IDEAS home Printed from https://ideas.repec.org/
MyIDEAS: Login to save this paper or follow this series

Time Stamp Errors and the Stock Price Reaction to Analyst Recommendation and Forecasts Revisions

  • Hoechle, Daniel

    ()

  • Schaub, nic

    ()

  • Schmid, Markus

    ()

Registered author(s):

    This paper investigates the problem of time stamp errors in the IBES database. We show that IBES did not store the original announcement date of both recommendations and forecasts on U.S. stocks until 2001 and even later for other countries. The announcement date in IBES is often effectively the date on which the information was recorded by IBES and, therefore, systematically delayed. Using event study analysis and comparing IBES to alternative data sources, we show that the announcement day effect is underestimated in IBES while pre-announcement returns are overestimated as they often include the effective announcement day. We also show that time stamp errors in IBES are not randomly distributed in the cross-section but differ significantly across several firm, broker, and analyst characteristics. A consequence is that cross-sectional differences in announcement returns may be driven by cross-sectional differences in time stamp errors. We also show how existing research is affected by time stamp errors in IBES. Finally, we suggest three alternative ways to mitigate the time stamp error problem in daily IBES data.

    If you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.

    File URL: http://www1.vwa.unisg.ch/RePEc/usg/sfwpfi/WPF-1215.pdf
    Download Restriction: no

    Paper provided by University of St. Gallen, School of Finance in its series Working Papers on Finance with number 1215.

    as
    in new window

    Length: 59 pages
    Date of creation: Feb 2012
    Date of revision: Oct 2013
    Handle: RePEc:usg:sfwpfi:2012:15
    Contact details of provider: Phone: +41 71 243 40 11
    Fax: +41 71 243 40 40
    Web page: http://www.unisg.ch/de/Schools/Finance.aspx

    More information through EDIRC

    References listed on IDEAS
    Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

    as in new window
    1. Roger K. Loh & René M. Stulz, 2009. "When are Analyst Recommendation Changes Influential?," NBER Working Papers 14971, National Bureau of Economic Research, Inc.
    2. Green, T. Clifton, 2006. "The Value of Client Access to Analyst Recommendations," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 41(01), pages 1-24, March.
    3. Jegadeesh, Narasimhan & Kim, Woojin, 2006. "Value of analyst recommendations: International evidence," Journal of Financial Markets, Elsevier, vol. 9(3), pages 274-309, August.
    4. Yonca Ertimur & Jayanthi Sunder & Shyam V. Sunder, 2007. "Measure for Measure: The Relation between Forecast Accuracy and Recommendation Profitability of Analysts," Journal of Accounting Research, Wiley Blackwell, vol. 45(3), pages 567-606, 06.
    5. Alexander Ljungqvist & Christopher Malloy & Felicia Marston, 2009. "Rewriting History," Journal of Finance, American Finance Association, vol. 64(4), pages 1935-1960, 08.
    6. Narasimhan Jegadeesh & Joonghyuk Kim & Susan D. Krische & Charles M. C. Lee, 2004. "Analyzing the Analysts: When Do Recommendations Add Value?," Journal of Finance, American Finance Association, vol. 59(3), pages 1083-1124, 06.
    7. White, Halbert, 1980. "A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity," Econometrica, Econometric Society, vol. 48(4), pages 817-38, May.
    8. Frankel, Richard & Kothari, S.P. & Weber, Joseph, 2006. "Determinants of the informativeness of analyst research," Journal of Accounting and Economics, Elsevier, vol. 41(1-2), pages 29-54, April.
    9. Brad Barber, 2001. "Can Investors Profit from the Prophets? Security Analyst Recommendations and Stock Returns," Journal of Finance, American Finance Association, vol. 56(2), pages 531-563, 04.
    10. Womack, Kent L, 1996. " Do Brokerage Analysts' Recommendations Have Investment Value?," Journal of Finance, American Finance Association, vol. 51(1), pages 137-67, March.
    11. Hugon, Artur & Muslu, Volkan, 2010. "Market demand for conservative analysts," Journal of Accounting and Economics, Elsevier, vol. 50(1), pages 42-57, May.
    12. Jacob, John & Lys, Thomas Z. & Neale, Margaret A., 1999. "Expertise in forecasting performance of security analysts," Journal of Accounting and Economics, Elsevier, vol. 28(1), pages 51-82, November.
    13. Jung, Boochun & Shane, Philip B. & Sunny Yang, Yanhua, 2012. "Do financial analysts' long-term growth forecasts matter? Evidence from stock recommendations and career outcomes," Journal of Accounting and Economics, Elsevier, vol. 53(1), pages 55-76.
    14. Christophe, Stephen E. & Ferri, Michael G. & Hsieh, Jim, 2010. "Informed trading before analyst downgrades: Evidence from short sellers," Journal of Financial Economics, Elsevier, vol. 95(1), pages 85-106, January.
    15. AltInkIlIç, Oya & Hansen, Robert S., 2009. "On the information role of stock recommendation revisions," Journal of Accounting and Economics, Elsevier, vol. 48(1), pages 17-36, October.
    Full references (including those not matched with items on IDEAS)

    This item is not listed on Wikipedia, on a reading list or among the top items on IDEAS.

    When requesting a correction, please mention this item's handle: RePEc:usg:sfwpfi:2012:15. See general information about how to correct material in RePEc.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Geraldine Frei)

    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 references are entirely missing, you can add them using this form.

    If the full references list an item that is present in RePEc, but the system did not link 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 profile, as there may be some citations waiting for confirmation.

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

    This information is provided to you by IDEAS at the Research Division of the Federal Reserve Bank of St. Louis using RePEc data.