期刊
INTERNATIONAL REVIEW OF LAW AND ECONOMICS
卷 55, 期 -, 页码 33-40出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.irle.2018.03.002
关键词
Stock market; High frequency trading; Flash crashes; Non-profit; SEC
Volatile events in the stock market such as the 2010 Flash Crash have sparked concern that financial markets are rigged in favor of trading firms that use high frequency trading (HFT) systems. We analyze a regulatory change implemented by the SEC in 2007 by examining its effect on a key market metric, the bid-ask spread, an investor cost, and find that the regulatory shift, indeed, disadvantages investors. We link the implementation of this change to a shift in the volume of trades from a low-cost venue to a high-cost venue. We argue that this outcome is predicted by the incentives of the venues, non-profit stock exchanges owned by different types of members. The less-volatile, lower-cost New York Stock Exchange was owned by underwriters and included a specialist system that is less vulnerable to HFT tactics that can disadvantage investors. (C) 2018 Elsevier Inc. All rights reserved.
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