›› 2018, Vol. 30 ›› Issue (8): 3-15.

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Do Fund Equity Affiliated Analysts Damage Stock Market Information Efficiency——An Evidence Based on Stock Price Synchronicity

Yi Zhihong1, Shen Danlin1, Jiang Xuanyu2   

  1. 1. School of Business, Renmin University of China, Beijing 100872;
    2. School of Accountancy, Central University of Finance & Economics, Beijing 100081
  • Received:2016-11-25 Online:2018-08-28 Published:2018-08-31

Abstract:

Considering that China's stock market information efficiency needs to be improved, and the rapid rise of sell-side research is inseparable from the magnificent growth of fund industry, this paper explores whether equity affiliation (brokerage firms owning funds' shareholding), a common relationship between analysts' brokerage firms and funds, could have an impact on stock market information efficiency. Our findings show that firms with more equity affiliated analyst coverage have a lower level of stock price synchronicity; when shareholder funds demand more firm-specific information, fund equity affiliated analyst coverage further reduces the synchronicity level; devoting more energy to site visits is an important way for equity affiliated analyst to reduce stock price synchronicity, and lastly, equity affiliated analysts provide more accurate earnings forecasts, ruling out the possibility that they generate noise thus decrease the stock price synchronicity. This paper adds to the literature on the relation between analysts and funds, and between analysts and market information efficiency. The research provides an insight into the information role that equity affiliated analysts play, and has implication on impelling analysts to provide higher-quality information service for the market, so as to promote stock market information efficiency.

Key words: fund equity affiliation, stock price synchronicity, analyst coverage, site visits