Ariel Ezrachi

University of Oxford - Faculty of Law

Slaughter and May Professor of Competition Law

Oxford

United Kingdom

  • University of Oxford - Faculty of Law

SCHOLARLY PAPERS

42

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Scholarly Papers (42)

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1.

Artificial Intelligence & Collusion: When Computers Inhibit Competition

Downloads 9,618 ( 1,032)
Citation 49

Artificial Intelligence & Collusion: When Computers Inhibit Competition

University of Illinois Law Review, Vol. 2017, 2017, Oxford Legal Studies Research Paper No. 18/2015, University of Tennessee Legal Studies Research Paper No. 267
Number of pages: 36 Posted: 09 Apr 2015 Last Revised: 02 Jan 2019
Ariel Ezrachi and Maurice E. Stucke
University of Oxford - Faculty of Law and University of Tennessee College of Law
Downloads 9,496 (1,044)
Citation 1

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Competition law, Antitrust, Computers, Artificial Intelligence, Collusion, Cartels

Artificial Intelligence & Collusion: When Computers Inhibit Competition

University of Illinois Law Review, Vol. 2017, 2017, Oxford Legal Studies Research Paper No. 18/2015, University of Tennessee Legal Studies Research Paper No. 267
Number of pages: 36 Posted: 09 Apr 2015
Ariel Ezrachi and Maurice E. Stucke
University of Oxford - Faculty of Law and University of Tennessee College of Law
Downloads 122 (392,278)
Citation 56

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Competition law, Antitrust, Computers, Artificial Intelligence, Collusion, Cartels

2.

EU Competition Law Goals and the Digital Economy

Oxford Legal Studies Research Paper No. 17/2018
Number of pages: 27 Posted: 21 Jun 2018 Last Revised: 02 Nov 2018
Ariel Ezrachi
University of Oxford - Faculty of Law
Downloads 6,372 (2,079)
Citation 12

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EU competition law, antitrust law, digitalisation, convergence, US antitrust

3.

Sustainable and Unchallenged Algorithmic Tacit Collusion

University of Tennessee Legal Studies Research Paper No. 366, Oxford Legal Studies Research Paper No. 16/2019, 17 Northwestern Journal of Technology and Intellectual Property 217 (2020)
Number of pages: 47 Posted: 06 Dec 2018 Last Revised: 09 Mar 2020
Ariel Ezrachi and Maurice E. Stucke
University of Oxford - Faculty of Law and University of Tennessee College of Law
Downloads 3,197 (6,734)
Citation 10

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Competition Law, Antitrust, Algorithms, Tacit Collusion, Algorithmic Tacit Collusion, Collusion, Hub and Spoke

4.

Two Artificial Neural Networks Meet in an Online Hub and Change the Future (Of Competition, Market Dynamics and Society)

Oxford Legal Studies Research Paper No. 24/2017, University of Tennessee Legal Studies Research Paper No. 323
Number of pages: 54 Posted: 10 Apr 2017 Last Revised: 09 Jan 2019
Ariel Ezrachi and Maurice E. Stucke
University of Oxford - Faculty of Law and University of Tennessee College of Law
Downloads 2,386 (10,632)
Citation 13

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collusion, competition, algorithms, behavioral discrimination

5.

How Digital Assistants Can Harm our Economy, Privacy, and Democracy

32 Berkeley Technology Law Journal 1239 (2017), University of Tennessee Legal Studies Research Paper No. 324
Number of pages: 62 Posted: 25 Apr 2017 Last Revised: 04 Jun 2018
Maurice E. Stucke and Ariel Ezrachi
University of Tennessee College of Law and University of Oxford - Faculty of Law
Downloads 1,496 (22,129)
Citation 7

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antitrust, big data, network effects, algorithms, competition, monopoly

6.

When Competition Fails to Optimize Quality: A Look at Search Engines

18 Yale Journal of Law & Technology 70 (2016), University of Tennessee Legal Studies Research Paper No. 268
Number of pages: 42 Posted: 25 Apr 2015 Last Revised: 05 Oct 2016
Maurice E. Stucke and Ariel Ezrachi
University of Tennessee College of Law and University of Oxford - Faculty of Law
Downloads 1,461 (22,917)
Citation 7

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Competition, Antitrust, Search Engines, Quality Competition, Status Quo Bias, Network Effects

7.

Is Your Digital Assistant Devious?

Oxford Legal Studies Research Paper No. 52/2016, University of Tennessee Legal Studies Research Paper No. 304
Number of pages: 22 Posted: 24 Aug 2016 Last Revised: 15 Sep 2016
Ariel Ezrachi and Maurice E. Stucke
University of Oxford - Faculty of Law and University of Tennessee College of Law
Downloads 1,344 (25,923)
Citation 4

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Internet, Competition law, Virtual Competition, Foreclosure, Antitrust, Monopoly

8.

The Curious Case of Competition and Quality

Journal of Antitrust Enforcement (2015) doi: 10.1093/jaenfo/jnv023, University of Tennessee Legal Studies Research Paper No. 256, Oxford Legal Studies Research Paper No. 64/2014
Number of pages: 43 Posted: 12 Sep 2014 Last Revised: 24 Sep 2015
Ariel Ezrachi and Maurice E. Stucke
University of Oxford - Faculty of Law and University of Tennessee College of Law
Downloads 1,291 (27,503)
Citation 6

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Competition Policy, Antitrust, Two-Sided Markets, Quality, Behavioral Exploitation, Behavioral Economics, Deception, Choice Overload

9.

Online Platforms and the EU Digital Single Market

University of Tennessee Legal Studies Research Paper No. 283
Number of pages: 16 Posted: 23 Oct 2015 Last Revised: 03 Dec 2015
Ariel Ezrachi and Maurice E. Stucke
University of Oxford - Faculty of Law and University of Tennessee College of Law
Downloads 1,229 (29,570)
Citation 5

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Big Data, Competition, Privacy, Antitrust, Monopolization, Collusion

10.

Competition, Market Power and Third-Party Tracking

World Competition: Law and Economics Review, Vol. 42, No. 1, March 2019, pages 5-19, Oxford Legal Studies Research Paper No. 11/2019
Number of pages: 14 Posted: 02 Nov 2018 Last Revised: 23 Sep 2019
Ariel Ezrachi and Viktoria H.S.E. Robertson
University of Oxford - Faculty of Law and Vienna University of Economics and Business
Downloads 997 (39,894)
Citation 4

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Competition Law, Privacy, Third-party Trackers, Big Data, Big Analytics

11.

Are Excessive Prices Really Self-Correcting?

Downloads 972 (41,328)
Citation 2

Are Excessive Prices Really Self-Correcting?

Journal of Competition Law and Economics, 2008
Number of pages: 18 Posted: 21 Aug 2008 Last Revised: 13 Feb 2009
Ariel Ezrachi and David Gilo
University of Oxford - Faculty of Law and Tel Aviv University - Buchmann Faculty of Law
Downloads 972 (40,702)
Citation 2

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antitrust, competition law, abuse of dominance, monopoly, excessive price, predatory pricing

Are Excessive Prices Really Self-Correcting?

Journal of Competition Law and Economics, Vol. 5, Issue 2, pp. 249-268, 2009
Posted: 01 Jun 2009
Ariel Ezrachi and David Gilo
University of Oxford - Faculty of Law and Tel Aviv University - Buchmann Faculty of Law

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K21, L4

12.

The European Commission Guidance on Article 82 EC - The Way in Which Institutional Realities Limit the Potential for Reform

Oxford Legal Studies Research Paper No. 27/2009
Number of pages: 32 Posted: 24 Sep 2009
Ariel Ezrachi
University of Oxford - Faculty of Law
Downloads 873 (47,938)
Citation 1

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13.

Unchallenged Market Power? The Tale of Supermarkets, Private Labels and Competition Law

World Competition, Vol. 33, No. 2, 2010, The University of Oxford Centre for Competition Law and Policy Working Paper No. CCLP (L) 27
Number of pages: 16 Posted: 21 Dec 2009
Ariel Ezrachi
University of Oxford - Faculty of Law
Downloads 782 (55,720)

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Competition Law, private labels, own labels, market power, supermarket, EU Competition Law, Article 102 TFEU

14.

The Competitive Effects of Parity Clauses on Online Commerce

Oxford Legal Studies Research Paper No. 55/2015
Number of pages: 36 Posted: 13 Oct 2015
Ariel Ezrachi
University of Oxford - Faculty of Law
Downloads 763 (57,577)
Citation 5

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Parity clause, Most Favoured Nation clause, Price Comparison websites

15.

Looking Up in the Data-Driven Economy

University of Tennessee Legal Studies Research Paper No. 333, CPI ANTITRUST CHRONICLE, May 2017
Number of pages: 6 Posted: 30 May 2017 Last Revised: 09 Mar 2020
Maurice E. Stucke and Ariel Ezrachi
University of Tennessee College of Law and University of Oxford - Faculty of Law
Downloads 728 (61,308)
Citation 4

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e-monopsony, e-scraper, antitrust, competition law

16.

Putting Technology to Good Use for Society: The Role of Corporate, Competition and Tax Law

European Corporate Governance Institute (ECGI) - Law Working Paper No. 427/2018, Oxford Legal Studies Research Paper No. 15/2019
Number of pages: 42 Posted: 27 Nov 2018
John Armour, Luca Enriques, Ariel Ezrachi and John Vella
University of Oxford - Faculty of Law, University of Oxford Faculty of Law, University of Oxford - Faculty of Law and Oxford University Centre for Business Taxation
Downloads 708 (63,641)
Citation 7

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Competition Policy, Compliance, Corporate Law, Digitalisation, Innovation, Populism, R&D, Smart Contracts, Technology, Takeover Law, Taxation

17.

Under (and Over) Prescribing of Behavioural Remedies

University of Oxford, Centre for Competition Law and Policy Working Paper No. (L) 13/5
Number of pages: 7 Posted: 17 Jul 2006
Ariel Ezrachi
University of Oxford - Faculty of Law
Downloads 494 (99,820)

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18.

The Ripple Effects of Online Marketplace Bans

Number of pages: 18 Posted: 15 Nov 2016 Last Revised: 26 Dec 2016
Ariel Ezrachi
University of Oxford - Faculty of Law
Downloads 489 (101,062)

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E-Commerce, Online Marketplace Bans, Selective Distribution, Vertical Restrictions, Virtual Competition

19.

Dark Patterns and Online Consumer Vulnerability

Number of pages: 49 Posted: 27 Aug 2023 Last Revised: 24 Sep 2023
Amit Zac, Yun-Chun Huang, Amédée von Moltke, Christopher Decker and Ariel Ezrachi
ETH Zürich, Independent, Independent, University of Oxford and University of Oxford - Faculty of Law
Downloads 488 (101,301)

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Dark patterns, Choice architecture, Online manipulation, Antitrust law, Competition law, Digital services act

20.

Competition Law and Income Inequality: A Panel Data Econometric Approach

Number of pages: 39 Posted: 15 Nov 2020 Last Revised: 24 May 2021
Amit Zac, Carola Casti, Christopher Decker and Ariel Ezrachi
ETH Zürich, University of Oxford, University of Oxford and University of Oxford - Faculty of Law
Downloads 488 (101,301)
Citation 1

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Income Inequality, Antitrust, Panel Data, Economic Development‎

21.

2016-2017 Oxford Business Law Blog Round-Up: Most Read Opinion Pieces

Oxford Legal Studies Research Paper No. 36/2017
Number of pages: 38 Posted: 02 May 2017
John Armour, Horst Eidenmueller, Pavlos Eleftheriadis, Luca Enriques, Ariel Ezrachi, Cheng Lim, Bruno Meyerhof Salama, Calum Sargeant, Tiong Saw and Maurice E. Stucke
University of Oxford - Faculty of Law, University of Oxford - Faculty of Law, New York University Abu Dhabi, University of Oxford Faculty of Law, University of Oxford - Faculty of Law, King & Wood Mallesons, University of California, Berkeley - School of Law, King & Wood Mallesons, University of Melbourne - Law School and University of Tennessee College of Law
Downloads 478 (103,868)

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Corporate Scandals, Law and Technology, Brexit, Capital Markets Union, Prospectus Regulation, Antitrust, Competition, Corporate Governance, Smart Contracts, Blockchain

22.

The Rule of Law in the Technological Age Challenges and Opportunities for the EU Collected Papers

Amsterdam Law School Research Paper No. 2017-35, Amsterdam Centre for European Law and Governance Research Paper No. 2017-02
Number of pages: 65 Posted: 25 Jul 2017 Last Revised: 14 Dec 2018
Maria Weimer, Kati Cseres, Christina Eckes, Roger Brownsword, Geert van Calster, Kathleen Garnett, Leonie Reins, Ariel Ezrachi, Maurice E. Stucke, Tamara K. Hervey, Orla Lynskey, Indra Spiecker and Indra Spiecker
Amsterdam Centre for European Law and Governance, University of Amsterdam, University of Amsterdam - Amsterdam Centre for European Law and Governance and Amsterdam Center for Law & Economics, Amsterdam Centre for European Law and Governance, King's College London - The Dickson Poon School of Law, K.U. Leuven, Independent, Tilburg University, University of Oxford - Faculty of Law, University of Tennessee College of Law, University of Sheffield - Faculty of Law, London School of Economics - Law School and Max Planck Institute Research on Collective GoodsKarlsruhe Institute of Technology
Downloads 435 (116,030)
Citation 2

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Rule of law, new tecnology, EU regulation, fundamental rights, risk regulation, digital age, superplatforms, competition law, data protection

23.

Competition Policy and the Labour Share

Competition Policy and the Labour Share, upcoming in The Journal of Law, Economics, and Organization
Number of pages: 36 Posted: 17 Apr 2021 Last Revised: 18 Apr 2023
Amit Zac, Carola Casti, Christopher Decker and Ariel Ezrachi
ETH Zürich, University of Oxford, University of Oxford and University of Oxford - Faculty of Law
Downloads 422 (120,311)
Citation 1

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Competition policy, Economic inequality, Labour share, Market power

24.

The Role of Secondary Algorithmic Tacit Collusion in Achieving Market Alignment

University of Oxford | Centre for Competition Law and Policy | Working paper CCLP(L)54 , University of Tennessee Legal Studies Research Paper
Number of pages: 25 Posted: 06 Sep 2023
Ariel Ezrachi and Maurice E. Stucke
University of Oxford - Faculty of Law and University of Tennessee College of Law
Downloads 396 (129,445)

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Algorithms, Collusion, Hub and Spoke, Antitrust, Tacit Collusion

25.

Merger Control and Cross Boarders Transactions - a Pragmatic View on Cooperation, Convergence and What's in between

Number of pages: 22 Posted: 07 Nov 2005
Ariel Ezrachi
University of Oxford - Faculty of Law
Downloads 393 (130,511)

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26.

Excessive Pricing, Entry, Assessment, and Investment: Lessons from the Mittal Litigation

Antitrust Law Journal, Vol. 76, No. 3, p. 873, 2010
Number of pages: 26 Posted: 17 Aug 2010
David Gilo and Ariel Ezrachi
Tel Aviv University - Buchmann Faculty of Law and University of Oxford - Faculty of Law
Downloads 352 (147,446)
Citation 1

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Antitrust, Economics, Industrial Organization, Monopoly, Regulation

27.

Online Marketplace Bans and Consumer Welfare - A Tale of Quality and Long Term Investment, or a Story of Limited Choice and Higher Prices?

Number of pages: 6 Posted: 14 Jun 2017
Ariel Ezrachi
University of Oxford - Faculty of Law
Downloads 317 (164,926)

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competition law, online marketplaces, verticla agreements

28.

Innovation Misunderstood

American University Law Review, Vol. 73, University of Tennessee Legal Studies Research Paper
Number of pages: 60 Posted: 06 Sep 2023 Last Revised: 09 Oct 2023
Maurice E. Stucke and Ariel Ezrachi
University of Tennessee College of Law and University of Oxford - Faculty of Law
Downloads 283 (185,690)

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Innovation, competition law, antitrust, digital economy

29.

Criminalising Cartels: Why Critical Studies?

in C Beaton-Wells and A Ezrachi (eds), Criminalising Cartels: Critical Studies of an International Regulatory Movement, Hart Publishing (2011), 3-23, U of Melbourne Legal Studies Research Paper
Number of pages: 29 Posted: 14 Jun 2019
Caron Beaton-Wells and Ariel Ezrachi
Melbourne Law School and University of Oxford - Faculty of Law
Downloads 159 (317,183)
Citation 1

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anti-cartel law movement, criminal law movement

30.

UNCTAD’s Collaborative Information Platform

Ariel Ezrachi, Hassan Qaqaya, UNCTAD’s collaborative information platform, December 2012, Concurrences N° 4-2012, Art. N° 49297, pp. 204-207, https://www.concurrences.com/en/review/issues/no-4-2012/international/unctad-s-collaborative-information-platform
Posted: 10 Jun 2021
Ariel Ezrachi and Hassan Qaqaya
University of Oxford - Faculty of Law and United Nations Conference on Trade and Development

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International organisations, Procedures, Exchange of information, Cooperation between NCAs

31.

Form and Effects Based Approaches: A Challenging Duality in the Application of Art. 102 TFEU

Ariel Ezrachi, Form and effects based approaches: A challenging duality in the application of Art. 102 TFEU, May 2010, Concurrences N° 2-2010, Art. N° 31009, https://www.concurrences.com/en/review/issues/no-2-2010/foreword/form-and-effects-based-approaches-a-challenging-duality-in-the-application-of
Posted: 26 May 2021
Ariel Ezrachi
University of Oxford - Faculty of Law

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European Union, Unilateral Practices, Dominance, Effect on competition

32.

The Rise of Behavioural Discrimination

Oxford Legal Studies Research Paper No. 54/2016, 37 European Competition Law Review 484 (2016), University of Tennessee Legal Studies Research Paper
Posted: 28 Aug 2016 Last Revised: 01 Feb 2018
Ariel Ezrachi and Maurice E. Stucke
University of Oxford - Faculty of Law and University of Tennessee College of Law

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internet, e-commerce, price discrimination, antitrust enforcement

33.

Sponge

Journal of Antitrust Enforcement (2016) 1-26 ( Open Access - Available on the JAE website )
Posted: 02 Mar 2015 Last Revised: 15 Jun 2017
Ariel Ezrachi
University of Oxford - Faculty of Law

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Competition law, Antitrust, Competition policy, Industrial Policy, Lobbying, Neo-classical economic theory, Behavioural economics, Jurisprudence

34.

Cross Border Transfer of Wealth – Reflections on Competition Law and Developing Economies

University of Oxford Centre for Competition Law and Policy Working Paper No. 32
Posted: 22 Jan 2012
Ariel Ezrachi
University of Oxford - Faculty of Law

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Competition law, consumer welfare, Extraterritoriality, Export Cartels

35.

Buying Alliances and Input Price Fixing – In Search of a European Enforcement Standard

Journal of Competition Law and Economics, 2012
Posted: 21 Jan 2012
Ariel Ezrachi
University of Oxford - Faculty of Law

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price fixing, buyer cartel, input cartel, European competition law

36.

The Darker Side of the Moon: Assessment of Excessive Pricing and Proposal for a Post-Entry Price-Cut Benchmark

REFLECTIONS ON ITS RECENT EVOLUTION, Article 82 EC, Ariel Ezrachi, ed., Hart Publishing, 2009
Posted: 04 Mar 2009
Ariel Ezrachi and David Gilo
University of Oxford - Faculty of Law and Tel Aviv University - Buchmann Faculty of Law

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antitrust, competition law, abuse of dominance, monopoly, excessive price, predatory pricing

37.

European Cartel Enforcement and the Possible Implications for Japanese Companies

Posted: 03 Dec 2007
Ariel Ezrachi
University of Oxford - Faculty of Law

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Cartels, Japan, Europe

38.

Globalization of Merger Control - a Look at Bilateral Cooperation Through the Ge/Honeywell Case

Florida Journal of International Law, Forthcoming
Posted: 26 Nov 2005
Ariel Ezrachi
University of Oxford - Faculty of Law

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39.

The Role of Voluntary Frameworks in Multinational Cooperation

George Washington International Law Review, Vol. 36, No. 2, p. 433, 2004
Posted: 04 Nov 2005
Ariel Ezrachi
University of Oxford - Faculty of Law

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40.

Limitations on the Extraterritorial Reach of the European Merger Regulation

E.C.L.R., Vol. 22, No. 4, pp. 137-146, 2001
Posted: 02 Nov 2005
Ariel Ezrachi
University of Oxford - Faculty of Law

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41.

Behavioural Remedies in EC Merger Control - Scope and Limitations

World Competition, Vol. 29, No. 3, September 2006
Posted: 20 Oct 2005
Ariel Ezrachi
University of Oxford - Faculty of Law

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42.

Ec Competition Law and the Regulation of Passive Investments Among Competitors

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Ec Competition Law and the Regulation of Passive Investments Among Competitors

Oxford Journal of Legal Studies, Vol. 26, p. 327-349, 2006
Posted: 12 Jan 2005 Last Revised: 09 Jun 2008
David Gilo and Ariel Ezrachi
Tel Aviv University - Buchmann Faculty of Law and University of Oxford - Faculty of Law

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Passive investment, EU competition law, Tacit collusion, unilateral effects, merger regulation

Ec Competition Law and the Regulation of Passive Investments Among Competitors

Oxford Journal of Legal Studies, Vol. 26, No. 2, pp. 327-349, 2006
Posted: 29 Feb 2008
Ariel Ezrachi and David Gilo
University of Oxford - Faculty of Law and Tel Aviv University - Buchmann Faculty of Law

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Other Papers (1)

Total Downloads: 1,034
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1.

The Stars You Meet Along the Way - The Top 99 Presentation Dynamics Which Will Be Engraved in Your Memory (For the Wrong Reasons) (Special 2017 Edition)

Number of pages: 14 Posted: 04 Aug 2016 Last Revised: 18 Jun 2017
Ariel Ezrachi and Maurice E. Stucke
University of Oxford - Faculty of Law and University of Tennessee College of Law
Downloads 1,034

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Teaching excellence, Presentation dynamic, Conferences