How Do Social Media Shape the Information Environment in the Financial Market?

Internet users create social media that enable information to be transferred more efficiently. In this work we focus on a typical social media platform Wikipedia and examine how management’s voluntary disclosure reacts to information arrivals on Wikipedia. In doing so, we seek to answer the question of whether social media indeed improve the information environment for investors in the financial market. Our analysis is based on a unique dataset collected from the modification history of firm entries on Wikipedia, and thus we are able to identify information arrivals on Wikipedia. We find that information arrivals on Wikipedia affect the timing of management disclosure of bad news, and the effect is in sharp contrast to the way in which traditional media affect management disclosure. Further, we find consistent evidence that information arrivals on Wikipedia preempt the negative reaction of the market to bad news. In contrast, more news coverage in traditional media exacerbates the problem of optimistic analyst forecasts. Together these findings emphasize that social media have an identifiable effect on both the management side and the investor side in the financial market.

[1]  Patricia M. Dechow,et al.  The Relation between Analysts' Forecasts of Long-Term Earnings Growth and Stock Price Performance Following Equity Offerings , 1999 .

[2]  Samer Faraj,et al.  Why Should I Share? Examining Social Capital and Knowledge Contribution in Electronic Networks of Practice , 2005, MIS Q..

[3]  FarajSamer,et al.  Why should i share? examining social capital and knowledge contribution in electronic networks of practice , 2005 .

[4]  Werner Antweiler,et al.  Is All that Talk Just Noise? The Information Content of Internet Stock Message Boards , 2001 .

[5]  J. Francis,et al.  Management communications with securities analysts , 1997 .

[6]  Dion C. Smythe Insiders and Outsiders , 2010 .

[7]  S. Kothari,et al.  Capitalization versus Expensing: Evidence on the Uncertainty of Future Earnings from Capital Expenditures versus R&D Outlays , 2002 .

[8]  L. Brown,et al.  Analyst Forecasting Errors: Additional Evidence , 1997 .

[9]  Robert E. Verrecchia,et al.  Analysts' forecasts as proxies for investor beliefs in empirical research , 1995 .

[10]  Gregory S. Miller,et al.  Earnings Performance and Discretionary Disclosures , 1999 .

[11]  George Foster,et al.  Rambo IX: Briloff and the Capital Market , 1987 .

[12]  Douglas J. Skinner WHY FIRMS VOLUNTARILY DISCLOSE BAD-NEWS , 1994 .

[13]  J. Wolfers,et al.  Prediction Markets , 2003 .

[14]  Mark H. Lang,et al.  Corporate Disclosure Policy and Analyst Behavior , 1998 .

[15]  Vijay Gurbaxani,et al.  Investigating the Risk-Return Relationship of Information Technology Investment: Firm-Level Empirical Analysis , 2007, Manag. Sci..

[16]  Joel S. Demski,et al.  Accounting and Economics , 2008 .

[17]  Baruch Lev,et al.  To warn or not to warn: Management disclosures in the face of an earnings surprise , 1995 .

[18]  Xu Li,et al.  Characteristics of a Firm's Information Environment and the Information Asymmetry Between Insiders and Outsiders , 2003 .

[19]  J. Campbell,et al.  Event Studies in Economics and Finance , 1997 .

[20]  John M. Hassell,et al.  Some evidence on the news content of preliminary earnings estimates , 1994 .

[21]  J. Sinacore Multiple regression: Testing and interpreting interactions , 1993 .

[22]  Gerald C. Kane,et al.  The Shoemaker's Children: Using Wikis for Information Systems Teaching, Research, and Publication , 2009, MIS Q..

[23]  James Surowiecki The wisdom of crowds: Why the many are smarter than the few and how collective wisdom shapes business, economies, societies, and nations Doubleday Books. , 2004 .

[24]  R. Dye DISCLOSURE OF NONPROPRIETARY INFORMATION , 1985 .

[25]  A. Management's Incentives to Avoid Negative Earnings Surprises , 2005 .

[26]  Laureen A. Maines,et al.  Does Search-facilitating Technology Improve the Transparency of Financial Reporting? , 2004 .

[27]  Scott A. Richardson,et al.  The Walk-down to Beatable Analyst Forecasts: The Role of Equity Issuance and Insider Trading Incentives* , 2004 .

[28]  Sofus A. Macskassy,et al.  More than Words: Quantifying Language to Measure Firms' Fundamentals the Authors Are Grateful for Assiduous Research Assistance from Jie Cao and Shuming Liu. We Appreciate Helpful Comments From , 2007 .

[29]  S. Kothari,et al.  Capitalization Versus Expensing: Evidence on the Uncertainty of Future Earnings from Current Investments in Pp&E Versus R&D , 1998 .

[30]  Darren T. Roulstone,et al.  Analyst Following and Market Liquidity , 2003 .

[31]  Louis Loss,et al.  Fundamentals of Securities Regulation , 1995 .

[32]  Ron Kasznik On the Association between Voluntary Disclosure and Earnings Management , 1996 .

[33]  P. Perdue Insiders and Outsiders , 1986 .

[34]  M. C. Jensen,et al.  Harvard Business School; SSRN; National Bureau of Economic Research (NBER); European Corporate Governance Institute (ECGI); Harvard University - Accounting & Control Unit , 1976 .

[35]  N. Farrell,et al.  Financial Reporting , 2019, Audit and Accounting Guide.

[36]  L. Summers,et al.  Noise Trader Risk in Financial Markets , 1990, Journal of Political Economy.

[37]  Ann Majchrzak,et al.  Comment: where is the theory in wikis? , 2009 .

[38]  Chenchuramaiah T. Bathala Expertise in Forecasting Performance of Security Analysts , 2000 .

[39]  Robert Forsythe,et al.  Anatomy of an Experimental Political Stock Market , 1992 .

[40]  Douglas J. Skinner Earnings Disclosures and Stockholder Lawsuits , 1995 .

[41]  Krishna G. Palepu,et al.  Information Asymmetry, Corporate Disclosure and the Capital Markets: A Review of the Empirical Disclosure Literature , 2000 .

[42]  M. Mitchell,et al.  The Impact of Public Information on the Stock Market , 1994 .

[43]  Ann Majchrzak,et al.  Corporate wiki users: results of a survey , 2006, WikiSym '06.