R&D Progress, stock price volatility, and post-announcement drift: An empirical investigation into biotech firms
I investigate the effects of R&D progress on the dynamics of stock price volatility and the post announcement drift to provide insights into whether or not and how capital markets react to corporate R&D progress in the context of the biotech industry. I find both stock price volatility and the post announcement drift decrease in R&D progress. More importantly, the decrease is proportional to the increase in the drug development success rate driven by R&D progress. Findings suggest that R&D progress conveys useful risk-relevant information, and plays an important role in explaining stock price volatility change and market anomalies. Copyright Springer Science + Business Media, LLC 2006
Volume (Year): 26 (2006)
Issue (Month): 4 (June)
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- Louis K. C. Chan, 2001. "The Stock Market Valuation of Research and Development Expenditures," Journal of Finance, American Finance Association, vol. 56(6), pages 2431-2456, December.
- Fama, Eugene F. & French, Kenneth R., 1993. "Common risk factors in the returns on stocks and bonds," Journal of Financial Economics, Elsevier, vol. 33(1), pages 3-56, February.
- Francis, Jennifer & LaFond, Ryan & Olsson, Per & Schipper, Katherine, 2003. "Accounting Anomalies and Information Uncertainty," SIFR Research Report Series 13, Institute for Financial Research.
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