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Stock Volatility in the New Millennium: How Wacky Is Nasdaq?

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G. William Schwert

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Abstract

The recent volatility of stock prices has caused many people to conclude that investors have become irrational in valuing at least some stocks. This paper investigates the behavior of the volatility of stocks on the Nasdaq, which tend to be smaller companies with more growth options, in relation to the more seasoned issues reflected in the Standard & Poor's 500 portfolio. It also analyzes the relation of the unusual Nasdaq volatility to the hot IPO market in 1998 and 1999. The factor that seems to explain unusual volatility best is technology, not firm size or the immaturity of the firm.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 8436.

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Date of creation: Aug 2001
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Handle: RePEc:nbr:nberwo:8436

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Find related papers by JEL classification:
G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies
G12 - Financial Economics - - General Financial Markets - - - Asset Pricing

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  1. Robert Rutledge & Zhaohui Zhang & Khondkar Karim, 2008. "Is There a Size Effect in the Pricing of Stocks in the Chinese Stock Markets?: The Case of Bull Versus Bear Markets," Asia-Pacific Financial Markets, Springer, vol. 15(2), pages 117-133, June. [Downloadable!] (restricted)
  2. Ryan SULEIMANN, 2003. "The Contagion Effect Between the Volatilities of the NASDAQ-100 and the IT.CA :A Univariate and A Bivariate Switching Approach," Econometrics 0307002, EconWPA, revised 18 Jul 2003. [Downloadable!]
  3. William O. Brown & Richard C. K. Burdekin & Marc D. Weidenmier, 2005. "Volatility in an Era of Reduced Uncertainty: Lessons from Pax Britannica," NBER Working Papers 11319, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  4. Bruce Mizrach, 2002. "The Next Tick on Nasdaq: Does Level II Information Matter?," Departmental Working Papers 200202, Rutgers University, Department of Economics. [Downloadable!]
  5. Werner, Thomas & Stapf, Jelena, 2003. "How wacky is the DAX? The changing structure of German stock market volatility," Discussion Paper Series 1: Economic Studies 2003,18, Deutsche Bundesbank, Research Centre. [Downloadable!]
  6. Ryan SULEIMANN, 2003. "Should Stock Market Indexes Time Varying Correlations Be Taken Into Account? A Conditional Variance Multivariate Approach," Econometrics 0307004, EconWPA, revised 18 Jul 2003. [Downloadable!]
  7. Ryan SULEIMANN, 2003. "New Technology Stock Market Indexes Contagion: A VAR-dccMVGARCH Approach," Econometrics 0307003, EconWPA, revised 18 Jul 2003. [Downloadable!]
  8. Michelle Lowry & Micah S. Officer & G. William Schwert, 2006. "The Variability of IPO Initial Returns," NBER Working Papers 12295, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  9. Bekiros, S. & Georgoutsos, D., 2006. "Direction-of-Change Forecasting using a Volatility- Based Recurrent Neural Network," CeNDEF Working Papers 06-16, Universiteit van Amsterdam, Center for Nonlinear Dynamics in Economics and Finance. [Downloadable!]
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  10. F. Pérez de Gracia & J. Cuñado; J. Gómez, 2004. "Financial Liberalization and Emerging Stock Market Volatility," Computing in Economics and Finance 2004 124, Society for Computational Economics. [Downloadable!]
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