Research
Working papers
Institutional Ownership Overstates Voting Power: The Allocation of Voting Authority, with Tao Li
Foreign Limited Partner Investments in Private Funds: Investment Committee Decision Making and Realized Performance, with Guy Lakan and Yishay Yafeh
Honourable Mention, International Centre for Pension Management Research Award, 2025
The Proxy Voting Choice Revolution, with Tao Li, Dorothy Lund, and Zikui Pan
Did ERISA's prudent man rule change the pricing of dividend omitting firms?, with J.B. Heaton, 1998
Explaining the Underperformance of Initial Public Offerings: A Cumulative Prospect Theory Approach, with J.B. Heaton, 1996
Publications
Hedge Fund Activism: Influence, Control, and Corporate Governance, with Wei Jiang and Minghao Wu, forthcoming in B. Espen Eckbo (ed.), Handbook of the Economics of Corporate Finance, Vol. 2: Corporate Takeovers and the Market for Corporate Control, Elsevier, 2026
Flows, Financing Decisions, and Institutional Ownership of the U.S. Equity Market, with Dorothy Lund and Lin Zhao, Journal of Corporation Law 51(2), 2026
Shareholder Monitoring Through Voting: New Evidence from Proxy Contests, with Wei Jiang, Tao Li, and James Pinnington, Review of Financial Studies 37(2), 2024
Aberdeen Standard Investments Prize for the best paper in the ECGI Finance Working Paper Series, 2020
Corporate Governance Implications of the Growth in Indexing, with Nadya Malenko and Andrey Malenko, Oxford Research Encyclopedia of Economics and Finance, 2023
Governance by Persuasion: Hedge Fund Activism and Market-Based Shareholder Influence, with Wei Jiang and Rongchen Li, Oxford Research Encyclopedia of Economics and Finance, 2022
Retail Shareholder Participation in the Proxy Process: Monitoring, Engagement, and Voting, with Matthew Cain and Jonathon Zytnick, Journal of Financial Economics 144(2), 2022
Wolf Pack Activism, with Amil Dasgupta and Richmond Mathews, Management Science 68(8), 2022
Validation Capital, with Dorothy Lund and Edward Rock, Texas Law Review 99(7), 2021
Brown Assets for the Prudent Investor, with J.B. Heaton, Harvard Business Law Review Online 12, 2021
Dancing with Activists, with Lucian Bebchuk, Wei Jiang, and Thomas Keusch, Journal of Financial Economics 137(1), 2020
Best Paper Award, FMA Consortium on Activist Investors, Corporate Governance and Hedge Funds, 2015
How Does Hedge Fund Activism Reshape Corporate Innovation?, with Wei Jiang, Song Ma, and Xuan Tian, Journal of Financial Economics 130(2), 2018
Best Paper Award, Corporate Governance Symposium, John L. Weinberg Center for Corporate Governance, University of Delaware, 2016
Jensen Prize for the best corporate finance and organizations paper published in the Journal of Financial Economics, 2018
Failed Anti-Activist Legislation: The Curious Case of the Brokaw Act, with J.B. Heaton and Jonathan Zandberg, Journal of Business, Entrepreneurship & the Law 11(2), 2018
The Real Effects of Hedge Fund Activism: Productivity, Asset Allocation, and Labor Outcomes, with Wei Jiang and Hyunseob Kim, Review of Financial Studies 28(10), 2015
Barclays Global Investors Michael Brennan Award for the best paper published in the Review of Financial Studies, 2016
The Long-Term Effects of Hedge Fund Activism, with Lucian Bebchuk and Wei Jiang, Columbia Law Review 115(5), 2015
Recent Advances in Research on Hedge Fund Activism: Value Creation and Identification, with Wei Jiang and Hyunseob Kim, Annual Review of Financial Economics 7, 2015
Event Studies in Securities Litigation: Low Power, Confounding Effects, and Bias, with J.B. Heaton, Washington University Law Review 93(2), 2015
Pre-Disclosure Accumulations by Activist Investors: Evidence and Policy, with Lucian Bebchuk, Robert Jackson, and Wei Jiang, Journal of Corporation Law 39, 2013
Hedge Fund Activism, with Wei Jiang and Hyunseob Kim, Chapter 7 in Research Handbook on Hedge Funds, Private Equity and Alternative Investments, ed. Phoebus Athanassiou, 2012
Empty Voting and the Efficiency of Corporate Governance, with Richmond Mathews, Journal of Financial Economics 99(2), 2011
Hedge Fund Activism: A Review, with Wei Jiang and Hyunseob Kim, Foundations and Trends in Finance 4(3), 2010
The Limits of the Limits of Arbitrage, with J.B. Heaton and Si Li, Review of Finance 14, 2010
Runner-up, Deutsche Bank Best Paper Prize, Review of Finance, 2010
Activist Arbitrage: A Study of Open-Ending Attempts of Closed-End Funds, with Michael Bradley, Itay Goldstein, and Wei Jiang, Journal of Financial Economics 95(1), 2010
The Idiosyncratic Volatility Puzzle: Time Trend or Speculative Episodes?, with Michael Brandt, John Graham, and Alok Kumar, Review of Financial Studies 23(2), 2010
Evidence on the Tradeoff between Risk and Return for IPO and SEO Firms, with Roni Michaely, Michael Roberts, and Rebecca Zarutskie, Financial Management 38(2), 2009
Hedge Fund Activism, Corporate Governance, and Firm Performance, with Wei Jiang, Frank Partnoy, and Randall Thomas, Journal of Finance 63(4), 2008
Finalist, Brattle Prize, Journal of Finance, 2008
INQUIRE UK Annual Best Paper Prize, 2007
Roger F. Murray Prize (2nd place), Q Group, 2007
Chicago Quantitative Alliance Annual Academic Competition, 2nd prize, 2007
The Returns to Hedge Fund Activism, with Wei Jiang, Frank Partnoy, and Randall Thomas, Financial Analysts Journal 64(6), 2008
Managerial Response to the May 2003 Dividend Tax Cut, with John Graham, Campbell Harvey, and Roni Michaely, Financial Management 37(4), 2008
The Effect of the May 2003 Dividend Tax Cut on Corporate Dividend Policy: Empirical and Survey Evidence, with John Graham, Campbell Harvey, and Roni Michaely, National Tax Journal 61(3), 2008
Payout Policy in the 21st Century, with John Graham, Campbell Harvey, and Roni Michaely, Journal of Financial Economics 77(3), 2005
Jensen Prize for the best corporate finance paper published in the Journal of Financial Economics, 2005 · Survey data
Using Expectations to Test Asset Pricing Models, with Reuven Lehavy and Roni Michaely, Financial Management 34(3), 2005
The Rational-Behavioral Debate in Financial Economics, with J.B. Heaton and Alexander Rosenberg, Journal of Economic Methodology 11(4), 2004
An Empirical Analysis of Analysts' Target Prices: Short Term Informativeness and Long Term Dynamics, with Reuven Lehavy, Journal of Finance 58(5), 2003
Nominated for the Smith Breeden Prize, 2003
The Role of Lock-ups in Initial Public Offerings, with Paul Gompers, Review of Financial Studies 16(1), 2003
Market Indeterminacy, with J.B. Heaton, Journal of Corporation Law 28(4), 2003
Competing Theories of Financial Anomalies, with J.B. Heaton, Review of Financial Studies 15(2), 2002
Barclays Global Investors Michael Brennan Award for the best paper published in the Review of Financial Studies, 2003
Asset Pricing with Heterogeneous Consumers: Empirical Evidence, with George Constantinides and Chris Geczy, Journal of Political Economy 110(4), 2002
Inference in Long-Horizon Event Studies: A Bayesian Approach with Application to Initial Public Offerings, Journal of Finance 55(5), 2000
Is the Abnormal Return Following Equity Issuances Anomalous?, with Chris Geczy and Paul Gompers, Journal of Financial Economics 56, 2000
Myth or Reality? The Long-Run Underperformance of Initial Public Offerings: Evidence from Venture and Non-Venture-Backed Companies, with Paul Gompers, Journal of Finance 52(5), 1997
Smith Breeden Prize, Distinguished Paper, Journal of Finance, 1998
Data
The hedge fund activism event data used in the papers above are available to academic researchers on request.