Ipo Post-Issue Markets: Questionable Predilections But Diligent Learners?
AbstractThere appear to be no anomalies in the aftermarket of a sample of 4,848 U.S. IPOs over the period 1975 to 1995, except issues offered below $6. Risk is priced in the aftermarket in accordance with Rubinstein's asset-pricing model. Unlike under the efficient markets hypothesis (EMH), however, market priors about the probability of future default are not unbiased at the IPO date. Still, subsequent learning is rational: the market uses Bayes' law with a correct-likelihood function (of news given the eventual fate of an issue). That is, the hypothesis of an efficiently learning market (ELM) cannot be rejected. We produce direct evidence in support of these statements, based on a new class of tests. We also provide indirect evidence, by documenting a gradual convergence of IPO prices towards EMH as issues mature. © 2001 by the President and Fellows of Harvard College and the Massachusetts Institute of Technology
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Bibliographic InfoArticle provided by MIT Press in its journal The Review of Economics and Statistics.
Volume (Year): 83 (2001)
Issue (Month): 2 (May)
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Other versions of this item:
- Bossaerts, Peter & Hillion, Pierre, 1997. "IPO Post-Issue Markets: Questionable Predilections But Diligent Learners?," Working Papers 1014, California Institute of Technology, Division of the Humanities and Social Sciences.
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- Anlin Chen & Li-Wei Chen & Lanfeng Kao, 2010. "Leverage, liquidity and IPO long-run performance: evidence from Taiwan IPO markets," International Journal of Accounting and Information Management, Emerald Group Publishing, vol. 18(1), pages 31-38, February.
- Ackert, Lucy F. & Church, Bryan K. & Zhang, Ping, 2004.
"Asset prices and informed traders' abilities: Evidence from experimental asset markets,"
Accounting, Organizations and Society,
Elsevier, vol. 29(7), pages 609-626, October.
- Lucy F. Ackert & Bryan K. Church & Ping Zhang, 2002. "Asset prices and informed traders' abilities: evidence from experimental asset markets," Working Paper 2002-26, Federal Reserve Bank of Atlanta.
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