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Information networks: Evidence from illegal insider trading tips

机译:信息网络:来自非法内幕交易技巧的证据

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This paper exploits a novel hand-collected data set to provide a comprehensive analysis of the social relationships that underlie illegal insider trading networks. I find that inside information flows through strong social ties based on family, friends, and geographic proximity. On average, inside tips originate from corporate executives and reach buy-side investors after three links in the network. Inside traders earn prodigious returns of 35% over 21 days, with more central traders earning greater returns, as information conveyed through social networks improves price efficiency. More broadly, this paper provides some of the only direct evidence of person-to-person communication among investors. (C) 2017 Elsevier B.V. All rights reserved.
机译:本文利用一种新颖的手工收集的数据集来提供对构成非法内幕交易网络基础的社会关系的全面分析。我发现内部信息是通过基于家人,朋友和地理位置的牢固社交关系流动的。平均而言,内部提示来自企业高管,并在网络中的三个链接之后到达买方投资者。内部交易者在21天之内可获得35%的丰厚回报,随着通过社交网络传达的信息提高了价格效率,更多的中央交易者获得了更高的回报。更广泛地说,本文提供了投资者之间人与人之间交流的唯一直接证据。 (C)2017 Elsevier B.V.保留所有权利。

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