Jonathan M. Karpoff

University of Washington - Michael G. Foster School of Business

Washington Mutual Endowed Chair in Innovation Professor of Finance

Box 353200

Seattle, WA 98195-3200

United States

SCHOLARLY PAPERS

31

DOWNLOADS
Rank 447

SSRN RANKINGS

Top 447

in Total Papers Downloads

33,605

CITATIONS
Rank 472

SSRN RANKINGS

Top 472

in Total Papers Citations

993

Scholarly Papers (31)

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 3,912 (1,163)
Citation 92

Abstract:

Shareholder activism

2.

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

AFA 2005 Philadelphia Meetings
Number of pages: 59 Posted: 18 Oct 2004 Last Revised: 18 Oct 2011
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 3,661 (1,679)
Citation 181

Abstract:

Boards of Directors, IPOs, Ownership Evolution

3.

The Cost to Firms of Cooking the Books

Journal of Financial and Quantitative Analysis, 43, September 2008, 581-612.
Number of pages: 49 Posted: 02 Feb 2005 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 2,635 (2,506)
Citation 119

Abstract:

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

Internal Corporate Governance, CEO Turnover, and Earnings Management

Number of pages: 60 Posted: 06 Sep 2009 Last Revised: 15 Mar 2011
Sonali Hazarika, Jonathan M. Karpoff and Rajarishi Nahata
CUNY Baruch College, University of Washington - Michael G. Foster School of Business and City University of New York, CUNY Baruch College - Zicklin School of Business - Department of Economics and Finance
Downloads 1,289 (10,968)
Citation 10

Abstract:

Management turnover, earnings management, corporate governance

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
CUNY Baruch College, University of Washington - Michael G. Foster School of Business and City University of New York, CUNY Baruch College - Zicklin School of Business - Department of Economics and Finance
Downloads 724 (26,245)
Citation 10

Abstract:

Management turnover, earnings management, corporate governance

5.
Downloads 1,766 ( 6,630)
Citation 28

Short Sellers and Financial Misconduct

Journal of Finance, Forthcoming, AFA 2008 San Francisco Meetings Paper, EFA 2008 Athens Meetings Paper
Number of pages: 72 Posted: 06 Mar 2008 Last Revised: 09 Jun 2010
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 1,426 (9,301)
Citation 28

Abstract:

Short sales, financial misrepresentation, market efficiency, information

Short Sellers and Financial Misconduct

Number of pages: 59 Posted: 07 Aug 2009 Last Revised: 09 Feb 2010
Xiaoxia Lou 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 340 (69,307)
Citation 28

Abstract:

Short selling, fraud, financial misconduct

6.

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 1,377 (8,343)
Citation 14

Abstract:

Fraud, penalties, Securities and Exchange Commission, financial misrepresentation

7.

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 1,352 (10,368)
Citation 60

Abstract:

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

8.

Proxies and Databases in Financial Misconduct Research

Number of pages: 61 Posted: 19 Jul 2012 Last Revised: 15 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 1,331 (5,071)
Citation 1

Abstract:

Financial misconduct, restatement, class action lawsuit, Securities and Exchange Commission

9.

Takeover Defenses at IPO Firms

Presented at Tuck-JFE Contemporary Corporate Governance Conference
Number of pages: 43 Posted: 24 Jul 2000
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 1,313 (10,474)
Citation 114

Abstract:

initial public offerings, antitakeover provisions, dual class shares, acquisitions

10.

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 1,076 (9,495)
Citation 1

Abstract:

Bribery, FCPA, penalties, financial misrepresentation, fraud

11.

The Reputational Penalties for Environmental Violations: Empirical Evidence

Journal of Law and Economics, Forthcoming
Number of pages: 35 Posted: 16 Aug 2005
Jonathan M. Karpoff, John R. Lott Jr. and Eric W. Wehrly
University of Washington - Michael G. Foster School of Business, Crime Prevention Research Center and Western Washington Univ. - College of Business and Economics
Downloads 1,039 (13,346)
Citation 32

Abstract:

Environmental violations, corporate misconduct, legal penalties, reputation costs

12.

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 Jr.
University of Washington - Michael G. Foster School of Business and Crime Prevention Research Center
Downloads 984 (17,004)
Citation 21

Abstract:

13.

Short Selling and Earnings Management: A Controlled Experiment

Journal of Finance, Forthcoming
Number of pages: 60 Posted: 29 Jun 2013 Last Revised: 18 Aug 2015
Vivian W. Fang, Allen Huang and Jonathan M. Karpoff
University of Minnesota - Twin Cities - Department of Accounting, Hong Kong University of Science and Technology - Department of Accounting and University of Washington - Michael G. Foster School of Business
Downloads 946 (9,205)

Abstract:

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

14.

Do Pills Poison Operating Performance?

Number of pages: 45 Posted: 09 May 2002
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 784 (22,937)
Citation 11

Abstract:

poison pills, operating performance

15.

The Bonding Hypothesis of Takeover Defenses: Evidence from IPO Firms

Journal of Financial Economics (JFE), Forthcoming
Number of pages: 64 Posted: 07 Sep 2011 Last Revised: 26 Feb 2015
William C. Johnson, Jonathan M. Karpoff and Sangho Yi
Suffolk University - Sawyer School of Management, University of Washington - Michael G. Foster School of Business and Sogang University
Downloads 618 (24,496)
Citation 3

Abstract:

antitakeover provisions, governance, firm value, initial public offerings

16.

Defense Procurement: Fraud, Penalties, and Contractor Influence

Journal of Political Economy, 107, August 1999, 809-842.
Number of pages: 48 Posted: 08 Dec 1998 Last Revised: 18 Sep 2012
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 429 (47,832)
Citation 22

Abstract:

17.
Downloads 425 ( 53,861)
Citation 1

Proxies and Databases in Financial Misconduct Research

Georgetown McDonough School of Business Research Paper No. 2811778
Number of pages: 61 Posted: 21 Jul 2016
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 250 (98,065)
Citation 1

Abstract:

financial misconduct, restatements, securities class action lawsuits, AAERs

Proxies and Databases in Financial Misconduct Research

Accounting Review, Forthcoming
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 175 (139,447)
Citation 1

Abstract:

financial misconduct, restatements, securities class action lawsuits, AAERs

18.

Lockup Agreements in Seasoned Equity Offerings: Evidence of Optimal Contracting

Journal of Financial Economics (JFE), Forthcoming
Number of pages: 76 Posted: 01 Oct 2011 Last Revised: 30 Sep 2013
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 - Australian School of Business
Downloads 318 (63,661)

Abstract:

seasoned equity offerings, lockups, information asymmetry

19.

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 309 (43,847)
Citation 137

Abstract:

20.

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

Journal of Finance, Forthcoming
Number of pages: 59 Posted: 11 Sep 2014 Last Revised: 11 Apr 2017
Jonathan M. Karpoff and Michael D. Wittry
University of Washington - Michael G. Foster School of Business and University of Washington - Department of Finance and Business Economics
Downloads 301 (26,359)

Abstract:

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

21.

Information Precision, Transaction Costs, and Trading Volume

Number of pages: 29 Posted: 29 Oct 1997
Orie E. Barron and Jonathan M. Karpoff
Pennsylvania State University and University of Washington - Michael G. Foster School of Business
Downloads 277 (84,547)
Citation 12

Abstract:

22.

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 267 (64,064)
Citation 114

Abstract:

Initial Public Offerings, Takeover Defenses, Acquisitions

23.

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

Journal of Political Economy, 2005
Number of pages: 41 Posted: 09 May 2000
Jonathan M. Karpoff
University of Washington - Michael G. Foster School of Business
Downloads 254 (78,648)
Citation 8

Abstract:

24.

Thirty Years of Shareholder Activism: A Survey of Empirical Research

Number of pages: 45 Posted: 20 May 2015 Last Revised: 25 Nov 2016
Matthew Denes, Jonathan M. Karpoff and Victoria McWilliams
University of Washington - Department of Finance and Business Economics, University of Washington - Michael G. Foster School of Business and Villanova University
Downloads 236 (28,516)
Citation 1

Abstract:

Shareholder activism, hedge fund activism

25.

Do Takeover Defense Indices Measure Takeover Deterrence?

Forthcoming, Review of Financial Studies
Number of pages: 77 Posted: 22 May 2015 Last Revised: 23 Nov 2016
Jonathan M. Karpoff, Robert J. Schonlau and Eric W. Wehrly
University of Washington - Michael G. Foster School of Business, Brigham Young University - Department of Finance and Western Washington Univ. - College of Business and Economics
Downloads 171 (35,689)

Abstract:

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

26.

Shareholder Perks, Ownership Structure, and Firm Value

Number of pages: 56 Posted: 09 Jun 2015 Last Revised: 22 Sep 2016
Jonathan M. Karpoff, Robert J. Schonlau and Katsushi Suzuki
University of Washington - Michael G. Foster School of Business, Brigham Young University - Department of Finance and Hitotsubashi University - Graduate School of Commerce and Management
Downloads 35 (144,654)

Abstract:

Shareholder perks, investor base, shareholder clienteles, ex-day return

27.

Online Appendix for The Lifecycle Effects of Takeover Defenses

Number of pages: 57 Posted: 25 Jul 2016 Last Revised: 10 Mar 2017
William C. Johnson, Jonathan M. Karpoff and Sangho Yi
Suffolk University - Sawyer School of Management, University of Washington - Michael G. Foster School of Business and Sogang University
Downloads 0 (444,487)

Abstract:

Takeover defenses, antitakeover provisions, bonding, entrenchment, lifecycle

28.

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 and Sangho Yi
Suffolk University - Sawyer School of Management, University of Washington - Michael G. Foster School of Business and Sogang University
Downloads 0 (423,988)

Abstract:

Takeover defenses, antitakeover provisions, bonding, entrenchment, lifecycle

29.

The Lifecycle Effects of Firm Takeover Defenses

Number of pages: 60 Posted: 13 Jul 2016 Last Revised: 04 Mar 2017
William C. Johnson, Jonathan M. Karpoff and Sangho Yi
Suffolk University - Sawyer School of Management, University of Washington - Michael G. Foster School of Business and Sogang University
Downloads 0 (86,868)

Abstract:

Takeover defenses, antitakeover provisions, bonding, entrenchment, lifecycle

30.

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

Abstract:

31.

Management Turnover and Corporate Governance Changes Following the Revelation of Fraud

Journal of Law and Economics, April 1999
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

Abstract: