Adverse selection and the presence of informed trading ¬リニ
نویسندگان
چکیده
Article history: Received 2 March 2015 Received in revised form 19 May 2015 Accepted 26 May 2015 Available online 9 June 2015 Wecombine two concepts of informed trading – contrarian trades and stealth trading – to develop proxies for the probability of informed trading. These proxies are used to test the link between informed trading and adverse selection asmeasuredbybid–ask spreads and stock illiquidity. The estimation results show that these proxies, which are based on the probability of contrarian trading (PC) and progressively refined thereon, are all highly significantly positive in various empirical specifications of the cross-sectional determinants of spreads and illiquidity across stocks, and after controlling for important firm characteristics and trading factors. The robustness of our PCbased proxies for informed trading in these analyses, especially for the further refined measures, suggests that they successfully capture the adverse selection component of bid–ask spreads and illiquidity due to information asymmetry. © 2015 Elsevier B.V. All rights reserved. JEL classification: G10 G14 G19
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