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Measuring downside risk and severity for global output

Listed author(s):
  • Yudong Yao

    (International Capital Market Department, International Monetary Fund, Washington, DC, USA)

  • Yan Wang

    (The World Bank, Washington DC 20433, USA)

Registered author(s):

This paper attempts to provide a critical measure of downside risk and severity for global output by applying the Value at Risk approach to four country groups in the world as a 'portfolio'. Global output downside risk, measured by global Growth at Risk (GaR), estimates the worst possible growth decline, relative to the baseline projection, with a specified probability over a given time horizon. This measure serves as a practical summary for predicting the risk for output downturn given a one-year time horizon, based on the past growth distribution of individual countries and correlation among their growth rates. Our empirical estimates show that the downside risk that the world economy faced in 2002 was not as severe as the last global downturn in 1992-1993. In particular, the global GaR estimates that the worst outcome of the global economy in 2002, at 95% confidence level, was a growth rate of 0.34%. Copyright © 2007 John Wiley & Sons, Ltd.

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File URL: http://hdl.handle.net/10.1002/for.1004
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Article provided by John Wiley & Sons, Ltd. in its journal Journal of Forecasting.

Volume (Year): 26 (2007)
Issue (Month): 1 ()
Pages: 23-32

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Handle: RePEc:jof:jforec:v:26:y:2007:i:1:p:23-32
DOI: 10.1002/for.1004
Contact details of provider: Web page: http://www3.interscience.wiley.com/cgi-bin/jhome/2966

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  1. Ramey, Garey & Ramey, Valerie A, 1995. "Cross-Country Evidence on the Link between Volatility and Growth," American Economic Review, American Economic Association, vol. 85(5), pages 1138-1151, December.
  2. Rodrik, Dani, 1999. "Where Did All the Growth Go? External Shocks, Social Conflict, and Growth Collapses," Journal of Economic Growth, Springer, vol. 4(4), pages 385-412, December.
  3. Easterly, William & Kremer, Michael & Pritchett, Lant & Summers, Lawrence H., 1993. "Good policy or good luck?: Country growth performance and temporary shocks," Journal of Monetary Economics, Elsevier, vol. 32(3), pages 459-483, December.
  4. Paul H. Kupiec, 1995. "Techniques for verifying the accuracy of risk measurement models," Finance and Economics Discussion Series 95-24, Board of Governors of the Federal Reserve System (U.S.).
  5. Abdelhak Senhadji, 2000. "Sources of Economic Growth: An Extensive Growth Accounting Exercise," IMF Staff Papers, Palgrave Macmillan, vol. 47(1), pages 1-6.
  6. Dan Ben-David & David H. Papell, 1998. "Slowdowns And Meltdowns: Postwar Growth Evidence From 74 Countries," The Review of Economics and Statistics, MIT Press, vol. 80(4), pages 561-571, November.
  7. Easterly, William, 2001. "The Lost Decades: Developing Countries' Stagnation in Spite of Policy Reform 1980-1998," Journal of Economic Growth, Springer, vol. 6(2), pages 135-157, June.
  8. Ben-David, Dan & Papell, David H., 1995. "The great wars, the great crash, and steady state growth: Some new evidence about an old stylized fact," Journal of Monetary Economics, Elsevier, vol. 36(3), pages 453-475, December.
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