David A. Hoffman

University of Pennsylvania Carey Law School

Professor of Law

3501 Sansom Street

Philadelphia, PA 19104

United States

Cultural Cognition Project at Yale Law School

127 Wall St

New Haven, CT 06520

United States

  • University of Pennsylvania Carey Law School

SCHOLARLY PAPERS

34

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28,779

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Top 7,738

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77

CROSSREF CITATIONS

89

Scholarly Papers (34)

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1.

Coin-Operated Capitalism

Columbia Law Review, Vol. 119, p. 591, 2019, U of Penn, Inst for Law & Econ Research Paper No. 18-37
Number of pages: 104 Posted: 18 Jul 2018 Last Revised: 31 May 2019
Shaanan Cohney, David A. Hoffman, Jeremy Sklaroff and David A. Wishnick
Princeton University - Center for Information Technology Policy, University of Pennsylvania Carey Law School, University of Pennsylvania Law School - Student/Alumni/Adjunct and University of Pennsylvania - Center for Technology, Innovation & Competition
Downloads 6,455 (1,268)
Citation 24

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ICO, blockchain, fintech, smart contract, IPO, bitcoin, initial coin offering, venture capital

2.

Empirical Analysis of Data Breach Litigation

Downloads 3,431 ( 3,725)
Citation 16

Empirical Analysis of Data Breach Litigation

Forthcoming in the Journal of Empirical Legal Studies, Temple University Legal Studies Research Paper No. 2012-30
Number of pages: 31 Posted: 16 Jan 2012 Last Revised: 01 Feb 2014
Sasha Romanosky, David A. Hoffman and Alessandro Acquisti
RAND Corporation, University of Pennsylvania Carey Law School and Carnegie Mellon University - H. John Heinz III School of Public Policy and Management
Downloads 3,429 (3,650)
Citation 6

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data breach, identity theft, privacy litigation, docket analysis, docketology

Empirical Analysis of Data Breach Litigation

Journal of Empirical Legal Studies, Vol. 11, Issue 1, pp. 74-104, 2014
Number of pages: 31 Posted: 18 Jan 2014
Sasha Romanosky, David A. Hoffman and Alessandro Acquisti
RAND Corporation, University of Pennsylvania Carey Law School and Carnegie Mellon University - H. John Heinz III School of Public Policy and Management
Downloads 2 (784,455)
Citation 9
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3.

Whose Eyes are You Going to Believe? Scott v. Harris and the Perils of Cognitive Illiberalism

Harvard Law Review, Vol. 122, 2009, Harvard Law School Program on Risk Regulation Research Paper No. 08-18, Yale Law School, Public Law Working Paper No. 159, 3rd Annual Conference on Empirical Legal Studies Papers
Number of pages: 67 Posted: 25 Mar 2008 Last Revised: 16 Apr 2013
Dan M. Kahan, David A. Hoffman and Donald Braman
Yale University - Law School, University of Pennsylvania Carey Law School and George Washington University - Law School
Downloads 2,417 (6,780)

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cultural cognition, risk perception, Fourth Amendment, jury

4.

The Best Puffery Article Ever

Iowa Law Review, Vol. 91, p. 1395, 2006, Temple University Legal Studies Research Paper No. 2006-11
Number of pages: 52 Posted: 07 Mar 2006 Last Revised: 06 Apr 2008
David A. Hoffman
University of Pennsylvania Carey Law School
Downloads 2,396 (6,877)
Citation 1

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puffery, behavioral law and economics, advertising, warranty, securities, promissory estoppel, enterprise liability, marketing, consumption, puffing, Lanham Act, fraud, contract

5.

‘They Saw a Protest’: Cognitive Illiberalism and the Speech-Conduct Distinction

Cultural Cognition Project Working Paper No. 63, Stanford Law Review, Vol. 64, 2012, Temple University Legal Studies Research Paper No. 2011-17
Number of pages: 52 Posted: 09 Feb 2011 Last Revised: 16 Apr 2013
Dan M. Kahan, David A. Hoffman, Donald Braman, Danieli Evans Peterman and Jeffrey J. Rachlinski
Yale University - Law School, University of Pennsylvania Carey Law School, George Washington University - Law School, Yale Law School and Cornell Law School
Downloads 1,971 (9,467)
Citation 6

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6.

'Ideology' or 'Situation Sense'? An Experimental Investigation of Motivated Reasoning and Professional Judgment

University of Pennsylvania Law Review, Vol. 64, 2016, Temple University Legal Studies Research Paper No. 2015-26
Number of pages: 92 Posted: 22 Apr 2015 Last Revised: 19 Feb 2016
Dan M. Kahan, David A. Hoffman, Danieli Evans Peterman, Neal Devins, Eugene Lucci and Katherine Cheng
Yale University - Law School, University of Pennsylvania Carey Law School, Yale Law School, William & Mary Law School, Government of the State of Ohio - Court of Common Pleas and Cultural Cognition Lab, Yale Law School
Downloads 1,614 (13,009)
Citation 10

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motivated reasoning, judicial decisionmaking, ideology, professional judgment

7.

The Social Cost of Contract

121 Columbia Law Review 979 (2021), U of Penn, Inst for Law & Econ Research Paper No. 20-42, Virginia Public Law and Legal Theory Research Paper No. 2020-65, Virginia Law and Economics Research Paper No. 2020-15
Number of pages: 38 Posted: 26 Jun 2020 Last Revised: 27 Apr 2021
David A. Hoffman and Cathy Hwang
University of Pennsylvania Carey Law School and University of Virginia School of Law
Downloads 755 (39,802)

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COVID-19, force majuere, contract, pandemic, risk, interpretation, reformation, ADR, MDL, Coronavirus

8.

Disputing Limited Liability

Northwestern University Law Review, Vol. 104, Temple University Legal Studies Research Paper No. 2009-38
Number of pages: 61 Posted: 06 Oct 2009 Last Revised: 04 Jun 2010
Christina L. Boyd and David A. Hoffman
University of Georgia - School of Public and International Affairs and University of Pennsylvania Carey Law School
Downloads 714 (42,915)

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veil piercing, docketology, selection effects, priest-klein, undercapitalization, ideology, cultural cognition, LLCs, limited liability, empirical analysis, settlement

9.

Wikitruth Through Wikiorder

Emory Law Journal, Vol. 59, 2010, Temple University Legal Studies Research Paper No. 2009-17
Number of pages: 47 Posted: 06 Mar 2009 Last Revised: 26 Aug 2009
David A. Hoffman and Salil K. Mehra
University of Pennsylvania Carey Law School and Temple University - James E. Beasley School of Law
Downloads 711 (43,167)
Citation 1

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social production, social norms, law, dispute resolution, arbitration, empirical legal studies

10.

Some Realism About Punishment Naturalism

University of Chicago Law Review, Vol. 77, 2010, CELS 2009 4th Annual Conference on Empirical Legal Studies Paper
Number of pages: 80 Posted: 07 Aug 2009 Last Revised: 16 Apr 2013
Donald Braman, Dan M. Kahan and David A. Hoffman
George Washington University - Law School, Yale University - Law School and University of Pennsylvania Carey Law School
Downloads 603 (53,709)

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11.

The Common Sense of Contract Formation

Stanford Law Review, Vol. 67, 2015, U of Penn, Inst for Law & Econ Research Paper No. 14-5, Temple University Legal Studies Research Paper No. 2014-06
Number of pages: 33 Posted: 01 Mar 2014 Last Revised: 09 Jun 2015
Tess Wilkinson‐Ryan and David A. Hoffman
University of Pennsylvania Carey Law School and University of Pennsylvania Carey Law School
Downloads 570 (57,567)
Citation 2

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Contracts, psychology, behavioral law & economics, microeconomic behavior, contract negotiation, drafting, formation, agreement, assent, formality, mailbox rule, terms that follow, moral norms, reciprocity, social obligation, performance, formalism, spectrum of obligation, empirical analysis

12.

Breach is for Suckers

Vanderbilt Law Review, Vol. 63, p. 1003, 2010, Temple University Legal Studies Research Paper No. 2009-33
Number of pages: 43 Posted: 15 Aug 2009 Last Revised: 22 Aug 2010
Tess Wilkinson‐Ryan and David A. Hoffman
University of Pennsylvania Carey Law School and University of Pennsylvania Carey Law School
Downloads 508 (66,487)

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contracts, breach, expectation, sucker, exploitation, reciprocity, promissory estoppel, willful breach, liquidated damages

13.

The Duty to Be a Rational Shareholder

Temple University Legal Studies Research Paper No. 2006-02, Minnesota Law Review, Vol. 90, p. 537, 2006
Number of pages: 76 Posted: 15 Apr 2005
David A. Hoffman
University of Pennsylvania Carey Law School
Downloads 477 (71,904)

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securities law, behavioral law and economics, rationality, materiality, race, gender, duties, reasonable person, disclosure

14.

Transactional Scripts in Contract Stacks

Minnesota Law Review, Vol. 105, p. 319, 2020, U of Penn, Inst for Law & Econ Research Paper No. 20-08
Number of pages: 68 Posted: 22 Jan 2020 Last Revised: 03 Dec 2020
Shaanan Cohney and David A. Hoffman
Princeton University - Center for Information Technology Policy and University of Pennsylvania Carey Law School
Downloads 463 (74,567)
Citation 2

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smart contracts, transactional scripts, blockchain, Ethereum, gas costs, interpretation, contracts, canons, parol evidence

15.

From Promise to Form: How Contracting Online Changes Consumers

91 New York University Law Review 1595 (2016), Temple University Legal Studies Research Paper No. 2016-10, U of Penn, Inst for Law & Econ Research Paper No. 17-7
Number of pages: 57 Posted: 01 Feb 2016 Last Revised: 09 Mar 2017
David A. Hoffman
University of Pennsylvania Carey Law School
Downloads 461 (74,984)
Citation 2

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contract law, millennials, individual differences, contracting, form contracts, digital contracts, internet commerce, psychology and law

16.

Litigating Toward Settlement

Journal of Law, Economics, and Organization (Forthcoming), Temple University Legal Studies Research Paper No. 2011-8
Number of pages: 52 Posted: 06 Aug 2010 Last Revised: 14 May 2012
Christina L. Boyd and David A. Hoffman
University of Georgia - School of Public and International Affairs and University of Pennsylvania Carey Law School
Downloads 434 (80,526)
Citation 12

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settlement, hazard models, motion practice, discovery, options theory, psychology of litigation, empirical legal studies

17.

Can Law and Economics Be Both Practical and Principled?

Number of pages: 83 Posted: 22 Aug 2004
David A. Hoffman and Michael P. O'Shea
University of Pennsylvania Carey Law School and Oklahoma City University School of Law
Downloads 429 (81,653)

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Law and economics, welfare, cost benefit analysis, utilitarianism, behavioral economics, juries, preferences, fairness, paternalism, legal theory, wealth maximization, Pareto, Kaldor-Hicks

18.

Relational Contracts of Adhesion

University of Chicago Law Review, Vol. 85, p. 1395, 2018, U of Penn Law School, Public Law Research Paper No. 17-37
Number of pages: 67 Posted: 02 Aug 2017 Last Revised: 31 Oct 2018
David A. Hoffman
University of Pennsylvania Carey Law School
Downloads 408 (86,587)
Citation 4

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19.

Leases as Forms

U of Penn, Inst for Law & Econ Research Paper No. 21-11
Number of pages: 47 Posted: 18 Feb 2021 Last Revised: 29 Mar 2021
David A. Hoffman and Anton Strezhnev
University of Pennsylvania Carey Law School and Harvard University - Department of Government
Downloads 406 (87,326)

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leases, contracts, consumer contracts, forms, innovation, geography, drafting costs, evictions, landlords, philadelphia

20.

Docketology, District Courts, and Doctrine

Washington University Law Review, Vol. 85, p. 681, 2008, Temple University Legal Studies Research Paper No. 2007-18
Number of pages: 72 Posted: 26 Apr 2007 Last Revised: 20 Apr 2014
David A. Hoffman, Alan Izenman and Jeffrey Lidicker
University of Pennsylvania Carey Law School, Temple University - Fox School of Business and Management and Independent
Downloads 340 (106,588)
Citation 1

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empirical, statistics, opinions, courts, civil procedure, orders, dockets, behavioral, risk aversion, doctrine

21.

The Psychology of Contract Precautions

University of Chicago Law Review, Vol. 80, P. 395, 2013, U of Penn, Inst for Law & Econ Research Paper No. 12-10, Temple University Legal Studies Research Paper No. 2012-09, 7th Annual Conference on Empirical Legal Studies Paper
Number of pages: 43 Posted: 07 Feb 2012 Last Revised: 09 Sep 2014
David A. Hoffman and Tess Wilkinson‐Ryan
University of Pennsylvania Carey Law School and University of Pennsylvania Carey Law School
Downloads 338 (107,260)
Citation 2

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contracts, precautions, psychology, reference point, reference transaction, prospect theory

22.

A Closer Look at Veil Piercing in Federal District Courts

CLEA 2008 Meetings Paper
Number of pages: 4 Posted: 16 Apr 2008 Last Revised: 25 Jun 2008
Christina L. Boyd and David A. Hoffman
University of Georgia - School of Public and International Affairs and University of Pennsylvania Carey Law School
Downloads 336 (107,988)

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veil piercing, dockets, litigation, alter ego, trial courts, pleadings, settlement

23.

Contract Consideration and Behavior

George Washington Law Review, Vol. 85, p. 351, 2017, Temple University Legal Studies Research Paper No. 2015-11, Northwestern Public Law Research Paper No. 15-21, U of Penn, Inst for Law & Econ Research Paper No. 17-16
Number of pages: 47 Posted: 22 Feb 2015 Last Revised: 25 May 2017
David A. Hoffman and Zev J. Eigen
University of Pennsylvania Carey Law School and Syndio Solutions
Downloads 305 (119,989)
Citation 2

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consideration, recitals, nominal consideration, endowment, contract, reciprocity, formalities, Fuller, cautionary

24.

Law and Psychology Grows Up, Goes Online, and Replicates

Downloads 300 (122,035)
Citation 4

Law and Psychology Grows Up, Goes Online, and Replicates

Journal of Empirical Legal Studies, Forthcoming, U of Penn Law School, Public Law Research Paper No. 17-38
Number of pages: 44 Posted: 21 Aug 2017 Last Revised: 24 Apr 2018
David A. Hoffman and Tess Wilkinson‐Ryan
University of Pennsylvania Carey Law School and University of Pennsylvania Carey Law School
Downloads 299 (121,806)
Citation 2

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replication crisis, reproducibility, experimental legal studies, law and psychology

Law and Psychology Grows Up, Goes Online, and Replicates

Journal of Empirical Legal Studies, Vol. 15, Issue 2, pp. 320-355, 2018
Number of pages: 36 Posted: 07 May 2018
Krin Irvine, David A. Hoffman and Tess Wilkinson‐Ryan
University of Chicago - Booth School of Business, University of Pennsylvania Carey Law School and University of Pennsylvania
Downloads 1 (798,432)
Citation 3
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25.

Nullificatory Juries

Wisconsin Law Review, Forthcoming, TJSL Public Law Research Paper
Number of pages: 62 Posted: 25 Sep 2003
David A. Hoffman and Kaimipono David Wenger
University of Pennsylvania Carey Law School and Thomas Jefferson School of Law
Downloads 288 (127,469)

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behavioral, law and economics, jury behavior, jury nullification, criminal law, punitive damages, paternalism, rule of law

26.

Hushing Contracts

Washington University Law Review, Vol. 94, p. 165, 2019, U of Penn, Inst for Law & Econ Research Paper No. 19-08
Number of pages: 56 Posted: 06 Feb 2019 Last Revised: 21 Nov 2019
David A. Hoffman and Erik Lampmann
University of Pennsylvania Carey Law School and University of Pennsylvania Law School
Downloads 272 (135,321)

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#metoo, sexual harassment, contracts, public policies, externalities

27.

Building a Taxonomy of Litigation: Clusters of Causes of Action in Federal Complaints

Downloads 266 (138,493)
Citation 4

Building a Taxonomy of Litigation: Clusters of Causes of Action in Federal Complaints

J. Emp. Leg. Stud. ___ (2013, Forthcoming), Temple University Legal Studies Research Paper No. 2012-23
Number of pages: 51 Posted: 25 Apr 2012 Last Revised: 31 Jul 2016
Christina L. Boyd, David A. Hoffman, Zoran Obradovic and Kosta Ritovski
University of Georgia - School of Public and International Affairs, University of Pennsylvania Carey Law School, Independent and Temple University
Downloads 264 (138,919)

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complaints, pleadings, Twombly, Iqbal, cluster analysis, causes of action, attorney behavior, network analysis

Building a Taxonomy of Litigation: Clusters of Causes of Action in Federal Complaints

Journal of Empirical Legal Studies, Vol. 10, Issue 2, pp. 253-287, 2013
Number of pages: 35 Posted: 20 Apr 2013
Christina L. Boyd, David A. Hoffman, Zoran Obradovic and Kosta Ristovski
University of Georgia - School of Public and International Affairs, University of Pennsylvania Carey Law School, Independent and Temple University
Downloads 2 (784,455)
Citation 1
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28.

Self-Handicapping and Managers' Duty of Care

Wake Forest Law Review, Vol. 42, p. 803, 2007, Temple University Legal Studies Research Paper No. 2007-09
Number of pages: 27 Posted: 24 Apr 2007 Last Revised: 06 Apr 2008
David A. Hoffman
University of Pennsylvania Carey Law School
Downloads 237 (155,145)

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fiduciary duty, self-handicapping, duty of care, corporate governance, behavioral law and economics, negligence, duty of loyalty, managers, officers

29.

Whither Bespoke Procedure?

University of Illinois Law Review, Forthcoming, Temple University Legal Studies Research Paper No. 2013-10
Number of pages: 46 Posted: 14 Feb 2013 Last Revised: 13 May 2013
David A. Hoffman
University of Pennsylvania Carey Law School
Downloads 225 (163,161)
Citation 1

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private procedure, federal rules of civil procedure, contract law, bespoke, discovery, motion practice, arbitration

30.

How Relevant is Jury Rationality?

Number of pages: 23 Posted: 04 Jun 2003
David A. Hoffman
University of Pennsylvania Carey Law School
Downloads 194 (187,269)

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31.

Instructing Juries on Noneconomic Contract Damages

Fordham Law Review, Forthcoming, Temple University Legal Studies Research Paper No. 2012-24
Number of pages: 42 Posted: 15 Mar 2012 Last Revised: 20 Aug 2012
David A. Hoffman and Alexander Radus
University of Pennsylvania Carey Law School and Temple University - James E. Beasley School of Law
Downloads 159 (222,552)

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jury instructions, contract damages, noneconomic losses, law and psychology, expectation, contracts

32.

A Core of Agreement

University of Chicago Law Review, Vol. 77, p. 1655, 2010
Number of pages: 6 Posted: 25 Apr 2010 Last Revised: 16 Apr 2013
Donald Braman, Dan M. Kahan and David A. Hoffman
George Washington University - Law School, Yale University - Law School and University of Pennsylvania Carey Law School
Downloads 147 (237,341)

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33.

Are There Really 'Plenty of Shapiros Out There'? A Comment on the Courage of Norma L. Shapiro

Edited Volume of Essays on Notable American Judges (Kevin Peppers, ed., University of Virginia Press, Forthcoming), U of Penn Law School, Public Law Research Paper No. 19-31
Number of pages: 18 Posted: 17 Apr 2017 Last Revised: 15 Sep 2019
Reid K. Weisbord and David A. Hoffman
Rutgers Law School and University of Pennsylvania Carey Law School
Downloads 85 (349,029)

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Donald Trump, judicial courage, mass incarceration, prisoner litigation, prison overcrowding, civil contempt, sentencing error, due process

34.

The Use and Reliability of Federal Nature of Suit Codes

Michigan State Law Review, Forthcoming, U of Penn Law School, Public Law Research Paper No. 17-39
Number of pages: 35 Posted: 17 Jul 2017 Last Revised: 24 Apr 2018
Christina L. Boyd and David A. Hoffman
University of Georgia - School of Public and International Affairs and University of Pennsylvania Carey Law School
Downloads 64 (408,787)

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NOS Codes, Federal Litigation, Complaints, Causes of Action, Reliability, Case Weights

Other Papers (1)

Total Downloads: 38
Actions:
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1.

Empirical Analysis of Data Breach Litigation

Number of pages: 27 Posted: 14 Jul 2011
Sasha Romanosky, David A. Hoffman and Alessandro Acquisti
RAND Corporation, University of Pennsylvania Carey Law School and Carnegie Mellon University - H. John Heinz III School of Public Policy and Management
Downloads 38

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data breach, data breach litigation, docket analysis, identity theft