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Firm-specific volatility of stock returns, the credibility of management forecasts, and media coverage: Evidence from Japanese firms

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  • Aman, Hiroyuki

Abstract

This paper explores the determinants of firm-specific informativeness of the stock price in terms of corporate disclosure quality and the quantity of public information by using Japanese data. In our empirical framework, we examine how the credibility of disclosure and media coverage are associated with the firm-specific volatility of stock returns. The results indicate that both greater accuracy of management forecasts and greater total media coverage contribute to the incorporation of firm-specific information in the stock price. Furthermore, for earnings-related news, the media reporting leads to less firm-specific volatility. Finally, an improvement in forecast accuracy enhances the marginal effect of media coverage of the earnings news toward reflecting firm-specific information.

Suggested Citation

  • Aman, Hiroyuki, 2011. "Firm-specific volatility of stock returns, the credibility of management forecasts, and media coverage: Evidence from Japanese firms," Japan and the World Economy, Elsevier, vol. 23(1), pages 28-39, January.
    • Handle: RePEc:eee:japwor:v:23:y:2011:i:1:p:28-39
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    Cited by:

    1. Aman, Hiroyuki, 2013. "An analysis of the impact of media coverage on stock price crashes and jumps: Evidence from Japan," Pacific-Basin Finance Journal, Elsevier, vol. 24(C), pages 22-38.
    2. Norio Kitagawa & Shin' ya Okuda, 2013. "Management Forecasts, Idiosyncratic Risk, and Information Environment," Discussion Papers 2013-38, Kobe University, Graduate School of Business Administration, revised Jul 2013.
    3. Aman, Hiroyuki & Moriyasu, Hiroshi, 2017. "Volatility and public information flows: Evidence from disclosure and media coverage in the Japanese stock market," International Review of Economics & Finance, Elsevier, vol. 51(C), pages 660-676.
    4. Kitagawa, Norio & Okuda, Shin’ya, 2016. "Management Forecasts, Idiosyncratic Risk, and the Information Environment," The International Journal of Accounting, Elsevier, vol. 51(4), pages 487-503.
    5. Wei, Yu-Chen & Lu, Yang-Cheng & Chen, Jen-Nan & Hsu, Yen-Ju, 2017. "Informativeness of the market news sentiment in the Taiwan stock market," The North American Journal of Economics and Finance, Elsevier, vol. 39(C), pages 158-181.
    6. Kee-Hong Bae & Jin-Mo Kim & Yang Ni, 2013. "Is Firm-specific Return Variation a Measure of Information Efficiency?," International Review of Finance, International Review of Finance Ltd., vol. 13(4), pages 407-445, December.

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