This paper uses high frequency data to evaluate whether information asymmetry in the market is reduced as a result of corporate earnings and dividend announcements. Changes in the level of information asymmetry due to the announcements are proxied by the rate of change in trading volume, bid-ask spread, cumulative abnormal returns, and order imbalance. Our results show support for an informatio...

full, on-time, and with quality disclosure of financial information can lead to the transparency of such information and decreases information asymmetry. among the published information of firms, earnings are of priority importance attended by many users; therefore, the issue of the transparency of accounting earnings is of high importance. the aim of this study is investigating the accounting ...