Algorithmic trading (AT) has increased sharply over the past decade. Does it improve market quality, and should it be encouraged? We provide the first analysis of this question. The New York Stock Exchange automated quote dissemination in 2003, and we use this change in market structure that increases AT as an exogenous instrument to measure the causal effect of AT on liquidity. For large stocks in particular, AT narrows spreads, reduces adverse selection, and reduces trade-related price discovery. The findings indicate that AT improves liquidity and enhances the informativeness of quotes.
机构:
Columbia Univ, Dept Econ, New York, NY 10027 USA
Columbia Univ, Dept Polit Sci, New York, NY 10027 USAColumbia Univ, Dept Econ, New York, NY 10027 USA
Casella, Alessandra
Mace, Antonin
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Ecole Normale Super, Econ Dept, F-75230 Paris, France
Paris Sch Econ, CNRS, F-75014 Paris, FranceColumbia Univ, Dept Econ, New York, NY 10027 USA
机构:
Barclays Capital Inc, Barclays Bank PLC, New York Branch, 745 Seventh Ave, New York, NY 10019 USABarclays Capital Inc, Barclays Bank PLC, New York Branch, 745 Seventh Ave, New York, NY 10019 USA
Tucci, Gabriel H.
Vega, M. Valentina
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机构:
William Paterson Univ, Dept Math, 300 Pompton Rd, Wayne, NJ 07470 USABarclays Capital Inc, Barclays Bank PLC, New York Branch, 745 Seventh Ave, New York, NY 10019 USA
机构:
Dept. of Business Administration, Fu-Jen Catholic University
Dept. of Business Administration, Fu-Jen Catholic University, 242, Hsin-Chuang, TaipeiDept. of Business Administration, Fu-Jen Catholic University
Shu P.-G.
Chiu S.-B.
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机构:
Department of Finance, National Taiwan UniversityDept. of Business Administration, Fu-Jen Catholic University
Chiu S.-B.
Chen H.-C.
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机构:
Department of Finance, Yuan Ze UniversityDept. of Business Administration, Fu-Jen Catholic University
Chen H.-C.
Yeh Y.-H.
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机构:
Dept. of Intl. Trade and Finance, Fu-Jen Catholic UniversityDept. of Business Administration, Fu-Jen Catholic University
机构:
Univ South Australia, UniSA Business Sch, Adelaide, SA, AustraliaUniv South Australia, UniSA Business Sch, Adelaide, SA, Australia
Zhou, Hao
Elliott, Robert J.
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机构:
Univ South Australia, UniSA Business Sch, Adelaide, SA, Australia
Univ Calgary, Haskayne Sch Business, Calgary, AB, CanadaUniv South Australia, UniSA Business Sch, Adelaide, SA, Australia
Elliott, Robert J.
Kalev, Petko S.
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机构:
La Trobe Univ, La Trobe Business Sch, Melbourne, Vic, AustraliaUniv South Australia, UniSA Business Sch, Adelaide, SA, Australia