Finance:Great Moderation

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Short description: Phenomenon in economies of developed nations since the mid-1980s
US annualized real GDP growth from 1950 to 2016

The Great Moderation is a period in the United States of America starting from the mid-1980s until at least 2007 characterized by the reduction in the volatility of business cycle fluctuations in developed nations compared with the decades before. It is believed to be caused by institutional and structural changes, particularly in central bank policies, in the second half of the twentieth century.[1][2]

Sometime during the mid-1980s major economic variables such as real gross domestic product growth, industrial production, monthly payroll employment and the unemployment rate began to decline in volatility.[3] During this period, growth in price levels dropped substantially whilst hourly compensation continued to increase,[4] and interest rates started to fall. The period also saw a large increase in household net wealth and income, whilst wealth inequality increased along various measures.[5]

Ben Bernanke and others in the US Federal Reserve (the Fed) claim that the Great Moderation is primarily due to greater independence of the central banks from political and financial influences which has allowed them to follow macroeconomic stabilisation, by measures such as following the Taylor rule.[3][6] Additionally, economists believe that information technology and greater flexibility in working practices contributed to increasing macroeconomic stability.[7]

The term was coined in 2002 by James Stock and Mark Watson to describe the observed reduction in business cycle volatility.[8] There is a debate pertaining to whether the Great Moderation ended with the late-2000s economic and financial crisis, or if it continued beyond this date with the crisis being an anomaly.[9][10]

Origins of the term

The term "great moderation" was coined by James Stock and Mark Watson in their 2002 paper, "Has the Business Cycle Changed and Why?"[11] It was brought to the attention of the wider public by Ben Bernanke (then member and later chairman of the Board of Governors of the Federal Reserve) in a speech at the 2004 meetings of the Eastern Economic Association.[3][12]

Causes

Central bank independence

Since the Treasury–Fed Accord of 1951, the US Federal Reserve (fed) was freed from the constraints of fiscal influence and gave way to the development of modern monetary policy. According to John B. Taylor, this allowed the Federal Reserve to abandon discretionary macroeconomic policy by the US Federal government to set new goals that would better benefit the economy.[13] The span of the Great Moderation coincides with the tenure of Alan Greenspan as Fed chairman: 1987-2006.

Taylor Rule

According to the Federal reserves, following the Taylor rule results in less policy instability, which should reduce macroeconomic volatility.[2] The rule prescribed setting the bank rate based on three main indicators: the federal funds rate, the price level and the changes in real income.[14] The Taylor rule also prescribes economic activity regulation by choosing the federal funds rate based on the inflation gap between desired (targeted) inflation rate and actual inflation rate; and the output gap between the actual and natural level.

In an American Economic Review paper, Troy Davig and Eric Leeper stated that the Taylor principle is countercyclical in nature and a "very simple rule [that] does a good job of describing Federal Reserve interest-rate decisions". They argued that it is designed for "keeping the economy on an even keel", and that following the Taylor principle can produce business cycle stabilization and crisis stabilization.[15]

However, since the 2000s the actual interest rate in advanced economies, especially in the US, was below that suggested by the Taylor rule.[16]

Structural economic changes

A change in economic structure shifted away from manufacturing, an industry considered less predictable and more volatile. The Sources of the Great Moderation by Bruno Coric supports the claim of drastic labor market changes, noting a high "increase in temporary workers, part time workers and overtime hours".[7] In addition to a change in the labor market, there were behavioral changes in how corporations managed their inventories. With improved sales forecasting and inventory management, inventory costs became much less volatile, increasing corporation stability.[citation needed]

Technology

Advances in information technology and communications increased corporation efficiency. The improvement in technology changed the entire way corporations managed their resources as information became much more readily available to them with inventions such as the barcode.[17]

Information technology introduced the adoption of the "just-in-time" inventory practices. Demand and inventory became easier to track with advancements in technology, corporations were able to reduce stocks of inventory and their carrying costs more immediately, both of which resulted in much less output volatility.[7]

Good luck

There is a debate pertaining to whether the macroeconomic stabilization of the Great Moderation occurred due to good luck or due to monetary policies.

Researchers at the US Federal Reserve and the European Central Bank have rejected the "good luck" explanation, and attribute it mainly to monetary policies.[3][18][19] There were many large economy crises — such as the Latin American debt crisis of the 1980s, the failure of Continental Illinois Bank in 1984, the stock market crash of 1987, the Asian financial crisis in 1997, the collapse of Long-Term Capital Management in 1998, and the dot-com crash in 2000 — that did not greatly destabilize the US economy during the Great Moderation.[20]

Stock and Watson used a four variable vector autoregression model to analyze output volatility and concluded that stability increased due to economic good luck. Stock and Watson believed that it was pure luck that the economy didn't react violently to the economic shocks during the Great Moderation. While there were numerous economic shocks, there is very little evidence that these shocks are as large as prior economic shocks.[7]

Effects

Research has indicated that the US monetary policy that contributed to the drop in the volatility of US output fluctuations also contributed to the decoupling of the business cycle from household investments characterized the Great Moderation.[6] The latter became the toxic assets that caused the Great Recession.[21][22]

According to Hyman Minsky the great moderation enabled a classic period of financial instability, with stable growth encouraging greater financial risk taking.[23]

End

It is now commonly assumed that the late-2000s economic and financial crisis brought the Great Moderation period to an end, as was initially argued by some economists such as John Quiggin.[9] Richard Clarida at PIMCO considered the Great Moderation period to have been roughly between 1987 and 2007, and characterised it as having "predictable policy, low inflation, and modest business cycles".[24]

However, before the Covid-19 pandemic, the US real GDP growth rate, the real retail sales growth rate, and the inflation rate had all returned to roughly what they were before the Great Recession. Todd Clark has presented an empirical analysis which claims that volatility, in general, has returned to the same level as before the Great Recession. He concluded that while severe, the 2007 recession will in future be viewed as a temporary period with a high level of volatility in a longer period where low volatility is the norm, and not as a definitive end to the Great Moderation.[25][26]

However, the decade following Great Recession had some key differences with the economy of the Great Moderation. The economy had a much larger debt overhead. This led to a much slower economic recovery, the slowest since the Great Depression.[27] Despite the low volatility of the economy, few would argue that the 2009-2020 economic expansion, which was the longest on record,[28] was carried out under Goldilocks economic conditions. Andrea Riquier dubs the post-Great Recession period as the "Great Stability".[29]

See also

References

  1. ↑ Baker, Gerard (2007-01-19). "Welcome to 'the Great Moderation'". The Times (London: Times Newspapers). ISSN 0140-0460. http://www.timesonline.co.uk/tol/comment/columnists/article1294376.ece. 
  2. ↑ 2.0 2.1 Hakkio, Craig (November 22, 2013). "The Great Moderation | Federal Reserve History". https://www.federalreservehistory.org/essays/great_moderation. 
  3. ↑ 3.0 3.1 3.2 3.3 Bernanke, Ben (February 20, 2004). "The Great Moderation". federalreserve.gov. http://www.federalreserve.gov/BOARDDOCS/SPEECHES/2004/20040220/default.htm. 
  4. ↑ "U.S. Bureau of Labor Statistics, Nonfarm Business Sector: Real Hourly Compensation for All Employed Persons [COMPRNFB, retrieved from FRED, Federal Reserve Bank of St. Louis; May 4, 2022."]. https://fred.stlouisfed.org/series/COMPRNFB. 
  5. ↑ "Pew Research; Trends in Income and Wealth Inequality, January 9, 2020". https://www.pewresearch.org/social-trends/2020/01/09/trends-in-income-and-wealth-inequality/. 
  6. ↑ 6.0 6.1 Federal Reserve Bank of Chicago, Monetary Policy, Output Composition and the Great Moderation, June 2007
  7. ↑ 7.0 7.1 7.2 7.3 Ćorić, Bruno. "The Sources Of The Great Moderation: A Survey." Challenges Of Europe: Growth & Competitiveness – Reversing Trends: Ninth International Conference Proceedings: 2011 (2011): 185–205. Business Source Complete. Web. 15 March 2014.
  8. ↑ "PIMCO - Global Perspectives July 2010 New Normal". http://www.pimco.com/LeftNav/Global+Markets/Global+Perspectives/2010/Global+Perspectives+July+2010+New+Normal.htm. 
  9. ↑ 9.0 9.1 Quiggin, John (2009). "Refuted economic doctrines #3: The Great Moderation". Crooked Timber. http://johnquiggin.com/index.php/archives/2009/01/05/refuted-economic-doctrines-3-the-great-moderation/. 
  10. ↑ "What was the Great Moderation, and was it really great?" (in en). https://www.weforum.org/agenda/2015/11/what-was-the-great-moderation-and-was-it-really-great/. 
  11. ↑ Stock, James; Mark Watson (2002). "Has the business cycle changed and why?". NBER Macroeconomics Annual 17: 159–218. doi:10.1086/ma.17.3585284. https://www.nber.org/chapters/c11075.pdf. 
  12. ↑ "Origins of 'The Great Moderation'". The New York Times. 23 January 2008. https://www.nytimes.com/2008/01/23/business/23leonside.html?ref=business. 
  13. ↑ Taylor, John (2011). "The Cycle of Rules and Discretion in Economic Policy". National Affairs (7). http://nationalaffairs.com/publications/detail/the-cycle-of-rules-and-discretion-in-economic-policy. 
  14. ↑ John B. Taylor, Discretion versus policy rules in practice (1993), Stanford University, y, Stanford, CA 94905
  15. ↑ Davig, Troy and Leeper, Eric M. "Generalizing the Taylor Principle." American Economic Review. 97.3 (2007): 607–635. Print.
  16. ↑ Boris Hofmann, Taylor rules and monetary policy: a global “Great Deviation”? (September 2012)
  17. ↑ Summers, P. M. (2005). ‘What Caused The Great Moderation? Some Cross-Country Evidence’, Federal Reserve Bank of Kansas City Economic Review, 3, pp. 5–32.
  18. ↑ Summers, Peter M (2005). "What caused the Great Moderation? Some cross-country evidence". Economic Review Federal Reserve Bank of Kansas City 90. http://www.kc.frb.org/Publicat/ECONREV/PDF/3q05summ.pdf. Retrieved 15 April 2011. 
  19. ↑ Giannone, Domenico; M Lenza (February 2008). "Explaining the great moderation: It is not the shocks". European Central Bank Working Paper Series 6 (2–3): 621–633. doi:10.1162/JEEA.2008.6.2-3.621. 
  20. ↑ Hakkio, Craig S.. "The Great Moderation – A detailed essay on an important event in the history of the Federal Reserve.". federalreservehistory. http://www.federalreservehistory.org/Events/DetailView/65. 
  21. ↑ Pettifor, Ann (September 16, 2008). "America's financial meltdown: lessons and prospects". openDemocracy. http://www.opendemocracy.net/article/america-s-financial-meltdown-lessons-and-prospects. 
  22. ↑ Karlsson, Stefan (November 8, 2004). "America's Unsustainable Boom". Mises Institute. https://www.mises.org/story/1670. 
  23. ↑ John Cassidy, The Minsky Moment. Subprime mortgage crisis and possible recession, New Yorker, February 4, 2008.
  24. ↑ "PIMCO - Global Perspectives July 2010 New Normal". http://www.pimco.com/LeftNav/Global+Markets/Global+Perspectives/2010/Global+Perspectives+July+2010+New+Normal.htm. 
  25. ↑ Hakkio, Craig S.. "The Great Moderation – A detailed essay on an important event in the history of the Federal Reserve.". federalreservehistory. http://www.federalreservehistory.org/Events/DetailView/65. 
  26. ↑ Clark, Todd E. "Is the Great Moderation Over? An Empirical Analysis". FEDERAL RESERVE BANK OF KANSAS CITY. http://www.kansascityfed.org/PUBLICAT/ECONREV/pdf/09q4Clark.pdf. 
  27. ↑ Luhby, Heather Long and Tami (2016-10-05). "Yes, this is the slowest U.S. recovery since WWII". https://money.cnn.com/2016/10/05/news/economy/us-recovery-slowest-since-wwii/index.html. 
  28. ↑ Li, Yun (2019-07-02). "This is now the longest US economic expansion in history" (in en). https://www.cnbc.com/2019/07/02/this-is-now-the-longest-us-economic-expansion-in-history.html. 
  29. ↑ Riquier, Andrea. "Has the 'Great Moderation' returned — and is that a good thing?" (in en-US). https://www.marketwatch.com/story/has-the-great-moderation-returned-and-is-that-a-good-thing-2020-02-06. 

Further reading

  • Bean, Charles. (2010) "The great moderation, the great panic, and the great contraction." Journal of the European Economic Association 8.2-3 (2010): 289-325 online.
  • Bernanke, Ben. (2004) "The great moderation" in Taylor Rule and the Transformation of Monetary Policy ed by Evan F. Koenig (Hoover Institute Press). online
  • Davis, Steven J., and James A. Kahn. "Interpreting the great moderation: Changes in the volatility of economic activity at the macro and micro levels." Journal of Economic perspectives 22.4 (2008): 155-80 online.
  • Galí, Jordi, and Luca Gambetti. (2009) "On the sources of the great moderation." American Economic Journal: Macroeconomics 1.1 (2009): 26-57. online
  • Summers, Peter M. "What caused the Great Moderation? Some cross-country evidence." Economic Review-Federal Reserve Bank of Kansas City 90.3 (2005): 5+ online

External links



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