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How Important Is the Financial Media in Global Markets?

Author

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  • John M. Griffin
  • Nicholas H. Hirschey
  • Patrick J. Kelly

Abstract

This article studies differences in the information content of 870,000 news announcements in 56 markets around the world. In most developed markets, a firm's stock price moves much more on days with public news about the firm. In contrast, in many emerging markets volatility is similar on news and non-news days. We examine several hypotheses for our findings. Cross-country differences in stock price reactions are best explained by insider trading, followed by differences in the quality of the news dissemination mechanism. Our findings are useful for quantifying the extent of insider trading and how the financial media affects international markets. The Author 2011. Published by Oxford University Press on behalf of The Society for Financial Studies. All rights reserved. For Permissions, please e-mail: journals.permissions@oup.com., Oxford University Press.

Suggested Citation

  • John M. Griffin & Nicholas H. Hirschey & Patrick J. Kelly, 2011. "How Important Is the Financial Media in Global Markets?," Review of Financial Studies, Society for Financial Studies, vol. 24(12), pages 3941-3992.
  • Handle: RePEc:oup:rfinst:v:24:y::i:12:p:3941-3992
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    File URL: http://hdl.handle.net/10.1093/rfs/hhr099
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    Citations

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    Cited by:

    1. Keim, Donald B & Massa, Massimo & von Beschwitz, Bastian, 2015. "First to “Read” the News: News Analytics and Institutional Trading," CEPR Discussion Papers 10534, C.E.P.R. Discussion Papers.
    2. Cahan, Steven F. & Chen, Chen & Chen, Li & Nguyen, Nhut H., 2015. "Corporate social responsibility and media coverage," Journal of Banking & Finance, Elsevier, vol. 59(C), pages 409-422.
    3. repec:oup:revfin:v:21:y:2017:i:4:p:1355-1401. is not listed on IDEAS
    4. Ammann, Manuel & Frey, Roman & Verhofen, Michael, 2012. "Do Newspaper Articles Predict Aggregate Stock Returns?," Working Papers on Finance 1204, University of St. Gallen, School of Finance.
    5. Jacob Boudoukh & Ronen Feldman & Shimon Kogan & Matthew Richardson, 2013. "Which News Moves Stock Prices? A Textual Analysis," NBER Working Papers 18725, National Bureau of Economic Research, Inc.
    6. Buehlmaier, Matthias M. M. & Zechner, Josef, 2016. "Financial media, price discovery, and merger arbitrage," CFS Working Paper Series 551, Center for Financial Studies (CFS).
    7. Landsman, Wayne R. & Maydew, Edward L. & Thornock, Jacob R., 2012. "The information content of annual earnings announcements and mandatory adoption of IFRS," Journal of Accounting and Economics, Elsevier, vol. 53(1), pages 34-54.
    8. Hanna, Alan J. & Turner, John D. & Walker, Clive B., 2017. "News media and investor sentiment over the long run," QUCEH Working Paper Series 2017-06, Queen's University Belfast, Queen's University Centre for Economic History.
    9. Jacobs, Heiko & Regele, Tobias & Weber, Martin, 2015. "Expected Skewness and Momentum," CEPR Discussion Papers 10601, C.E.P.R. Discussion Papers.
    10. Baum, Christopher F. & Kurov, Alexander & Wolfe, Marketa Halova, 2015. "What do Chinese macro announcements tell us about the world economy?," Journal of International Money and Finance, Elsevier, vol. 59(C), pages 100-122.
    11. Barber, Brad M. & De George, Emmanuel T. & Lehavy, Reuven & Trueman, Brett, 2013. "The earnings announcement premium around the globe," Journal of Financial Economics, Elsevier, vol. 108(1), pages 118-138.
    12. Enikolopov, Ruben & Petrova, Maria & Sonin, Konstantin, 2012. "Do Political Blogs Matter? Corruption in State-Controlled Companies, Blog Postings, and DDoS Attacks," CEPR Discussion Papers 9169, C.E.P.R. Discussion Papers.
    13. Philipp Stephan & Rüdiger Nitzsch, 2013. "Do individual investors’ stock recommendations in online communities contain investment value?," Financial Markets and Portfolio Management, Springer;Swiss Society for Financial Market Research, vol. 27(2), pages 149-186, June.
    14. repec:spr:reaccs:v:22:y:2017:i:2:d:10.1007_s11142-017-9391-5 is not listed on IDEAS
    15. Chunmei Lin & Massimo Massa & Hong Zhang, 2014. "Mutual Funds and Information Diffusion: The Role of Country-Level Governance," Tinbergen Institute Discussion Papers 14-079/IV/DSF76, Tinbergen Institute.
    16. repec:oup:rfinst:v:29:y:2016:i:12:p:3278-3320. is not listed on IDEAS
    17. Ying Cao & Linda A. Myers & Albert Tsang & Yong George Yang, 0. "Management forecasts and the cost of equity capital: international evidence," Review of Accounting Studies, Springer, vol. 0, pages 1-48.
    18. Dang, Tung Lam & Moshirian, Fariborz & Zhang, Bohui, 2015. "Commonality in news around the world," Journal of Financial Economics, Elsevier, vol. 116(1), pages 82-110.
    19. Turner, John D. & Ye, Qing & Walker, Clive B., 2016. "Media coverage and stock returns on the London Stock Exchange, 1825-70," QUCEH Working Paper Series 2016-02, Queen's University Belfast, Queen's University Centre for Economic History.
    20. Roberto Casarin & Flaminio Squazzoni, 2012. "Financial press and stock markets in times of crisis," Working Papers 2012_04, Department of Economics, University of Venice "Ca' Foscari".
    21. Xi Li & Mingyi Hung & Shiheng Wang, 2015. "Post-Earnings-Announcement Drift in Global Markets: Evidence from an Information Shock," HKUST IEMS Working Paper Series 2015-17, HKUST Institute for Emerging Market Studies, revised Mar 2015.

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