Abstract
ABSTRACT This paper investigates whether comment letter (CL) regulation affects stock price synchronicity. We find solid evidence that stock exchanges’ CL process can significantly reduce synchronicity, and this effect is attenuated by political connection and state ownership. Further study shows that the negative correlation is more pronounced when CLs address major accounting issues, target firms take longer time to prepare responses, and the responses are accompanied with verifications from related third parties. Our results confirm the positive role of the CL regulation in enhancing firm-specific information disclosure and have implications for the improvement of market efficiency in emerging nations.
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