Artikel
Can media exposure improve stock price efficiency in China and why?
The media in China has undergone extensive commercialization to become more market-driven over the last 35 years. Based on a sample of over two million newspaper articles, this study investigates whether the media in China has an incremental impact on stock price efficiency. We find that: as media coverage of a firm increases, (1) its stock price synchronicity decreases; (2) the probability of informed trading of its stock increases; and (3) the extent to which its stock price deviates from random walk decreases. Our inter-regional analysis over thirty-one provinces/regions within China reveals that the effects of the media on decreasing stock price synchronicity, increasing the probability of informed trading, and reducing stock price deviation from random walk are stronger in regions of weaker institutional development. Our findings suggest that a market-driven media can play the role of compensating for the underdeveloped governance institutions in transitional economies such as China.
- Sprache
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Englisch
- Erschienen in
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Journal: China Journal of Accounting Research ; ISSN: 1755-3091 ; Volume: 9 ; Year: 2016 ; Issue: 2 ; Pages: 83-114 ; Amsterdam: Elsevier
Information and Market Efficiency; Event Studies; Insider Trading
Corporate Finance and Governance: General
Stock price efficiency
China
Yu, Zhongbo
Zhang, Hao
- DOI
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doi:10.1016/j.cjar.2015.08.001
- Handle
- Letzte Aktualisierung
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20.09.2024, 08:23 MESZ
Objekttyp
- Artikel
Beteiligte
- Kim, Jeong-Bon
- Yu, Zhongbo
- Zhang, Hao
- Elsevier
Entstanden
- 2016
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