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Do Political Blogs Matter? Corruption in State-Controlled Companies, Blog Postings, and DDoS Attacks

Author

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  • Enikolopov, Ruben
  • Petrova, Maria
  • Sonin, Konstantin

Abstract

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.

Suggested Citation

  • 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.
  • Handle: RePEc:cpr:ceprdp:9169
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    References listed on IDEAS

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    As found by EconAcademics.org, the blog aggregator for Economics research:
    1. Political Blogs
      by UDADISI in UDADISI on 2012-10-23 23:16:00

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    2. Alexeev, Michael & Weber, Shlomo (ed.), 2013. "The Oxford Handbook of the Russian Economy," OUP Catalogue, Oxford University Press, number 9780199759927.
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    More about this item

    Keywords

    Alexei Navalny; blogs; corruption; political economy; Russia;
    All these keywords.

    JEL classification:

    • L82 - Industrial Organization - - Industry Studies: Services - - - Entertainment; Media
    • L86 - Industrial Organization - - Industry Studies: Services - - - Information and Internet Services; Computer Software
    • P16 - Economic Systems - - Capitalist Systems - - - Political Economy of Capitalism

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