triggering further withdrawals. This can destabilize the bank to the point where it runs out of cash and thus faces sudden bankruptcy.[1] To combat a bank run, a bank may limit how much cash each customer may withdraw, suspend withdrawals altogether, or promptly acquire more cash from other banks or from the central bank, besides other measures.

A banking panic or bank panic is a financial crisis that occurs when many banks suffer runs at the same time, as people suddenly try to convert their threatened deposits into cash or try to get out of their domestic banking system altogether. A systemic banking crisis is one where all or almost all of the banking capital in a country is wiped out.[2] The resulting chain of bankruptcies can cause a long economic recession as domestic businesses and consumers are starved of capital as the domestic banking system shuts down.[3] According to former U.S. Federal Reserve chairman Ben Bernanke, the Great Depression was caused by the Federal Reserve System,[4] and much of the economic damage was caused directly by bank runs.[5] The cost of cleaning up a systemic banking crisis can be huge, with fiscal costs averaging 13% of GDP and economic output losses averaging 20% of GDP for important crises from 1970 to 2007.[2]

Several techniques have been used to try to prevent bank runs or mitigate their effects. They have included a higher reserve requirement (requiring banks to keep more of their reserves as cash), government bailouts of banks, supervision and regulation of commercial banks, the organization of central banks that act as a lender of last resort, the protection of deposit insurance systems such as the U.S. Federal Deposit Insurance Corporation,[1] and after a run has started, a temporary suspension of withdrawals.[6] These techniques do not always work: for example, even with deposit insurance, depositors may still be motivated by beliefs they may lack immediate access to deposits during a bank reorganization.[7]

History

The run on the Montreal City and District Savings Bank. The Mayor addressing the crowd. Printed in 1872 in the Canadian Illustrated News.
Further information: List of bank runs and List of banking crises

Bank runs first appeared as part of cycles of credit expansion and its subsequent contraction. In the 16th century onwards, English goldsmiths issuing promissory notes suffered severe failures due to bad harvests, plummeting parts of the country into famine and unrest. Other examples are the Dutch Tulip manias (1634–1637), the British South Sea Bubble (1717–1719), the French Mississippi Company (1717–1720), the post-Napoleonic depression (1815–1830) and the Great Depression (1929–1939).

Bank runs have also been used to blackmail individuals or governments. In 1832, for example, the British government under the Duke of Wellington overturned a majority government on the orders of the king, William IV, to prevent reform (the later 1832 Reform Act). Wellesley's actions angered reformers, and they threatened a run on the banks under the rallying cry "Stop the Duke, go for gold!".[8]

Many of the recessions in the United States were caused by banking panics. The Great Depression contained several banking crises consisting of runs on multiple banks from 1929 to 1933; some of these were specific to regions of the U.S.[3] Banking panics began in the Upper-South in November 1930, one year after the stock market crash, triggered by the collapse of a string of banks in Tennessee and Kentucky, which brought down their correspondent networks. In December, New York City experienced massive bank runs that were contained to the many branches of a single bank. Philadelphia was hit a week later by bank runs that affected several banks, but were successfully contained by quick action by the leading city banks and the Federal Reserve Bank.[9] Deposit withdrawals became worse after financial conglomerates in New York and Los Angeles failed in prominently-covered scandals.[10] Much of the Depression's economic damage was caused directly by bank runs.[5] Milton Friedman and Anna Schwartz argued that steady withdrawals from banks by nervous depositors ("hoarding") were inspired by news of the fall 1930 bank runs and forced banks to liquidate loans, which directly caused a decrease in the money supply, shrinking the economy.[11] Bank runs continued to plague the United States for the next several years. City-wide runs hit Boston (Dec. 1931), Chicago (June 1931 and June 1932), Toledo (June 1931), and St. Louis (Jan. 1933), among others.[12] Institutions put into place during the Depression have prevented runs on U.S. commercial banks since the 1930s,[13] even under conditions such as the U.S. savings and loan crisis of the 1980s and 1990s.[14] The Depression's bank runs left a lasting mark on the American psyche, exhibited in sometimes disturbing images such as the bleak scenes in the movie It's a Wonderful Life,[15] where the fictional hero George Bailey struggles to keep his Building & Loan open with a crowd of customers demanding their deposits.

The global financial crisis that began in 2007 was centered around market-liquidity failures that were comparable to a bank run. The crisis contained a wave of bank nationalizations, including those associated with Northern Rock of the UK and IndyMac of the U.S. This crisis was caused by low real interest rates stimulating an asset price bubble fuelled by new financial products that were not stress tested and that failed in the downturn.[16]

Theory

A poster for the 1896 Broadway melodrama The War of Wealth depicts a 19th-century bank run in the U.S.

Under fractional-reserve banking, the type of banking currently used in most developed countries, banks retain only a fraction of their demand deposits as cash. The remainder is invested in securities and loans, whose terms are typically longer than the demand deposits, resulting in an asset–liability mismatch. No bank has enough reserves on hand to cope with all deposits being taken out at once.

Diamond and Dybvig developed an influential model to explain why bank runs occur and why banks issue deposits that are more liquid than their assets. According to the model, the bank acts as an intermediary between borrowers who prefer long-maturity loans and depositors who prefer liquid accounts.[1][13] The Diamond-Dybvig model provides an example of an economic game with more than one Nash equilibrium, where it is logical for individual depositors to engage in a bank run once they suspect one might start, even though that run will cause the bank to collapse.[1]

In the model, business investment requires expenditures in the present to obtain returns that take time in coming, for example, spending on machines and buildings now for production in future years. A business or entrepreneur that needs to borrow to finance investment will want to give their investments a long time to generate returns before full repayment, and will prefer long maturity loans, which offer little liquidity to the lender. The same principle applies to individuals and households seeking financing to purchase large-ticket items such as housing or automobiles. The households and firms who have the money to lend to these businesses may have sudden, unpredictable needs for cash, so they are often willing to lend only on the condition of being guaranteed immediate access to their money in the form of liquid demand deposit accounts, that is, accounts with shortest possible maturity. Since borrowers need money and depositors fear to make these loans individually, banks provide a valuable service by aggregating funds from many individual deposits, portioning them into loans for borrowers, and spreading the risks both of default and sudden demands for cash.[1] Banks can charge much higher interest on their long-term loans than they pay out on demand deposits, allowing them to earn a profit.

If only a few depositors withdraw at any given time, this arrangement works well. Barring some major emergency on a scale matching or exceeding the bank's geographical area of operation, depositors' unpredictable needs for cash are unlikely to occur at the same time; that is, by the law of large numbers, banks can expect only a small percentage of accounts withdrawn on any one day because individual expenditure needs are largely uncorrelated. A bank can make loans over a long horizon, while keeping only relatively small amounts of cash on hand to pay any depositors who may demand withdrawals.[1]

However, if many depositors withdraw all at once, the bank itself (as opposed to individual investors) may run short of liquidity, and depositors will rush to withdraw their money, forcing the bank to liquidate many of its assets at a loss, and eventually to fail. If such a bank were to attempt to call in its loans early, businesses might be forced to disrupt their production while individuals might need to sell their homes and/or vehicles, causing further losses to the larger economy.[1] Even so, many if not most debtors would be unable to pay the bank in full on demand and would be forced to declare bankruptcy, possibly affecting other creditors in the process.

A bank run can occur even when started by a false story. Even depositors who know the story is false will have an incentive to withdraw, if they suspect other depositors will believe the story. The story becomes a self-fulfilling prophecy.[1] Indeed, Robert K. Merton, who coined the term self-fulfilling prophecy, mentioned bank runs as a prime example of the concept in his book Social Theory and Social Structure.[17] Mervyn King, governor of the Bank of England, once noted that it may not be rational to start a bank run, but it is rational to participate in one once it had started.[18]

Systemic banking crisis

Bank run during the Great Depression in the United States, 1933.

A bank run is the sudden withdrawal of deposits of just one bank. A banking panic or bank panic is a financial crisis that occurs when many banks suffer runs at the same time, as a cascading failure. In a systemic banking crisis, all or almost all of the banking capital in a country is wiped out; this can result when regulators ignore systemic risks and spillover effects.[2]

Systemic banking crises are associated with substantial fiscal costs and large output losses. Frequently, emergency liquidity support and blanket guarantees have been used to contain these crises, not always successfully. Although fiscal tightening may help contain market pressures if a crisis is triggered by unsustainable fiscal policies, expansionary fiscal policies are typically used. In crises of liquidity and solvency, central banks can provide liquidity to support illiquid banks. Depositor protection can help restore confidence, although it tends to be costly and does not necessarily speed up economic recovery. Intervention is often delayed in the hope that recovery will occur, and this delay increases the stress on the economy.[2]

Some measures are more effective than others in containing economic fallout and restoring the banking system after a systemic crisis.[2][19] These include establishing the scale of the problem, targeted debt relief programs to distressed borrowers, corporate restructuring programs, recognizing bank losses, and adequately capitalizing banks. Speed of intervention appears to be crucial; intervention is often delayed in the hope that insolvent banks will recover if given liquidity support and relaxation of regulations, and in the end this delay increases stress on the economy. Programs that are targeted, that specify clear quantifiable rules that limit access to preferred assistance, and that contain meaningful standards for capital regulation, appear to be more successful. According to IMF, government-owned asset management companies (bad banks) are largely ineffective due to political constraints.[2]

A silent run occurs when the implicit fiscal deficit from a government's unbooked loss exposure to zombie banks is large enough to deter depositors of those banks. As more depositors and investors begin to doubt whether a government can support a country's banking system, the silent run on the system can gather steam, causing the zombie banks' funding costs to increase. If a zombie bank sells some assets at market value, its remaining assets contain a larger fraction of unbooked losses; if it rolls over its liabilities at increased interest rates, it squeezes its profits along with the profits of healthier competitors. The longer the silent run goes on, the more benefits are transferred from healthy banks and taxpayers to the zombie banks.[20] The term is also used when a large number of depositors in countries with deposit insurance draw down their balances below the limit for deposit insurance.[21]

The cost of cleaning up after a crisis can be huge. In systemically important banking crises in the world from 1970 to 2007, the average net recapitalization cost to the government was 6% of GDP, fiscal costs associated with crisis management averaged 13% of GDP (16% of GDP if expense recoveries are ignored), and economic output losses averaged about 20% of GDP during the first four years of the crisis.[2]

Prevention and mitigation

A run on a Bank of East Asia branch in Hong Kong, caused by "malicious rumours" in 2008.

Several techniques have been used to help prevent or mitigate bank runs.

Individual banks

Some prevention techniques apply to individual banks, independently of the rest of the economy.

Systemic techniques

Some prevention techniques apply across the whole economy, though they may still allow individual institutions to fail.

The role of the lender of last resort, and the existence of deposit insurance, both create moral hazard, since they reduce banks' incentive to avoid making risky loans. They are nonetheless standard practice, as the benefits of collective prevention are commonly believed to outweigh the costs of excessive risk-taking.[26]

Techniques to deal with a banking panic when prevention have failed:

Depictions in fiction

The bank panic of 1933 is the setting of Archibald MacLeish's 1935 play, Panic. In addition to the plot of It's a Wonderful Life (1946), other fictional depictions of bank runs include those in American Madness (1932), Mary Poppins (1964) and Noble House (1988).

Arthur Hailey's novel The Moneychangers includes a potentially fatal run on a fictitious US bank.

A run on a bank is one of the many causes of the characters' suffering in Upton Sinclair's The Jungle.

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 Diamond, D. W. (2007). "Banks and liquidity creation: a simple exposition of the Diamond-Dybvig model" (PDF). Fed Res Bank Richmond Econ Q 93 (2): 189–200.
  2. 1 2 3 4 5 6 7 Laeven, L., Valencia, F. (2008). "Systemic banking crises: a new database" (PDF). IMF WP/08/224. International Monetary Fund. Retrieved 2008-09-29.
  3. 1 2 Wicker, E. (1996). The Banking Panics of the Great Depression. Cambridge University Press. ISBN 0-521-66346-6.
  4. http://www.federalreserve.gov/BOARDDOCS/SPEECHES/2002/20021108/
  5. 1 2 Bernanke, B. S. (1983). "Nonmonetary effects of the financial crisis in the propagation of the Great Depression". Am Econ Rev 73 (3): 257–76.
  6. 1 2 Heffernan, S. (2003). "The causes of bank failures". In Mullineux AW, Murinde V. Handbook of international banking. Edward Elgar. pp. 366–402. ISBN 1-84064-093-6.
  7. 1 2 Reckard, E. S., Hsu, T. (2008-09-26). "U.S. engineers sale of WaMu to JPMorgan". Los Angeles Times. Retrieved 2008-09-26.
  8. Gross, David M. (2014). 99 Tactics of Successful Tax Resistance Campaigns. Picket Line Press. p. 176. ISBN 978-1490572741.
  9. Robert L. Fuller, "Phantom of Fear" The Banking Panic of 1933 (2011) 16–22
  10. Richardson, G. (2007). "The collapse of the United States banking system during the Great Depression, 1929 to 1933, new archival evidence" (PDF). Australas Account Bus Finance J 1 (1): 39–50.
  11. Milton Friedman and Anna J. Schwartz, A Monetary History of the United States (1993 ed.) 301–05, 342–46, 351–52
  12. Fuller (2011) 28–31, 66–67, 97–98.
  13. 1 2 Diamond, D. W., Dybvig, P. H. (1983). "Bank runs, deposit insurance, and liquidity" (PDF). J Pol Econ 91 (3): 401–19. doi:10.1086/261155. Reprinted (2000) Fed Res Bank Mn Q Rev 24 (1), 14–23.
  14. Cooper, R., Ross, T. W. (2002). "Bank runs: deposit insurance and capital requirements". Int Econ Rev 43 (1): 55–72. doi:10.1111/1468-2354.t01-1-00003.
  15. Maland, C. J. (1998). "Capra and the abyss: self-interest versus the common good in Depression America". In Sklar R, Zagarrio V. Frank Capra: Authorship and the Studio System. Temple University Press. pp. 95–129. ISBN 1-56639-608-5.
  16. Barrell, R., Davis, E. P. (2008). "The evolution of the financial crisis of 2007–8". Natl Inst Econ Rev 206 (1): 5–14. doi:10.1177/0027950108099838.
  17. Merton, R. K. (1968) [1949]. Social Theory and Social Structure (enlarged ed.). New York: Free Press. p. 477. ISBN 978-0-02-921130-4. OCLC 253949.
  18. "The only way to stop a eurozone bank run". Financial Times.
  19. Lietaer, B., Ulanowicz, R., Goerner, S. (2008). "Options for managing a systemic bank crisis". S.A.P.I.EN.S 1 (2).
  20. Kane, E. J. (2000). "Capital movements, banking insolvency, and silent runs in the Asian financial crisis". Pac-Basin Finance J 8 (2): 153–75. doi:10.1016/S0927-538X(00)00009-3.
  21. Rothacker, Rick. $5 billion withdrawn in one day in silent run. The Charlotte Observer, 2008-10-11
  22. 1 2 3 4 Zoe Chase (2012-06-11). "Three Ways To Stop A Bank Run". NPR.
  23. 1 2 Chana Joffe-Walt (2009-03-26). "Anatomy Of A Bank Takeover". NPR.
  24. Allen, W. R. (1993). "Irving Fisher and the 100 percent reserve proposal". J Law Econ 36 (2): 703–17. doi:10.1086/467295.
  25. Fernandez, R., Schumacher, L. (eds.) (1997). "Does Argentina provide a case for narrow banking?" (PDF). In Bery SK, Garcia VF (eds.). Preventing Banking Sector Distress and Crises in Latin America. World Bank Discussion Paper No. 360,. pp. 21–46. ISBN 0-8213-3893-5.
  26. Brusco, S., Castiglionesi, F. (2007). "Liquidity coinsurance, moral hazard, and financial contagion". J Finance 62 (5): 2275–302. doi:10.1111/j.1540-6261.2007.01275.x.

Further reading

External links

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