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R&D Progress, stock price volatility, and post-announcement drift: An empirical investigation into biotech firms

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  • Bixia Xu

Abstract

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

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  • Bixia Xu, 2006. "R&D Progress, stock price volatility, and post-announcement drift: An empirical investigation into biotech firms," Review of Quantitative Finance and Accounting, Springer, vol. 26(4), pages 391-408, June.
    • Handle: RePEc:kap:rqfnac:v:26:y:2006:i:4:p:391-408
    DOI: 10.1007/s11156-006-7439-x
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    References listed on IDEAS

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    Cited by:

    1. Pervaiz Alam & Min Liu & Xiaofeng Peng, 2014. "R&D expenditures and implied equity risk premiums," Review of Quantitative Finance and Accounting, Springer, vol. 43(3), pages 441-462, October.
    2. Cheng Jiang & Kose John & David Larsen, 2021. "R&D investment intensity and jump volatility of stock price," Review of Quantitative Finance and Accounting, Springer, vol. 57(1), pages 235-277, July.
    3. Michael T. Dugan & John E. McEldowney & Elizabeth H. Turner & Clark M. Wheatley, 2016. "The Impact of Different Accounting Reporting Methods on the Informativeness of Research and Development Costs: IFRS Compared to U.S. GAAP," Review of Pacific Basin Financial Markets and Policies (RPBFMP), World Scientific Publishing Co. Pte. Ltd., vol. 19(04), pages 1-36, December.
    4. Mustafa Ciftci & Nan Zhou, 2016. "Capitalizing R&D expenses versus disclosing intangible information," Review of Quantitative Finance and Accounting, Springer, vol. 46(3), pages 661-689, April.

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