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本文采用Corwin和Schultz(2012)最新提出来的基于日最高(低)成交价的方法度量信息不对称,通过2006—2011年我国沪深A股1222家上市公司的董事会治理数据,实证检验了董事会治理对信息不对称的影响。
In this paper, asymmetric information was measured based on the daily maximum (low) price proposed by Corwin and Schultz (2012). According to the board of directors governance data of 1222 listed companies in China’s Shanghai and Shenzhen A shares from 2006 to 2011, the paper tests the board of directors The impact of governance on information asymmetry.