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The Valuation and Market Rationality of Internet Stock Prices

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  • Eli Ofek
  • Matthew Richardson

Abstract

This paper provides an analysis of some existing as well as new evidence of the relation between market prices and fundamentals in the Internet sector over the period January 1998 to February 2000. Appealing to results across a broad class of outcomes, we demonstrate a strong, circumstantial case against market rationality. In particular, we investigate (i) the level of Internet stock prices given their underlying fundamentals, (ii) responses of stock prices to information-based events, and (iii) the volatility of Internet prices. We review several potential explanations of these phenomena, including one based on heterogeneous beliefs across investors who are subject to short sales constraints. We provide a discussion of the empirical evidence supporting this latter explanation. Copyright 2002, Oxford University Press.

Suggested Citation

  • Eli Ofek & Matthew Richardson, 2002. "The Valuation and Market Rationality of Internet Stock Prices," Oxford Review of Economic Policy, Oxford University Press, vol. 18(3), pages 265-287.
  • Handle: RePEc:oup:oxford:v:18:y:2002:i:3:p:265-287
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    Cited by:

    1. Goldfarb, Brent & Kirsch, David & Miller, David A., 2007. "Was there too little entry during the Dot Com Era?," Journal of Financial Economics, Elsevier, vol. 86(1), pages 100-144, October.
    2. Aharon, David Y. & Gavious, Ilanit & Yosef, Rami, 2010. "Stock market bubble effects on mergers and acquisitions," The Quarterly Review of Economics and Finance, Elsevier, vol. 50(4), pages 456-470, November.
    3. Bergman, Nittai K. & Jenter, Dirk, 2007. "Employee sentiment and stock option compensation," Journal of Financial Economics, Elsevier, vol. 84(3), pages 667-712, June.
    4. Boswijk, H. Peter & Hommes, Cars H. & Manzan, Sebastiano, 2007. "Behavioral heterogeneity in stock prices," Journal of Economic Dynamics and Control, Elsevier, vol. 31(6), pages 1938-1970, June.
    5. Orléan, André, 2015. "La valeur économique comme fait social : la preuve par les évaluations boursières," Revue de la Régulation - Capitalisme, institutions, pouvoirs, Association Recherche et Régulation, vol. 18.
    6. Jonathan Temple, 2002. "An Assessment of the New Economy," Bristol Economics Discussion Papers 02/542, Department of Economics, University of Bristol, UK.
    7. Lisi Shi & Richard M. H. Suen, 2014. "The Macroeconomic Consequences of Asset Bubbles and Crashes," Working papers 2014-14, University of Connecticut, Department of Economics.
    8. Bogan, Vicki, 2009. "Bubbles or convenience yields? A theoretical explanation with evidence from technology company equity carve-outs," International Review of Economics & Finance, Elsevier, vol. 18(2), pages 248-281, March.
    9. Bertus, Mark & Godbey, Jonathan & Hinkelmann, Christoph & Mahar, James W., 2008. "Noise, equity prices, and hedging: A new approach," International Review of Financial Analysis, Elsevier, vol. 17(5), pages 886-902, December.
    10. Croonenbroeck, Carsten & Monaco, Fabrizio Leonardo & Christensen, Mads Julius, 2012. "Does Danish football club Brøndby swim with the fishes? An application of the reversed news model," Discussion Papers 330, European University Viadrina Frankfurt (Oder), Department of Business Administration and Economics.
    11. Thomas Schuster, 2003. "Meta-Communication and Market Dynamics. Reflexive Interactions of Financial Markets and the Mass Media," Finance 0307014, EconWPA.
    12. Lubos Pastor & Pietro Veronesi, 2003. "Stock Prices and IPO Waves," NBER Working Papers 9858, National Bureau of Economic Research, Inc.
    13. Emmanuelle Dubocage & Valérie Revest, 2010. "Une analyse conventionnaliste du prix d’offre des start-up sur le Nouveau Marché français," Revue d'Économie Financière, Programme National Persée, vol. 96(1), pages 215-231.
    14. Richard Chung & Scott Fung & James Shilling & Tammie Simmons-Mosley, 2011. "What Determines Stock Price Synchronicity in REITs?," The Journal of Real Estate Finance and Economics, Springer, vol. 43(1), pages 73-98, July.
    15. Pastor, Lubos & Veronesi, Pietro, 2006. "Was there a Nasdaq bubble in the late 1990s?," Journal of Financial Economics, Elsevier, vol. 81(1), pages 61-100, July.
    16. John Fender, 2015. "Towards a General Theory of the Stock Market," Discussion Papers 15-15, Department of Economics, University of Birmingham.

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