Maureen O'Hara

Maureen O'Hara

Area Coordinator of Finance
Robert W. Purcell Professorship of Management
Professor of Finance

447 Sage Hall
Samuel Curtis Johnson Graduate School of Management
Cornell University
Ithaca, NY 14853-6201
Phone: 607-255-3645

Maureen O’Hara is the Robert W. Purcell Professor of Finance at the Johnson Graduate School of Management, Cornell University. She holds degrees from the University of Illinois (B.S. Economics), and Northwestern University (M.S. Economics and Ph.D. Finance), and Honorary Doctorates from Facultés Universitaires Catholiques à Mons (FUCAM), Belgium, Universität Bern, Switzerland, and University College Dublin.

Professor O'Hara's research focuses on issues in market microstructure, and she is the author of numerous journal articles as well as the book Market Microstructure Theory (Blackwell: 1995). Her most recent research looks at the how ETFs affect market stability, high frequency market microstructure, , and corporate governance problems in banks. Dr. O'Hara also publishes widely on a broad range of topics including banking and financial intermediaries, law and finance, and experimental economics. Professor O’Hara has served as President of the American Finance Association, the Western Finance Association, the Financial Management Association, the Society for Financial Studies and the International Atlantic Economic Society. She was the Executive Editor of the Review of Financial Studies.

Professor O’Hara is Chairman of the Board of Directors of Investment Technology Group, Inc. (ITG), a global agency brokerage firm, and she serves on the Board of Directors of NewStar Financial, a commercial finance company, where she is on the audit and governance committees. She also serves on the Board of Trustees of Teachers Insurance and Annuity Association (TIAA-CREF). She was a member of the CFTC-SEC Emerging Regulatory Issues Task Force (the “flash crash” committee), the Global Advisory Board of the Securities Exchange Board of India (SEBI), and the Advisory Board of the Office of Financial Research, U.S. Treasury, and she is currently serving on the SEC Equity Market Structure Advisory Board.

She has consulted for a number of companies and organizations, including Facebook, Microsoft, Merrill Lynch, Credit Suisse, the New York Stock Exchange, Bristol-Meyers Squibb, and the World Federation of Exchanges.

Curriculum Vitae (CV)

Click here to view the curriculum vitae (PDF document).

Accepted Papers

  • Macey, Johnathan; O'Hara, Maureen.  "Bank Corporate Governance: A Proposal for the Post-Crisis World"  Economic Policy Review - Federal Reserve Bank of New York  (Accepted)

  • Easley, David; O'Hara, Maureen; Yang, L.  "Differential Access to Price Information in Financial Markets"  Journal of Financial and Quantitative Analysis  (Accepted)

  • Easley, D.; Lopez de Prado, M.; O'Hara, Maureen.  "Discerning Information from Trade Data"  Journal of Financial Economics  (Accepted)

Published Papers

Working Papers

Scholarly Books

Book Chapters

  • O'Hara, Maureen, 2013, How to Prevent a Second Flash Crash, in Strengthening the Liquidity of Secondary Financial Markets, eds Richard Herring, Wharton Books.

  • Easley, David Alan; O'Hara, Maureen, 2003, Microstructure and asset pricing, in Handbook of the Economics of Finance, eds G. Constantinides, M. Harris, R. Stulz, Elsevier.

  • O'Hara, Maureen, 1998, Liquidity and Less Frequently Traded Stocks, in Equity Market Structure for Large- and Mid-Cap Stocks, eds Robert Schwartz and W. Gerke, Deutsche Borse.

  • Bloomfield, Robert J.; O'Hara, Maureen, 1998, Experimenting with Transparency, in Organization and Quality of Equity Markets, eds P. Davidoff, Paris University Press.

Technical Reports

  • Linton, Oliver; O'Hara, Maureen, 2011, The impact of computer trading on liquidity, price efficiency/discovery and transaction costs; The Foresight Project on the Future of Computer Trading in Financial Markets, UK Government Office for Science.