Competition Law Dissertation Topics for 2026

Common Questions Students Ask Before Choosing a Competition Law Dissertation Topic

From student forums, university discussion boards, and postgraduate support groups, certain questions appear again and again. These reflect real concerns students face when selecting a dissertation topic in competition law.

Students often ask:

• How do I choose from so many Competition Law Dissertation Topics without picking something too broad?
• What are the most relevant areas of competition law for 2026?
• Are there different expectations for undergraduate, master’s, and PhD research?
• What makes a competition law research question strong and academically credible?
• How do I know if my topic is current enough for today’s legal and economic landscape?
• Should I focus on UK law, EU law, or take a comparative approach?
• Are digital markets and big tech still considered hot areas?
• Where can I find competition law dissertation topics pdf resources for structured guidance?

If you are asking similar questions, you are not alone. This guide answers them clearly and practically.

Why Choosing the Right Competition Law Dissertation Topic Matters

Your dissertation is not just another assignment. It is a demonstration of your ability to think critically, analyse legal doctrine, evaluate policy, and engage with academic debate.

In competition law, topic choice is especially important because the field evolves quickly. Courts refine legal tests. Legislators reform regulatory frameworks. Digital markets challenge traditional definitions of dominance and market power.

A well-chosen topic should:

• Address a real legal problem
• Engage with current case law or policy debates
• Be manageable within your word limit
• Match your academic level

For undergraduates, clarity and structured analysis matter most. For master’s students, depth and critical evaluation are essential. For PhD candidates, originality and contribution to knowledge become central.

If you feel unsure at this stage, seeking structured help with dissertation planning can clarify scope, research design, and methodology before you commit to a topic.

Key Research Areas in Competition Law for 2026

Before selecting from various hot dissertation topics in competition law, you need to understand the core domains of the field. Competition law, also known as antitrust law in some jurisdictions, regulates market behaviour to prevent anti-competitive practices and protect consumer welfare.

The main research areas include:

Abuse of Dominance and Market Power

This area examines how dominant firms may distort competition through exclusionary or exploitative conduct. It includes predatory pricing, refusal to supply, margin squeeze, and excessive pricing.

Cartels and Anti-Competitive Agreements

Cartel enforcement remains central to competition policy. Research often focuses on horizontal agreements, vertical restraints, leniency programmes, and enforcement mechanisms.

Mergers and Acquisitions Control

Merger control prevents concentrations that significantly impede effective competition. Students analyse economic tests, procedural fairness, and comparative approaches.

Digital Markets and Technology Platforms

Digital platforms challenge traditional market definitions. Issues include self-preferencing, data dominance, algorithmic collusion, and gatekeeper regulation.

State Aid and Public Intervention

In the EU and UK, state subsidies can distort competition. Research explores the balance between economic development and market neutrality.Competition Law and Consumer Welfare

This area evaluates whether competition law truly benefits consumers, especially in complex digital ecosystems.

Comparative and International Competition Law

Globalisation requires cross-border cooperation. Comparative research between the UK, EU, US, and emerging markets remains academically rich

Download Competition Law Dissertation Topics PDF

Many students prefer structured offline access to topic lists. A downloadable competition law dissertation topics pdf is available for students who complete a short academic request form.

This PDF contains a personalised and curated list of dissertation ideas aligned with undergraduate, master’s, and doctoral standards. Academic experts review and refine these topic suggestions to ensure they are focused, researchable, and suitable for 2026 submission expectations.

Comprehensive List of 110 Competition Law Dissertation Topics for 2026

Below is a carefully structured list of competition law dissertation topics for a PhD, master’s, and undergraduate research. Each topic is researchable, focused, and aligned with 2026 academic expectations.

Abuse of Dominance and Market Power

1. The legal test for abuse of dominance under Article 102 TFEU.
2. Excessive pricing as an exploitative abuse in pharmaceutical markets.
3. Margin squeeze practices in telecommunications regulation.
4. Refusal to supply and essential facilities doctrine in digital markets.
5. Loyalty rebates and exclusionary conduct.
6. Self-preferencing by online platforms under UK competition law.
7. Predatory pricing in platform-based economies.
8. Tying and bundling in software markets.
9. Abuse of dominance in energy markets.
10. Market foreclosure strategies in retail chains.
11. The role of intent in abuse of dominance cases.
12. Economic evidence in dominance assessments.
13. The impact of data control on market power.
14. Interim measures in abuse of dominance investigations.
15. Structural remedies versus behavioural remedies in dominance cases.

Cartels and Anti-Competitive Agreements

16. The effectiveness of cartel leniency programmes in the UK.
17. Horizontal price-fixing in construction industries.
18. Bid rigging and public procurement law.
19. Vertical agreements and resale price maintenance.
20. Information exchange and concerted practices.
21. Online resale price restrictions.
22. Cross-border cartel enforcement cooperation.
23. Criminal sanctions for cartel behaviour in the UK.
24. The evidentiary burden in proving collusion.
25. Algorithmic collusion without human agreement.
26. The role of whistleblowers in cartel detection.
27. Dawn raids and procedural fairness.
28. Settlement procedures in cartel cases.
29. Private damages actions for cartel harm.
30. Cartels in emerging digital advertising markets.

Mergers and Acquisitions Control

31. Substantial lessening of competition test in UK merger control.
32. The role of economic modelling in merger assessment.
33. Killer acquisitions in the technology sector.
34. Merger remedies and divestiture effectiveness.
35. Vertical mergers and foreclosure concerns.
36. Conglomerate mergers and portfolio effects.
37. Public interest considerations in merger control.
38. Fast-track merger reviews.
39. Merger control thresholds and jurisdictional reach.
40. Innovation harm in merger analysis.
41. Data concentration in digital mergers.
42. Judicial review of merger decisions.
43. Cross-border merger cooperation post-Brexit.
44. Failing firm defence in competition law.
45. Merger control in pharmaceutical industries.

Digital Markets and Big Tech Regulation

46. The Digital Markets Act and its enforcement implications.
47. Gatekeeper obligations in digital platform regulation.
48. Competition law and artificial intelligence markets.
49. Data portability and competitive entry.
50. Platform neutrality and app store policies.
51. Online search dominance and market definition.
52. Cloud computing and competition concerns.
53. Digital advertising market power.
54. Ecosystem lock-in strategies.
55. Interoperability requirements in messaging platforms.
56. Competition law and blockchain markets.
57. Consumer harm in zero-price markets.
58. Competition law enforcement in fintech platforms.
59. App tracking transparency and competition.
60. The role of data access remedies.

State Aid and Public Policy

Subsidy control under the UK regime.

61. State aid and environmental policy objectives.
62. Competition neutrality in public enterprises.
63. COVID-19 state support and competition distortion.
64. Regional development aid and market fairness.
65. Green subsidies and sustainable competition.
66. State aid enforcement mechanisms in the EU.
67. Judicial challenges to subsidy decisions.
68. Transparency obligations in subsidy schemes.
69. Public procurement and competition integrity.

Comparative and International Competition Law

71. UK versus US approaches to monopolisation.
72. EU competition law versus Chinese antitrust enforcement.
73. Extraterritorial application of competition law.
74. International cartel enforcement cooperation.
75. Competition law in developing economies.
76. The influence of economic theory in US and EU law.
77. Comparative merger remedies.
78. Private enforcement in the UK and US.
79. Competition law harmonisation challenges.
80. Regional trade agreements and competition rules.
81. The role of the OECD in competition policy.
82. Competition law in ASEAN markets.
83. Digital regulation comparison between EU and UK.
84. International jurisdiction conflicts in antitrust.
85. Cross-border evidence gathering in cartel cases.

Consumer Welfare and Policy Debates

86. The consumer welfare standard in modern competition law.
87. Fairness versus efficiency in competition policy.
88. Competition law and income inequality.
89. Market concentration and consumer prices.
90. Innovation protection under competition law.
91. Competition law and sustainability objectives.
92. Public interest interventions in antitrust.
93. Economic democracy and market regulation.
94. Competition law and labour markets.
95. Non-price effects in digital competition.
96. Competition and privacy rights.
97. Consumer choice theory in antitrust.
98. Market structure versus conduct approaches.
99. Long-term innovation versus short-term price effects.
100. Competition law and supply chain resilience.

Advanced Research Topics for Doctoral Study

101. Structural separation as a remedy in digital monopolies.
102. Behavioural economics in antitrust enforcement.
103. Competition law and climate change regulation.
104. Data ownership models and market competition.
105. Artificial intelligence governance and antitrust liability.
106. Dynamic competition in innovation-driven markets.
107. Antitrust and industrial policy tensions.
108. Competition law reform proposals for 2030.
109. Global digital taxation and competition concerns.
110. Competition authorities’ independence and accountability.

These topics also work well as competition law thesis topics for an MSc dissertation when narrowed appropriately.

Five Structured Dissertation Topic Examples with Aim and Objectives

Below are five academically structured examples suitable for different levels, including competition law dissertation topics undergraduate and postgraduate research.

1. The Evolving Test for Abuse of Dominance in Digital Markets

Research Aim:
To critically analyse whether current legal tests for abuse of dominance adequately address anti-competitive practices in digital platform markets.

Research Objectives:

1. To examine the traditional legal framework under UK and EU competition law.
2. To evaluate recent digital market cases involving large technology firms.
3. To assess whether regulatory reform is necessary to address structural market power.

2. Predatory Pricing in Modern Competition Law

Research Aim:
To evaluate whether predatory pricing remains a rational economic strategy and how legal standards assess it.

Research Objectives:

1. To analyse the economic theory of predatory pricing.
2. To examine judicial approaches in UK and EU case law.
3. To assess whether current enforcement standards are effective.

3. The Role of Market Definition in Merger Control Decisions

Research Aim:
To examine how relevant market definition influences merger outcomes in competition law enforcement.

Research Objectives:

1. To explain the legal and economic concept of relevant market.
2. To evaluate selected merger decisions in the UK and EU.
3. To assess criticisms of current market definition methods.

4. Algorithmic Collusion and Competition Enforcement

Research Aim:
To investigate whether competition law can effectively address tacit collusion facilitated by pricing algorithms.

Research Objectives:

1. To explain how algorithmic pricing operates in digital markets.
2. To assess the limits of existing anti-cartel frameworks.
3. To propose potential regulatory solutions.

5. State Aid Control after Brexit

Research Aim:
To analyse how UK state aid regulation has evolved post-Brexit and its impact on domestic competition policy.

Research Objectives:

1. To assess implications for market fairness.
2. To outline the EU state aid framework.
3. To evaluate the UK’s post-Brexit subsidy control regime.

Conclusion

Choosing from a wide range of competition law research paper topics for students in the UK can feel overwhelming. However, the process becomes manageable when you understand the field’s core areas, structure your research aim clearly, and align your topic with your academic level.

A strong dissertation topic should be focused, researchable, relevant, and clearly defined. It should address a genuine legal or economic issue and engage with contemporary debate.

Competition law continues to evolve, especially in digital markets and global enforcement. This makes 2026 an intellectually exciting time to conduct research in this field.

Approach your topic selection carefully, refine your research question thoughtfully, and commit to academic integrity throughout your research journey. With a structured plan and critical mindset, you can produce a dissertation that reflects both intellectual depth and professional confidence.