Do Political Blogs Matter? Corruption in State-Controlled Companies, Blog Postings, and DDoS Attacks
Though new media has become a popular source of information, it is less clear whether or not they have a real impact on economic activity. In authoritarian regimes, where the traditional media are not free, this impact might be especially pronounced. We study consequences of blog postings of a popular Russian anti-corruption blogger and shareholder activist Alexei Navalny on the stock prices of state-controlled companies. In an event-study analysis, we find a negative effect of company-related blog postings on both daily abnormal returns and within-day 5-minute returns. To cope with identification problem, we use the incidence of distributed denial-of-services (DDoS) attacks as a variable that negatively affects blog postings, but is orthogonal to other determinants of asset prices. There is a substantial positive effect of the DDoS attacks on abnormal returns of the companies Navalny wrote about, and this effect is increasing in amount of his attention to these companies. the effect is decreasing in attention to posts of other top bloggers, increasing in visitors’ attention to Navalny’s posts, and is consistent with more pronounced individual, in contrast to institutional, trading. Finally, there are long-term effects of certain types of posts on stock returns, trading volume, and volatility. Overall, our evidence implies that blog postings about corruption in state-controlled companies have a negative causal impact on stock performance of these companies.
|Date of creation:||Oct 2012|
|Contact details of provider:|| Postal: Centre for Economic Policy Research, 77 Bastwick Street, London EC1V 3PZ.|
Phone: 44 - 20 - 7183 8801
Fax: 44 - 20 - 7183 8820
|Order Information:|| Email: |
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.:
- Brunetti, Aymo & Weder, Beatrice, 2003. "A free press is bad news for corruption," Journal of Public Economics, Elsevier, vol. 87(7-8), pages 1801-1824, August.
- Stefano DellaVigna & Matthew Gentzkow, 2010.
"Persuasion: Empirical Evidence,"
Annual Review of Economics,
Annual Reviews, vol. 2(1), pages 643-669, 09.
- Stefano DellaVigna & Matthew Gentzkow, 2009. "Persuasion: Empirical Evidence," NBER Working Papers 15298, National Bureau of Economic Research, Inc.
- Alexander Dyck & Natalya Volchkova & Luigi Zingales, 2008. "The Corporate Governance Role of the Media: Evidence from Russia," Journal of Finance, American Finance Association, vol. 63(3), pages 1093-1135, 06.
- Alexander Dyck & Natalya Volchkova & Luigi Zingales, 2004. "The Corporate Governance Role of the Media: Evidence from Russia," Working Papers w0054, Center for Economic and Financial Research (CEFIR), revised Sep 2005.
- Dyck, Alexander & Volchkova, Natalya & Zingales, Luigi, 2007. "The Corporate Governance Role of the Media: Evidence from Russia," Working Papers 07-1, University of Pennsylvania, Wharton School, Weiss Center.
- Alexander Dyck & Natalya Volchkova & Luigi Zingales, 2006. "The Corporate Governance Role of the Media: Evidence from Russia," NBER Working Papers 12525, National Bureau of Economic Research, Inc.
- Zhi Da & Joseph Engelberg & Pengjie Gao, 2011. "In Search of Attention," Journal of Finance, American Finance Association, vol. 66(5), pages 1461-1499, October.
- Timothy Besley & Andrea Prat, 2006. "Handcuffs for the Grabbing Hand? Media Capture and Government Accountability," American Economic Review, American Economic Association, vol. 96(3), pages 720-736, June.
- Besley, Timothy J. & Prat, Andrea, 2002. "Handcuffs for the Grabbing Hand? Media Capture and Government Accountability," CEPR Discussion Papers 3132, C.E.P.R. Discussion Papers.
- Timothy Besley & Andrea Prat, 2005. "Handcuffs for the Grabbing Hand? Media Capture and Government Accountability," STICERD - Political Economy and Public Policy Paper Series 07, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE.
- Alan S. Gerber & Dean Karlan & Daniel Bergan, 2009. "Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions," American Economic Journal: Applied Economics, American Economic Association, vol. 1(2), pages 35-52, April.
- Gerber, Alan & Karlan, Dean & Bergan, Daniel, 2006. "Does The Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions," Working Papers 12, Yale University, Department of Economics.
- Daniel Bergan & Alan Gerber & Dean Karlan, 2009. "Does the media matter? A field experiment measuring the effect of newspapers on voting behavior and political opinions," Natural Field Experiments 00252, The Field Experiments Website.
- Acemoglu,Daron & Robinson,James A., 2009. "Economic Origins of Dictatorship and Democracy," Cambridge Books, Cambridge University Press, number 9780521671422, October.
- Acemoglu,Daron & Robinson,James A., 2006. "Economic Origins of Dictatorship and Democracy," Cambridge Books, Cambridge University Press, number 9780521855266, October.
- David Yanagizawa-Drott, 2012. "Propaganda and Conflict: Theory and Evidence from the Rwandan Genocide," CID Working Papers 257, Center for International Development at Harvard University.
- David Strömberg, 2004. "Radio's Impact on Public Spending," The Quarterly Journal of Economics, Oxford University Press, vol. 119(1), pages 189-221.
- Gregory S. Miller, 2006. "The Press as a Watchdog for Accounting Fraud," Journal of Accounting Research, Wiley Blackwell, vol. 44(5), pages 1001-1033, December.
- John M. Griffin & Nicholas H. Hirschey & Patrick J. Kelly, 0. "How Important Is the Financial Media in Global Markets?," Review of Financial Studies, Society for Financial Studies, vol. 24(12), pages 3941-3992.
- Paul C. Tetlock, 2007. "Giving Content to Investor Sentiment: The Role of Media in the Stock Market," Journal of Finance, American Finance Association, vol. 62(3), pages 1139-1168, 06.
- Matthew Gentzkow, 2006. "Television and Voter Turnout," The Quarterly Journal of Economics, Oxford University Press, vol. 121(3), pages 931-972. Full references (including those not matched with items on IDEAS)