IDEAS home Printed from https://ideas.repec.org/p/hal/wpaper/hal-04140747.html
   My bibliography  Save this paper

L'impact des spams boursiers sur les volumes : Application de la méthodologie des études d’événement

Author

Listed:
  • Taoufik Bouraoui

    (EconomiX - EconomiX - UPN - Université Paris Nanterre - CNRS - Centre National de la Recherche Scientifique)

Abstract

Ce papier est consacré à l'étude de l'impact des spams boursiers à travers l'analyse des variations de volumes. Nous utilisons la méthodologie des études d'événement sur un ensemble de cent dix entreprises du penny stock (entreprises de petite taille sur le marché américain) sur la période allant de Mai 2002 à Décembre 2007. Les résultats trouvés montrent des variations significatives et positives des volumes observées essentiellement le premier jour de l'événement et à un degré moindre les jours suivants. L'envoi des spams boursiers a ranimé l'activité sur le marché de penny stock.

Suggested Citation

  • Taoufik Bouraoui, 2008. "L'impact des spams boursiers sur les volumes : Application de la méthodologie des études d’événement," Working Papers hal-04140747, HAL.
    • Handle: RePEc:hal:wpaper:hal-04140747
    Note: View the original document on HAL open archive server: https://hal.science/hal-04140747
    as

    Download full text from publisher

    File URL: https://hal.science/hal-04140747/document
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Ajinkya, Bipin B. & Jain, Prem C., 1989. "The behavior of daily stock market trading volume," Journal of Accounting and Economics, Elsevier, vol. 11(4), pages 331-359, November.
    2. Corrado, Charles J. & Zivney, Terry L., 1992. "The Specification and Power of the Sign Test in Event Study Hypothesis Tests Using Daily Stock Returns," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 27(3), pages 465-478, September.
    3. Cready, William M. & Ramanan, Ramachandran, 1991. "The power of tests employing log-transformed volume in detecting abnormal trading," Journal of Accounting and Economics, Elsevier, vol. 14(2), pages 203-214, June.
    4. Blume, Lawrence & Easley, David & O'Hara, Maureen, 1994. "Market Statistics and Technical Analysis: The Role of Volume," Journal of Finance, American Finance Association, vol. 49(1), pages 153-181, March.
    5. Beaver, Wh, 1968. "Information Content Of Annual Earnings Announcements," Journal of Accounting Research, Wiley Blackwell, vol. 6, pages 67-92.
    6. Anat R. Admati, Paul Pfleiderer, 1988. "A Theory of Intraday Patterns: Volume and Price Variability," The Review of Financial Studies, Society for Financial Studies, vol. 1(1), pages 3-40.
    7. Brown, Stephen J. & Warner, Jerold B., 1985. "Using daily stock returns : The case of event studies," Journal of Financial Economics, Elsevier, vol. 14(1), pages 3-31, March.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Taoufik Bouraoui, 2008. "L'impact des spams boursiers sur les volumes : Application de la méthodologie des études d’événement," EconomiX Working Papers 2008-11, University of Paris Nanterre, EconomiX.
    2. Yadav, Pradeep K., 1992. "Event studies based on volatility of returns and trading volume: A review," The British Accounting Review, Elsevier, vol. 24(2), pages 157-184.
    3. Warren Bailey & Yuan Gao & Connie X. Mao, 2004. "Business, Government, and the Information Environment: Stock Trading and Earnings Shocks in China, Indonesia, and Singapore," Annals of Economics and Finance, Society for AEF, vol. 5(1), pages 165-195, May.
    4. Ante, Lennart & Fiedler, Ingo & Strehle, Elias, 2021. "The impact of transparent money flows: Effects of stablecoin transfers on the returns and trading volume of Bitcoin," Technological Forecasting and Social Change, Elsevier, vol. 170(C).
    5. Jagjeev Dosanjh, 2017. "Exchange Initiatives and Market Efficiency: Evidence from the Australian Securities Exchange," PhD Thesis, Finance Discipline Group, UTS Business School, University of Technology, Sydney, number 1-2017.
    6. Ernest Biktimirov & Boya Li, 2014. "Asymmetric stock price and liquidity responses to changes in the FTSE SmallCap index," Review of Quantitative Finance and Accounting, Springer, vol. 42(1), pages 95-122, January.
    7. Clements, Marcus & Singh, Harminder, 2011. "An analysis of trading in target stocks before successful takeover announcements," Journal of Multinational Financial Management, Elsevier, vol. 21(1), pages 1-17, February.
    8. repec:uts:finphd:34 is not listed on IDEAS
    9. Kim, Junwoo & Kim, Robert & Kim, Sangwan, 2020. "Does financial statement comparability mitigate delayed trading volume before earnings announcements?," Journal of Business Research, Elsevier, vol. 107(C), pages 62-75.
    10. Guillermo Llorente & Roni Michaely & Gideon Saar & Jiang Wang, 2002. "Dynamic Volume-Return Relation of Individual Stocks," The Review of Financial Studies, Society for Financial Studies, vol. 15(4), pages 1005-1047.
    11. Liyi Zheng, 2020. "The type of corporate announcements and its implication on trading behaviour," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 60(S1), pages 629-659, April.
    12. Ante, Lennart, 2023. "How Elon Musk's Twitter activity moves cryptocurrency markets," Technological Forecasting and Social Change, Elsevier, vol. 186(PA).
    13. João Duque & Inês Pinto, 2008. "Regulatory disclosure via the internet: does it make financial markets more efficient?," Journal of Regulatory Economics, Springer, vol. 33(1), pages 5-19, February.
    14. Sascha Wilkens & Jens Wimschulte, 2005. "Price and Volume Effects Associated with 2003’s Major Reorganization of German Stock Indices," Financial Markets and Portfolio Management, Springer;Swiss Society for Financial Market Research, vol. 19(1), pages 61-98, June.
    15. Cheng Chee Mun, Eugene & Courtenay, Stephen M. & Rahman, Asheq R., 2011. "Effects of prior voluntary disclosure on earnings announcements in an environment with low information and regulation," Pacific-Basin Finance Journal, Elsevier, vol. 19(3), pages 308-329, June.
    16. Jiang Wang, 2002. "Trading Volume and Asset Prices," Annals of Economics and Finance, Society for AEF, vol. 3(2), pages 299-359, November.
    17. Monica Martinez-Blasco & Josep Garcia-Blandon & Josep Argiles-Bosch, 2015. "Does the informational role of the annual general meeting depend on a country’s legal tradition?," Journal of Management & Governance, Springer;Accademia Italiana di Economia Aziendale (AIDEA), vol. 19(4), pages 849-873, November.
    18. Giaccotto, Carmelo & Sfiridis, James M., 1996. "Hypothesis testing in event studies: The case of variance changes," Journal of Economics and Business, Elsevier, vol. 48(4), pages 349-370, October.
    19. Imre Karafiath, 2009. "Detecting cumulative abnormal volume: a comparison of event study methods," Applied Economics Letters, Taylor & Francis Journals, vol. 16(8), pages 797-802.
    20. Bailey, Warren & Mao, Connie X. & Sirodom, Kulpatra, 2007. "Investment restrictions and the cross-border flow of information: Some empirical evidence," Journal of International Money and Finance, Elsevier, vol. 26(1), pages 1-25, February.
    21. M. Cary Collins & James W. Wansley & Breck Robinson, 1995. "Price And Volume Effects Associated With The Creation Of Standard & Poor'S Midcap Index," Journal of Financial Research, Southern Finance Association;Southwestern Finance Association, vol. 18(3), pages 329-350, September.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:hal:wpaper:hal-04140747. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: CCSD (email available below). General contact details of provider: https://hal.archives-ouvertes.fr/ .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.