Gregory J. Werden

U.S. Department of Justice - Antitrust Division

Senior Economic Counsel

450 Fifth Street, NW

9th Floor

Washington, DC 20530

United States

SCHOLARLY PAPERS

31

DOWNLOADS
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CITATIONS
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in Total Papers Citations

117

Scholarly Papers (31)

1.

Unilateral Competitive Effects of Horizontal Mergers

Handbook of Antitrust Economics, 2006
Number of pages: 95 Posted: 22 Oct 2006
Gregory J. Werden and Luke Froeb
U.S. Department of Justice - Antitrust Division and Vanderbilt University - Strategy and Business Economics
Downloads 1,129 (11,325)
Citation 28

Abstract:

antitrust, mergers, unilateral effects

2.

Essays on Consumer Welfare and Competition Policy

Number of pages: 34 Posted: 02 Mar 2009 Last Revised: 15 May 2009
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 986 (14,302)
Citation 1

Abstract:

antitrust, competition policy, consumer welfare

3.

Why (Ever) Define Markets? An Answer to Professor Kaplow

Number of pages: 21 Posted: 14 Feb 2012
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 872 (14,817)
Citation 2

Abstract:

antitrust, relevant market, market delineation

4.

The Effect of Antitrust Policy on Consumer Welfare: What Crandall and Winston Overlook

U.S. Department of Justice Antitrust Division Discussion Paper No. EAG 03-2
Number of pages: 9 Posted: 01 Apr 2003
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 824 (18,407)
Citation 18

Abstract:

5.

Unilateral Competitive Effects of Horizontal Mergers I: Basic Concepts and Models

Issues in Competition Law and Policy, 2008
Number of pages: 23 Posted: 22 Oct 2006 Last Revised: 05 Jan 2010
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 672 (23,346)

Abstract:

antitrust, mergers, unilateral effects

Economic Analysis of Lost Profits From Patent Infringement With and Without Noninfringing Substitutes

American Intellectual Property Law Association Quarterly Journal, Vol. 27, pp. 305-333, 1999
Number of pages: 21 Posted: 01 May 2000
Gregory J. Werden, Luke Froeb and Lucian Wayne Beavers
U.S. Department of Justice - Antitrust Division, Vanderbilt University - Strategy and Business Economics and Waddey and Patterson
Downloads 654 (31,287)
Citation 1

Abstract:

Economic Analysis of Lost Profits From Patent Infringement With and Without Noninfringing Substitutes

Vanderbilt Law School, Joe C. Davis Working Paper No. 99-9
Posted: 06 Aug 2001
Gregory J. Werden, Luke Froeb and Lucian Wayne Beavers
U.S. Department of Justice - Antitrust Division, Vanderbilt University - Strategy and Business Economics and Waddey and Patterson

Abstract:

7.

Beyond Critical Loss: Tailoring Applications of the Hypothetical Monopolist Paradigm

US DOJ Antitrust Division Economic Analysis Group Discussion Paper No. 02-9
Number of pages: 11 Posted: 15 Oct 2002
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 617 (31,041)
Citation 3

Abstract:

Antitrust, Market Delineation, Mergers

8.

Behavioral Antitrust and Merger Control

Journal of Institutional and Theoretical Economics, 2011, Vol. 167, No. 1, pp. 126-142, Vanderbilt Law and Economics Research Paper No. 10-14
Number of pages: 17 Posted: 20 May 2010 Last Revised: 20 Nov 2012
Gregory J. Werden, Luke Froeb and Mikhael Shor
U.S. Department of Justice - Antitrust Division, Vanderbilt University - Strategy and Business Economics and University of Connecticut Department of Economics
Downloads 609 (30,599)
Citation 4

Abstract:

Behavioral Economics, Antitrust, Mergers

9.

Monopsony and the Sherman Act: Consumer Welfare in a New Light

Number of pages: 33 Posted: 31 Mar 2007
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 550 (34,255)
Citation 4

Abstract:

antitrust, monopsony, welfare

10.

Antitrust's Rule of Reason: Only Competition Matters

Number of pages: 54 Posted: 03 Mar 2013 Last Revised: 25 Feb 2014
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 538 (29,266)

Abstract:

antitrust, rule of reason, consumer welfare, Robert Bork

11.

Market Delineation Algorithms Based on the Hypothetical Monopolist Paradigm

US DOJ Antitrust Division Economic Analysis Group Discussion Paper No. 02-8
Number of pages: 25 Posted: 15 Oct 2002
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 537 (36,586)
Citation 1

Abstract:

Antitrust, Market Delineation, Mergers

12.

Patent Hold Up and Antitrust: How a Well-Intentioned Rule Could Retard Innovation

Journal of Industrial Economics 60(2), pp. 249-273, June 2012
Number of pages: 26 Posted: 11 Feb 2009 Last Revised: 22 Oct 2014
Luke Froeb, Bernhard Ganglmair and Gregory J. Werden
Vanderbilt University - Strategy and Business Economics, University of Texas at Dallas - Managerial Economics and U.S. Department of Justice - Antitrust Division
Downloads 530 (35,488)

Abstract:

patent hold-up, option contract, reasonable and nondiscriminatory royalties (RAND), antitrust

13.

Choosing Among Tools for Assessing Unilateral Merger Effects

Vanderbilt Law and Economics Research Paper No. 11-19
Number of pages: 28 Posted: 06 Apr 2011 Last Revised: 20 Nov 2012
Gregory J. Werden and Luke Froeb
U.S. Department of Justice - Antitrust Division and Vanderbilt University - Strategy and Business Economics
Downloads 489 (40,881)
Citation 4

Abstract:

unilateral effects, mergers, UPP, merger simulation

14.

Pass-Through Rates and the Price Effects of Mergers

Number of pages: 23 Posted: 13 Jul 2001
Luke Froeb, Steven Tschantz and Gregory J. Werden
Vanderbilt University - Strategy and Business Economics, Vanderbilt University - Department of Mathematics and U.S. Department of Justice - Antitrust Division
Downloads 470 (46,594)
Citation 10

Abstract:

Pass-through, merger, efficiencies, Bertrand, antitrust

15.

The Effects of Merger Synergies On Consumers of Differentiated Products

Vanderbilt Law and Economics Research Paper No. 01-9
Number of pages: 20 Posted: 01 Aug 2001
Gregory J. Werden, Luke Froeb and Steven Tschantz
U.S. Department of Justice - Antitrust Division, Vanderbilt University - Strategy and Business Economics and Vanderbilt University - Department of Mathematics
Downloads 466 (47,303)
Citation 3

Abstract:

16.

The Admissibility of Expert Testimony

Issues in Competition Law and Policy, 2008
Number of pages: 17 Posted: 13 Jan 2007 Last Revised: 05 Jan 2010
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 457 (43,977)
Citation 2

Abstract:

Daubert, expert testimony

17.

Calibrated Economic Models Add Focus, Accuracy, and Persuasiveness to Merger Analysis

THE PROS AND CONS OF MERGER CONTROL: 10th ANNIVERSARY OF THE SWEDISH COMPETITION AUTHORITY, Swedish Competition Authority, ed., Swedish Competition Authority, Stockholm, 2002
Number of pages: 22 Posted: 16 Dec 2002
Gregory J. Werden and Luke Froeb
U.S. Department of Justice - Antitrust Division and Vanderbilt University - Strategy and Business Economics
Downloads 397 (56,929)
Citation 7

Abstract:

18.
Downloads 362 ( 64,508)
Citation 17

Post-Merger Product Repositioning

Vanderbilt Law & Economics Working Paper No. 05-19
Number of pages: 20 Posted: 28 Jul 2005
Amit Kumar Gandhi, Luke Froeb, Steven Tschantz and Gregory J. Werden
University of Chicago - Booth School of Business, Vanderbilt University - Strategy and Business Economics, Vanderbilt University - Department of Mathematics and U.S. Department of Justice - Antitrust Division
Downloads 362 (66,384)
Citation 17

Abstract:

antitrust, game theory, economic modeling

19.

The American Airlines Decision: Not with a Bang but a Whimper

U.S. Department of Justice Antitrust Division Working Paper No. EAG 03-8
Number of pages: 13 Posted: 28 Oct 2003
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 348 (67,888)
Citation 1

Abstract:

antitrust, predation, airlines

20.

Predicting Price Effects from Retail Mergers

Vanderbilt Owen Graduate School of Management Research Paper No. 2034464
Number of pages: 15 Posted: 04 Apr 2012 Last Revised: 24 Aug 2013
Michael J. Doane, Luke Froeb, Gregory J. Werden and David M. Zimmer
Competition Economics LLC, Vanderbilt University - Strategy and Business Economics, U.S. Department of Justice - Antitrust Division and Western Kentucky University - Department of Economics
Downloads 337 (59,616)

Abstract:

horizontal mergers, retailing, rental car industry

21.

Incentive Contracts as Merger Remedies

Vanderbilt Law and Economics Research Paper No. 05-27
Number of pages: 12 Posted: 21 Oct 2005
Gregory J. Werden, Luke Froeb and Steven Tschantz
U.S. Department of Justice - Antitrust Division, Vanderbilt University - Strategy and Business Economics and Vanderbilt University - Department of Mathematics
Downloads 324 (72,099)

Abstract:

antitrust, merger, Nash Equilibrium, merger remedy, oligopoly

22.

Vertical Restraints and the Effects of Upstream Horizontal Mergers

THE POLITICAL ECONOMY OF ANTITRUST, Vivek Ghosal and Johann Stennek, eds., North-Holland Publishing, 2006, Vanderbilt Law and Economics Research Paper No. 06-13
Number of pages: 18 Posted: 21 Jul 2006
Luke Froeb, Steven Tschantz and Gregory J. Werden
Vanderbilt University - Strategy and Business Economics, Vanderbilt University - Department of Mathematics and U.S. Department of Justice - Antitrust Division
Downloads 271 (86,235)
Citation 5

Abstract:

vertical restraints, pass-through, mergers, retailing

23.

The Effects of Merger Efficiencies on Consumers of Differentiated Products

European Competition Journal, Vol. 1, No. 2, October 2005
Number of pages: 25 Posted: 22 Oct 2006
Gregory J. Werden, Luke Froeb and Steven Tschantz
U.S. Department of Justice - Antitrust Division, Vanderbilt University - Strategy and Business Economics and Vanderbilt University - Department of Mathematics
Downloads 236 (97,945)
Citation 3

Abstract:

mergers, efficiencies, pass through

24.

Unilateral Competitive Effects of Horizontal Mergers Ii: Auctions and Bargaining

ABA Antitrust Section, Issues in Competition Law and Policy
Number of pages: 15 Posted: 15 Jan 2007 Last Revised: 20 Nov 2012
Gregory J. Werden and Luke Froeb
U.S. Department of Justice - Antitrust Division and Vanderbilt University - Strategy and Business Economics
Downloads 222 (99,150)
Citation 2

Abstract:

mergers, auctions, bargaining

25.

The Relevant Market: Possible and Productive

Number of pages: 8 Posted: 12 Apr 2014 Last Revised: 11 Dec 2014
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 179 (109,893)

Abstract:

antitrust, relevant market

26.

Mergers with Weak Competition: Reflections on FTC v. Lundbeck

Number of pages: 3 Posted: 22 Feb 2012
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 159 (145,237)

Abstract:

mergers, antitrust, duopoly, pharmaceutical pricing

27.

Recidivism Eliminated: Cartel Enforcement in the United States Since 1999

Number of pages: 7 Posted: 16 Sep 2011
Gregory J. Werden, Scott D. Hammond and Belinda A. Barnett
U.S. Department of Justice - Antitrust Division, U.Department of Justice - Antitrust Division and U.S.Department of Justice - Antitrust Division
Downloads 158 (138,088)
Citation 1

Abstract:

antitrust, cartels, recidivism

28.

Inconvenient Truths on Merger Retrospective Studies

Number of pages: 20 Posted: 07 Jan 2015 Last Revised: 25 Mar 2015
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 137 (115,257)

Abstract:

antitrust, mergers, merger retrospectives, natural experiments

29.

Inconvenient Truths and Constructive Suggestions on Merger Retrospective Studies

Number of pages: 9 Posted: 02 Jul 2013
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 131 (141,578)

Abstract:

mergers, antitrust, retrospectives

30.

Unilateral Effects with Differentiated Consumer Products: A Response to Scheffman and Simons

The Antitrust Source, p. 1, June 2010
Number of pages: 6 Posted: 16 Jul 2010
Gregory J. Werden
U.S. Department of Justice - Antitrust Division
Downloads 55 (296,516)

Abstract:

Antitrust, Mergers

31.

Next Steps in the Evolution of Antitrust Law: What to Expect from the Roberts Court

Journal of Competition Law and Economics, Vol. 5, Issue 1, pp. 49-74, 2009
Posted: 17 Mar 2009
Gregory J. Werden
U.S. Department of Justice - Antitrust Division

Abstract:

K21, L41