David A. Hoffman

University of Pennsylvania Carey Law School

Professor of Law

3501 Sansom Street

Philadelphia, PA 19104

United States

  • University of Pennsylvania Carey Law School

SCHOLARLY PAPERS

42

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39,669

TOTAL CITATIONS
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Top 8,361

in Total Papers Citations

131

Scholarly Papers (42)

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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, Shaanan Cohney, David A. Hoffman, Jeremy Sklaroff, David A. Wishnick and David A. Wishnick
University of Pennsylvania Law SchoolPrinceton University - Center for Information Technology Policy, University of Pennsylvania Carey Law School, University of Pennsylvania Carey Law School - Student/Alumni/Adjunct and Georgetown University Law CenterUniversity of Pennsylvania - Center for Technology, Innovation & Competition
Downloads 7,164 (2,079)
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

Journal of Empirical Legal Studies 11(1):74-104 01 Mar 2014 https://doi.org/10.1111/jels.12035, Temple University Legal Studies Research Paper No. 2012-30
Number of pages: 30 Posted: 16 Jan 2012 Last Revised: 18 Jan 2023
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 3,778 (6,221)
Citation 27

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

3.

Generative Interpretation

New York University Law Review, Vol. 99, 2024, U of Penn Law School, Public Law Research Paper No. 23-27, U of Alabama Legal Studies Research Paper No. 4526219
Number of pages: 61 Posted: 01 Aug 2023 Last Revised: 27 Jun 2024
David A. Hoffman and Yonathan A. Arbel
University of Pennsylvania Carey Law School and University of Alabama - School of Law
Downloads 3,099 (8,565)
Citation 7

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LLMs, AI, contract, interpretation, textualism, contextualism, generative, tensors, models

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 2,740 (10,377)
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.

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 Law School, University of Pennsylvania Carey Law School and George Washington University - Law School
Downloads 2,601 (11,275)

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cultural cognition, risk perception, Fourth Amendment, jury

6.

‘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 and Jeffrey J. Rachlinski
Yale Law School, University of Pennsylvania Carey Law School, George Washington University - Law School, University of Washington School of Law and Cornell Law School
Downloads 2,255 (14,179)
Citation 15

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7.

'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, Neal Devins, Eugene Lucci and Katherine Cheng
Yale Law School, University of Pennsylvania Carey Law School, University of Washington School of Law, William & Mary Law School, Government of the State of Ohio - Court of Common Pleas and Cultural Cognition Lab, Yale Law School
Downloads 1,807 (20,157)
Citation 10

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motivated reasoning, judicial decisionmaking, ideology, professional judgment

8.

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 1,094 (42,554)

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

9.

Defeating the Empire of Forms

U of Penn, Inst for Law & Econ Research Paper No. 23-04, Virginia Law Review, Forthcoming
Number of pages: 53 Posted: 25 Jan 2023 Last Revised: 10 Feb 2023
David A. Hoffman
University of Pennsylvania Carey Law School
Downloads 949 (51,882)

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Form contracts, externalities, transaction costs, statute of frauds, contracts, e-commerce

10.

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 834 (61,988)
Citation 1

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

11.

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
Washington University in St. Louis - Washington University in St. Louis - School of Law and University of Pennsylvania Carey Law School
Downloads 819 (63,505)

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

12.

Longer Trips to Court Cause Evictions

PNAS (2022), U of Penn, Inst for Law & Econ Research Paper No. 22-29
Number of pages: 63 Posted: 11 Jun 2022 Last Revised: 11 May 2023
David A. Hoffman and Anton Strezhnev
University of Pennsylvania Carey Law School and University of Chicago - Department of Political Science
Downloads 818 (63,607)
Citation 6

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eviction, default, access to justice, transit, housing, procedure, instrumental, poverty, race, service

13.

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 780 (67,798)
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

14.

Leases as Forms

Journal of Empirical Legal Studies (forthcoming 2022), U of Penn, Inst for Law & Econ Research Paper No. 21-11
Number of pages: 49 Posted: 18 Feb 2021 Last Revised: 06 Jan 2022
David A. Hoffman and Anton Strezhnev
University of Pennsylvania Carey Law School and University of Chicago - Department of Political Science
Downloads 768 (69,158)

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

15.

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, Shaanan Cohney and David A. Hoffman
University of Pennsylvania Law SchoolPrinceton University - Center for Information Technology Policy and University of Pennsylvania Carey Law School
Downloads 707 (77,043)
Citation 2

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

16.

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: 79 Posted: 07 Aug 2009 Last Revised: 31 Jan 2023
Donald Braman, Dan M. Kahan and David A. Hoffman
George Washington University - Law School, Yale Law School and University of Pennsylvania Carey Law School
Downloads 682 (80,567)

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17.

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 568 (101,828)
Citation 2

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

18.

Nonparty Interests in Contract Law

University of Pennsylvania Law Review, Vol. 171, p. 1095, 2023, Virginia Public Law and Legal Theory Research Paper No. 2022-17, Virginia Law and Economics Research Paper No. 2022-02, U of Penn, Inst for Law & Econ Research Paper No. 22-17, University of Chicago Coase-Sandor Institute for Law & Economics Research Paper No. 955
Number of pages: 57 Posted: 24 Feb 2022 Last Revised: 22 Oct 2024
Omri Ben-Shahar, David A. Hoffman and Cathy Hwang
University of Chicago Law School, University of Pennsylvania Carey Law School and University of Virginia School of Law
Downloads 554 (104,979)

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contract, externalities, COVID, default, mandatory, interpretation, remedies, nonparties

19.

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 530 (110,927)
Citation 1

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

20.

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 526 (111,991)
Citation 1

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

21.

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
Washington University in St. Louis - Washington University in St. Louis - School of Law and University of Pennsylvania Carey Law School
Downloads 477 (126,049)
Citation 14

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

22.

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 472 (127,604)
Citation 4

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23.

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 470 (128,222)
Citation 1

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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

24.

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 DLA Piper
Downloads 405 (152,816)
Citation 2

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

25.

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 389 (159,849)
Citation 2

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

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 382 (163,255)
Citation 2

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

27.

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
Washington University in St. Louis - Washington University in St. Louis - School of Law and University of Pennsylvania Carey Law School
Downloads 379 (164,627)

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

28.

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, Alan Izenman and Jeffrey Lidicker
University of Pennsylvania Carey Law School, Temple University - Fox School of Business and ManagementTemple University - Department of Statisitcs and Independent
Downloads 376 (166,078)
Citation 1

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

29.

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 369 (169,617)
Citation 2

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

30.

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 331 (190,910)

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

31.

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
Washington University in St. Louis - Washington University in St. Louis - School of Law, University of Pennsylvania Carey Law School, Independent and Temple University
Downloads 315 (201,223)

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

32.

Contracts for Everyone

U of Penn Law School, Public Law Research Paper No. 24-54
Number of pages: 89 Posted: 12 Dec 2024
Tess Wilkinson‐Ryan, David A. Hoffman and Emily Campbell
University of Pennsylvania Carey Law School, University of Pennsylvania Carey Law School and University of Pennsylvania Carey Law School
Downloads 313 (202,593)

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33.

Expecting Specific Performance

New York University Law Review, Forthcoming, U of Penn, Inst for Law & Econ Research Paper No. 23-05
Number of pages: 66 Posted: 26 Jan 2023 Last Revised: 03 Apr 2023
Tess Wilkinson‐Ryan, David A. Hoffman and Emily Campbell
University of Pennsylvania Carey Law School, University of Pennsylvania Carey Law School and University of Pennsylvania Carey Law School
Downloads 302 (210,627)

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specific performance, contracts, equitable relief, heuristics, biases, law and psychology, consumer protection

34.

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 270 (236,434)

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

35.

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 253 (252,602)
Citation 1

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

36.

How Relevant is Jury Rationality?

Number of pages: 23 Posted: 04 Jun 2003
David A. Hoffman
University of Pennsylvania Carey Law School
Downloads 214 (296,997)

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37.

Insurers as Contract Influencers

Rutgers Law School Research Paper Forthcoming, Minnesota Law Review (forthcoming 2026). 
Number of pages: 49 Posted: 02 Aug 2024 Last Revised: 28 Feb 2025
David A. Hoffman and Rick Swedloff
University of Pennsylvania Carey Law School and Rutgers Law School
Downloads 203 (312,170)

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38.

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 Law School and University of Pennsylvania Carey Law School
Downloads 202 (313,571)

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39.

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 201 (315,023)

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

40.

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
Washington University in St. Louis - Washington University in St. Louis - School of Law and University of Pennsylvania Carey Law School
Downloads 135 (443,236)
Citation 3

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

41.

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, The State University of New Jersey - Rutgers Law School and University of Pennsylvania Carey Law School
Downloads 114 (505,351)

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

42.

Consumers' Unreasonable Textual Expectations

Harvard Business Law Review (forthcoming)
Number of pages: 13
David A. Hoffman
University of Pennsylvania Carey Law School
Downloads 24

Abstract:

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Contracts, interpretation, ChatGPT, formalism, consumer protection, restatement, consumer contracts

Other Papers (1)

Total Downloads: 81
Actions:
Email selected abstracts
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 81

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