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- W2364691916 abstract "In this paper,we theoretically analyzed the relations among information,noise,the volatility of stock price and the synchronicity of stock price from the viewpoint of financial economics.We put forward a hypothesis that there is an inversely U-shaped relationship between the informativeness and the R2.Our empirical results show that the above hypothesis is proved to be correct by using the trading data of A-share stock market of our country in 2004,with the ratio of shares which are hold by institutional investors as the proxy of informativeness.These results indirectly show that we could confuse the influences of information and noise on stock prices if we directly use R2 as a measure of the informativeness in A-share market in China in the analysis of firm-level,because both more information capitalized into the stock price and the larger noise may result in the less R2." @default.
- W2364691916 created "2016-06-24" @default.
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- W2364691916 date "2010-01-01" @default.
- W2364691916 modified "2023-09-22" @default.
- W2364691916 title "R~2 and measurement of informativeness of stock prices" @default.
- W2364691916 hasPublicationYear "2010" @default.
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