Empirical results indicate that, with corporate transparency being perfect, the synchronicity of stock price variation has indeed been improved over time;
实证结果表明，随着公司信息透明度的改善，股价同波动性不断下降，但各信用评级等级之间的股价同波动性差异并不高。
Empirical results indicate that, with corporate transparency being perfect, the synchronicity of stock price variation has indeed been improved over time;
实证结果表明，随着公司信息透明度的改善，股价同波动性不断下降，但各信用评级等级之间的股价同波动性差异并不高。
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