Jonathan M. Karpoff

University of Washington - Michael G. Foster School of Business

Washington Mutual Endowed Chair in Innovation and Professor of Finance

Box 353226

Seattle, WA 98195-3200

United States

European Corporate Governance Institute (ECGI)

c/o the Royal Academies of Belgium

Rue Ducale 1 Hertogsstraat

1000 Brussels

Belgium

SCHOLARLY PAPERS

40

DOWNLOADS
Rank 543

SSRN RANKINGS

Top 543

in Total Papers Downloads

50,529

SSRN CITATIONS
Rank 914

SSRN RANKINGS

Top 914

in Total Papers Citations

539

CROSSREF CITATIONS

717

Scholarly Papers (40)

1.

The Impact of Shareholder Activism on Target Companies: A Survey of Empirical Findings

Number of pages: 49 Posted: 01 Mar 2006
Jonathan M. Karpoff
University of Washington - Michael G. Foster School of Business
Downloads 6,861 (1,218)
Citation 147

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Shareholder activism

2.

The Determinants of Corporate Board Size and Composition: An Empirical Analysis

Journal of Financial Economics (JFE), Vol. 85, No. 1, 2007, AFA 2005 Philadelphia Meetings
Number of pages: 36 Posted: 18 Oct 2004 Last Revised: 21 Jun 2017
Texas Christian University - M.J. Neeley School of Business, University of Delaware - Alfred Lerner College of Business and Economics, University of Washington - Michael G. Foster School of Business and Wake Forest University
Downloads 4,205 (2,825)
Citation 119

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Boards of Directors, IPOs, Ownership Evolution

3.

Proxies and Databases in Financial Misconduct Research

Accounting Review, Forthcoming, Georgetown McDonough School of Business Research Paper No. 2811778
Number of pages: 67 Posted: 16 Feb 2017
Jonathan M. Karpoff, Allison Koester, D. Scott Lee and Gerald S. Martin
University of Washington - Michael G. Foster School of Business, Georgetown University, University of Nevada, Las Vegas - Lee Business School and American University - Kogod School of Business
Downloads 4,121 (2,935)
Citation 22

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financial misconduct, restatements, securities class action lawsuits, AAERs

4.

The Cost to Firms of Cooking the Books

Journal of Financial and Quantitative Analysis, 43, September 2008, 581-612.
Number of pages: 31 Posted: 02 Feb 2005 Last Revised: 21 Jun 2017
Jonathan M. Karpoff, D. Scott Lee and Gerald S. Martin
University of Washington - Michael G. Foster School of Business, University of Nevada, Las Vegas - Lee Business School and American University - Kogod School of Business
Downloads 3,755 (3,436)
Citation 61

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Financial reporting violations, fraud, financial disclosure, penalties, reputation

5.

Internal Corporate Governance, CEO Turnover, and Earnings Management

Journal of Financial Economics (JFE), 2012 (104), 44-69.
Number of pages: 60 Posted: 22 Mar 2010 Last Revised: 15 Jan 2013
Sonali Hazarika, Jonathan M. Karpoff and Rajarishi Nahata
Zicklin School of Business, Department of Economics and Finance, Baruch College - The City University of New York, University of Washington - Michael G. Foster School of Business and City University of New York, Baruch College - Zicklin School of Business - Department of Economics and Finance
Downloads 2,225 (8,244)
Citation 21

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Management turnover, earnings management, corporate governance

6.

Foreign Bribery: Incentives and Enforcement

Number of pages: 71 Posted: 22 Mar 2010 Last Revised: 09 Apr 2017
Jonathan M. Karpoff, D. Scott Lee and Gerald S. Martin
University of Washington - Michael G. Foster School of Business, University of Nevada, Las Vegas - Lee Business School and American University - Kogod School of Business
Downloads 2,217 (8,290)
Citation 6

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Bribery, FCPA, penalties, financial misrepresentation, fraud

7.

Short Sellers and Financial Misconduct

Journal of Finance, Vol. 65, No. 5 (October 2010), pp. 1879-1913, AFA 2008 San Francisco Meetings Paper, EFA 2008 Athens Meetings Paper
Number of pages: 72 Posted: 06 Mar 2008 Last Revised: 21 Jun 2017
Jonathan M. Karpoff and Xiaoxia Lou
University of Washington - Michael G. Foster School of Business and University of Delaware - Alfred Lerner College of Business and Economics
Downloads 2,217 (8,290)
Citation 58

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Short sales, financial misrepresentation, market efficiency, information

8.

The Legal Penalties for Financial Misrepresentation

Number of pages: 55 Posted: 29 Sep 2006
Jonathan M. Karpoff, D. Scott Lee and Gerald S. Martin
University of Washington - Michael G. Foster School of Business, University of Nevada, Las Vegas - Lee Business School and American University - Kogod School of Business
Downloads 1,876 (10,888)
Citation 22

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Fraud, penalties, Securities and Exchange Commission, financial misrepresentation

9.

Short Selling and Earnings Management: A Controlled Experiment

Journal of Finance, Vol 71, No. 3 (June 2016), pp. 1251-1294
Number of pages: 44 Posted: 29 Jun 2013 Last Revised: 21 Jun 2017
Vivian W. Fang, Allen Huang and Jonathan M. Karpoff
University of Minnesota - Twin Cities - Carlson School of Management, Hong Kong University of Science and Technology - Department of Accounting and University of Washington - Michael G. Foster School of Business
Downloads 1,853 (11,126)
Citation 36

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Regulation SHO, Pilot Program, Short Selling, Earnings Management, Fraud Discovery, Price Efficiency

10.

Takeover Defenses of IPO Firms

Journal of Finance, Vol. 57, No. 5, October 2002
Number of pages: 34 Posted: 08 Jan 2002 Last Revised: 29 Aug 2008
Laura Casares Field and Jonathan M. Karpoff
University of Delaware - Alfred Lerner College of Business and Economics and University of Washington - Michael G. Foster School of Business
Downloads 1,822 (11,413)
Citation 18

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Initial Public Offerings, Takeover Defenses, Acquisitions

11.

The Consequences to Managers for Financial Misrepresentation

Journal of Financial Economics, 88, May 2008, 193-215.
Number of pages: 52 Posted: 11 Sep 2007 Last Revised: 18 Sep 2012
Jonathan M. Karpoff, D. Scott Lee and Gerald S. Martin
University of Washington - Michael G. Foster School of Business, University of Nevada, Las Vegas - Lee Business School and American University - Kogod School of Business
Downloads 1,591 (14,126)
Citation 27

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Management turnover, CEO turnover, financial misrepresentation, fraud, penalties, Securities and Exchange Commission

12.

Institutional and Legal Context in Natural Experiments: The Case of State Antitakeover Laws

Journal of Finance, 73(2), 657-714, April 2018
Number of pages: 59 Posted: 11 Sep 2014 Last Revised: 18 Jul 2018
Jonathan M. Karpoff and Michael D. Wittry
University of Washington - Michael G. Foster School of Business and Ohio State University (OSU) - Department of Finance
Downloads 1,587 (14,174)
Citation 36

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Antitakeover laws, business combination laws, takeover defenses, natural experiments, test identification

13.

Thirty Years of Shareholder Activism: A Survey of Empirical Research

Journal of Corporate Finance, Vol. 44, June 2017, pp. 405-424
Number of pages: 20 Posted: 20 May 2015 Last Revised: 21 Jun 2017
Matthew Denes, Jonathan M. Karpoff and Victoria McWilliams
Carnegie Mellon University - Tepper School of Business, University of Washington - Michael G. Foster School of Business and Villanova University
Downloads 1,502 (15,477)
Citation 29

Abstract:

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Shareholder activism, hedge fund activism

14.

Financial Reporting Fraud and Other Forms of Misconduct: A Multidisciplinary Review of the Literature

Review of Accounting Studies, 2018, Vol 23(2), 732-783, Columbia Business School Research Paper No. 17-87
Number of pages: 90 Posted: 22 Aug 2017 Last Revised: 25 May 2018
Tel Aviv University - Coller School of Management, Florida State University, Duke University School of Law, Georgetown University - Robert Emmett McDonough School of Business, University of Washington - Michael G. Foster School of Business and University of Southern California - Leventhal School of Accounting
Downloads 1,489 (15,705)
Citation 21

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Financial reporting, fraud, misconduct, irregularities, misreporting, misrepresentation

15.

The Reputational Penalties for Environmental Violations: Empirical Evidence

Journal of Law and Economics, Vol. 68 (October 2005), pp. 653-675
Number of pages: 35 Posted: 16 Aug 2005 Last Revised: 21 Jun 2017
Jonathan M. Karpoff, John R. Lott and Eric W. Wehrly
University of Washington - Michael G. Foster School of Business, Crime Prevention Research Center and Western Washington University
Downloads 1,447 (16,440)
Citation 26

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Environmental violations, corporate misconduct, legal penalties, reputation costs

16.

The Lifecycle Effects of Corporate Takeover Defenses

Forthcoming, The Review of Financial Studies, European Corporate Governance Institute – Finance Working Paper 761/2021
Number of pages: 67 Posted: 13 Jul 2016 Last Revised: 12 Jul 2021
William C. Johnson, Jonathan M. Karpoff, Sangho Yi and Sangho Yi
University of Massachusetts Lowell - The Robert J. Manning School of Business, University of Washington - Michael G. Foster School of Business and Sogang Universityaffiliation not provided to SSRN
Downloads 1,248 (20,559)
Citation 11

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Takeover defenses, antitakeover provisions, value reversal, lifecycle

17.

Do Takeover Defense Indices Measure Takeover Deterrence?

Review of Financial Studies (July 2017) 30 (7): 2359-2412
Number of pages: 54 Posted: 22 May 2015 Last Revised: 21 Jun 2017
Jonathan M. Karpoff, Robert J. Schonlau and Eric W. Wehrly
University of Washington - Michael G. Foster School of Business, Colorado State University, Fort Collins - Department of Finance & Real Estate and Western Washington University
Downloads 1,040 (26,801)
Citation 12

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Antitakeover provisions, takeover defenses, G-index, E-index, acquisitions

18.

On the Determinants and Importance of Punitive Damage Awards

Journal of Law & Economics, Vol. 42, pp. 527-573, 1999
Number of pages: 58 Posted: 07 Jun 2001 Last Revised: 29 Aug 2008
Jonathan M. Karpoff and John R. Lott
University of Washington - Michael G. Foster School of Business and Crime Prevention Research Center
Downloads 1,038 (26,888)
Citation 4

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19.

The Bonding Hypothesis of Takeover Defenses: Evidence from IPO Firms

Journal of Financial Economics (JFE), 117 (2) (August 2015), pp. 307-332
Number of pages: 26 Posted: 07 Sep 2011 Last Revised: 21 Jun 2017
William C. Johnson, Jonathan M. Karpoff, Sangho Yi and Sangho Yi
University of Massachusetts Lowell - The Robert J. Manning School of Business, University of Washington - Michael G. Foster School of Business and Sogang Universityaffiliation not provided to SSRN
Downloads 956 (30,256)
Citation 17

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antitakeover provisions, governance, firm value, initial public offerings

20.

Do Pills Poison Operating Performance?

Journal of Corporate Finance, Vol. 12, 2006, pp. 536-559
Number of pages: 45 Posted: 09 May 2002 Last Revised: 21 Jun 2017
Jonathan M. Karpoff and Morris G. Danielson
University of Washington - Michael G. Foster School of Business and Saint Joseph's University - Department of Finance
Downloads 866 (34,751)
Citation 6

Abstract:

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poison pills, operating performance

21.

Corporate Governance and Shareholder Initiatives: Empirical Evidence

Journal of Financial Economics, Vol. 42, pp. 365-395, 1996
Number of pages: 31 Posted: 01 Jul 1996 Last Revised: 29 Jul 2011
Jonathan M. Karpoff, Paul H. Malatesta and Ralph A. Walkling
University of Washington - Michael G. Foster School of Business, University of Washington - Michael G. Foster School of Business and Drexel University - Lebow College of Business
Downloads 782 (39,963)
Citation 13

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22.

Public Versus Private Initiative in Arctic Exploration: The Effects of Incentives and Organizational Structure

Journal of Political Economy, Vol. 107, No. 4 (February 2001), pp. 38-78.
Number of pages: 41 Posted: 09 May 2000 Last Revised: 21 Jun 2017
Jonathan M. Karpoff
University of Washington - Michael G. Foster School of Business
Downloads 684 (47,885)
Citation 3

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23.

Shareholder Perks and Firm Value

Forthcoming, The Review of Financial Studies
Number of pages: 47 Posted: 09 Jun 2015 Last Revised: 06 Jul 2021
Jonathan M. Karpoff, Robert J. Schonlau and Katsushi Suzuki
University of Washington - Michael G. Foster School of Business, Colorado State University, Fort Collins - Department of Finance & Real Estate and Hitotsubashi University - Graduate School of International Corporate Strategy
Downloads 562 (61,613)

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Shareholder perks, retail investors, share liquidity, cost of capital, signaling

24.

Which antitakeover provisions deter takeovers?

Number of pages: 79 Posted: 17 Mar 2018 Last Revised: 08 Jun 2021
Jonathan M. Karpoff, Robert J. Schonlau and Eric W. Wehrly
University of Washington - Michael G. Foster School of Business, Colorado State University, Fort Collins - Department of Finance & Real Estate and Western Washington University
Downloads 560 (61,898)
Citation 1

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Antitakeover provisions, takeover defenses, takeover likelihood, governance, acquisitions

25.

Defense Procurement: Fraud, Penalties, and Contractor Influence

Journal of Political Economy, 107, August 1999, 809-842.
Number of pages: 34 Posted: 08 Dec 1998 Last Revised: 21 Jun 2017
Jonathan M. Karpoff, D. Scott Lee and Valaria P. Vendrzyk
University of Washington - Michael G. Foster School of Business, University of Nevada, Las Vegas - Lee Business School and Virginia Polytechnic Institute & State University - Department of Accounting and Information Systems
Downloads 537 (65,203)
Citation 3

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26.

The Trust Triangle: Laws, Reputation, and Culture in Empirical Finance Research

Karpoff, Jonathan M. and Quentin Dupont, 2020. The Trust Triangle: Laws, Reputation, and Culture in Empirical Finance Research (with Quentin Dupont), The Journal of Business Ethics, 163, 217–238.
Number of pages: 50 Posted: 31 Jan 2018 Last Revised: 10 Aug 2020
Quentin Dupont and Jonathan M. Karpoff
Georgetown University - Robert Emmett McDonough School of Business and University of Washington - Michael G. Foster School of Business
Downloads 466 (77,688)
Citation 6

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Trust, accountability, opportunism, fraud, reputation, culture

27.

Lockup Agreements in Seasoned Equity Offerings: Evidence of Optimal Contracting

Journal of Financial Economics (JFE), 110 (2013), pp. 607-626
Number of pages: 20 Posted: 01 Oct 2011 Last Revised: 21 Jun 2017
Jonathan M. Karpoff, Gemma Lee and Ronald W. Masulis
University of Washington - Michael G. Foster School of Business, Kyung Hee University and University of New South Wales, Sydney
Downloads 453 (80,352)
Citation 10

Abstract:

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seasoned equity offerings, lockups, information asymmetry

28.

On a Stakeholder Model of Corporate Governance

Financial Management, European Corporate Governance Institute – Finance Working Paper No. 749/2021
Number of pages: 52 Posted: 29 Jul 2020 Last Revised: 16 Apr 2021
Jonathan M. Karpoff
University of Washington - Michael G. Foster School of Business
Downloads 384 (97,439)

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Stakeholders, shareholders, CSR, externalities, corporate governance

29.

The Prevalence and Costs of Financial Misrepresentation

Number of pages: 60 Posted: 25 Feb 2020
University of Washington, University of Washington - Michael G. Foster School of Business, University of Washington - Michael G. Foster School of Business and American University - Kogod School of Business
Downloads 320 (119,365)
Citation 4

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Fraud, prediction, enforcement, social cost

30.

Reply to 'The Reg SHO Reanalysis Project: Reconsidering Fang, Huang and Karpoff (2016) on Reg SHO and Earnings Management' by Black et al. (2019)

Number of pages: 33 Posted: 17 Jan 2020
Vivian W. Fang, Allen Huang and Jonathan M. Karpoff
University of Minnesota - Twin Cities - Carlson School of Management, Hong Kong University of Science and Technology - Department of Accounting and University of Washington - Michael G. Foster School of Business
Downloads 318 (120,204)
Citation 2

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Replication, Regulation SHO, Pilot Program, Short Selling, Earnings Management

31.

Information Precision, Transaction Costs, and Trading Volume

Journal of Banking and Finance, Vol. 28, No. 6, 2004
Number of pages: 17 Posted: 29 Oct 1997 Last Revised: 21 Jun 2017
Orie E. Barron and Jonathan M. Karpoff
Pennsylvania State University and University of Washington - Michael G. Foster School of Business
Downloads 309 (123,892)
Citation 16

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32.

The Future of Financial Fraud

Journal of Corporate Finance, Forthcoming
Number of pages: 31 Posted: 25 Jul 2020 Last Revised: 17 Aug 2020
Jonathan M. Karpoff
University of Washington - Michael G. Foster School of Business
Downloads 297 (129,274)
Citation 2

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Financial misconduct, fraud, trust, reputation

33.

The Consequences to Directors for Deploying Poison Pills

Fisher College of Business Working Paper No. 2019-03-023, Charles A. Dice Center Working Paper No. 2019-23
Number of pages: 55 Posted: 27 Sep 2019 Last Revised: 26 Jul 2021
William C. Johnson, Jonathan M. Karpoff and Michael D. Wittry
University of Massachusetts Lowell - The Robert J. Manning School of Business, University of Washington - Michael G. Foster School of Business and Ohio State University (OSU) - Department of Finance
Downloads 293 (131,144)

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poison pills, director reputation, director turnover, director labor market

34.

The Tragedy of ‘The Tragedy of the Commons’ – Hardin vs. the Property Rights Theorists

Forthcoming, The Journal of Law and Economics, European Corporate Governance Institute – Finance Working Paper No. 750/2021
Number of pages: 34 Posted: 03 Mar 2020 Last Revised: 12 Jul 2021
Jonathan M. Karpoff
University of Washington - Michael G. Foster School of Business
Downloads 239 (161,050)
Citation 1

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Property rights, commons, non-exclusivity, environment, externalities, fisheries

35.

Data Appendix for The Lifecycle Effects of Firm Takeover Defenses

Number of pages: 9 Posted: 25 Jul 2016 Last Revised: 21 Mar 2017
William C. Johnson, Jonathan M. Karpoff, Sangho Yi and Sangho Yi
University of Massachusetts Lowell - The Robert J. Manning School of Business, University of Washington - Michael G. Foster School of Business and Sogang Universityaffiliation not provided to SSRN
Downloads 160 (231,324)

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Takeover defenses, antitakeover provisions, bonding, entrenchment, lifecycle

36.

Enforcement Waves and Spillovers

Number of pages: 43 Posted: 24 Feb 2020
Hae Mi Choi, Jonathan M. Karpoff, Xiaoxia Lou and Gerald S. Martin
Loyola University Chicago, University of Washington - Michael G. Foster School of Business, University of Delaware - Alfred Lerner College of Business and Economics and American University - Kogod School of Business
Downloads 117 (295,004)
Citation 2

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SEC, misrepresentation, fraud, enforcement, market efficiency

37.

The Grey Areas of Firm Behavior: An Economic Perspective

Socio-Economic Review, Vol. 12 (January 2014), pp. 167-176.
Number of pages: 16 Posted: 21 Jun 2017
Jonathan M. Karpoff
University of Washington - Michael G. Foster School of Business
Downloads 67 (416,204)

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Invisible hand, externalities, social welfare

38.

Online Appendix for The Lifecycle Effects of Corporate Takeover Defenses

Number of pages: 74 Posted: 25 Jul 2016 Last Revised: 04 May 2021
William C. Johnson, Jonathan M. Karpoff, Sangho Yi and Sangho Yi
University of Massachusetts Lowell - The Robert J. Manning School of Business, University of Washington - Michael G. Foster School of Business and Sogang Universityaffiliation not provided to SSRN
Downloads 65 (422,863)

Abstract:

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Takeover defenses, antitakeover provisions, bonding, entrenchment, lifecycle

39.

State Takeover Legislation and Share Values: The Wealth Effects of Pennsylvania's Act 36

Posted: 14 Sep 1999
Jonathan M. Karpoff and Paul H. Malatesta
University of Washington - Michael G. Foster School of Business and University of Washington - Michael G. Foster School of Business

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40.

Management Turnover and Corporate Governance Changes Following the Revelation of Fraud

Posted: 02 Dec 1998
Anup Agrawal, Jeffrey F. Jaffe and Jonathan M. Karpoff
University of Alabama - Culverhouse College of Commerce & Business Administration, University of Pennsylvania - Finance Department and University of Washington - Michael G. Foster School of Business

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