Elastic Legal Standards in Platform Regulation

1. Introduction

Elastic legal standards in platform regulation refers to the use of flexible, open-textured, and adaptable legal tests to regulate digital platforms whose technologies, business models, network effects, and competitive conditions change rapidly. Unlike rigid rules that prescribe precisely what conduct is prohibited, elastic standards allow courts and competition authorities to interpret concepts such as dominance, exclusion, fairness, indispensability, foreclosure, consumer harm, interoperability, discrimination, and abuse according to the circumstances of a particular digital market.

Platform markets make such flexibility especially important because conventional competition-law categories were largely developed for markets characterized by physical products, relatively stable technologies, and clearer distinctions between producers and consumers. Digital platforms, by contrast, may simultaneously operate as intermediaries, competitors, infrastructure providers, data collectors, advertisers, ranking systems, and rule-makers.

Elastic standards therefore seek to preserve legal principles while allowing their application to evolve with technological and economic conditions.

2. Meaning of Elastic Legal Standards

An elastic legal standard is a legal test whose application depends substantially upon context, economic evidence, market circumstances, and the effects of conduct, rather than upon a mechanically defined prohibition.

Examples include:

abuse of dominance;

unfair trading conditions;

substantial lessening of competition;

significant impediment to effective competition;

foreclosure;

indispensable facility;

objective justification;

proportionality;

consumer welfare;

exploitative abuse;

exclusionary abuse;

unreasonable restraint;

discriminatory access;

essentiality;

competitive harm.

In platform regulation, these standards can be applied to conduct such as:

self-preferencing;

tying and bundling;

discriminatory ranking;

data exploitation;

interoperability restrictions;

app-store restrictions;

platform parity clauses;

exclusive dealing;

refusal to provide access;

algorithmic discrimination;

degradation of competing services;

restrictions on multi-homing;

data portability barriers;

preferential treatment of vertically integrated services.

3. Why Platform Markets Require Elastic Standards

A. Rapid technological change

Digital platforms can change their architecture, algorithms, interfaces and monetisation models much faster than legislation can be amended.

A rigid statutory rule may become obsolete before it is effectively enforced.

B. Multifaceted platform structures

A platform can simultaneously serve:

consumers;

sellers;

advertisers;

developers;

content providers;

payment providers;

data suppliers.

Conduct beneficial to one side may harm another.

C. Network effects

The value of many platforms increases as participation increases.

This can create a feedback loop:

more users → more data → better service → more users → more commercial partners → stronger ecosystem → greater entry barriers.

Elastic standards allow regulators to determine when this feedback mechanism becomes exclusionary rather than merely competitive.

D. Algorithmic conduct

Modern platforms may make millions of competitive decisions automatically.

The legal question may therefore concern the economic consequences of an algorithmic system, rather than a traditional contractual restriction.

E. Ecosystem competition

Competition may occur between entire ecosystems rather than individual products.

For example:

operating system → app store → payment system → cloud infrastructure → advertising → data → consumer services.

A narrow product-by-product analysis can underestimate ecosystem power.

4. Principal Features of Elastic Platform Regulation

A. Contextual interpretation

The same conduct may be lawful in one market but unlawful in another.

For example, a ranking preference by a small platform may have little competitive significance. The same conduct by a dominant platform controlling access to a critical marketplace may substantially foreclose rivals.

B. Effects-based analysis

Elastic standards permit regulators to investigate actual or probable competitive effects.

Relevant questions include:

Are rivals being excluded?

Are entry barriers increasing?

Is consumer choice declining?

Is innovation being reduced?

Are switching costs increasing?

Is interoperability being degraded?

Is access to data being restricted?

Is the platform extending power from one market into another?

C. Economic adaptability

Competition authorities can incorporate developments in:

industrial organisation economics;

behavioural economics;

data economics;

network-effects theory;

algorithmic pricing;

multi-sided-market theory;

innovation economics.

The standard remains legally stable while its economic application develops.

5. Elasticity and the Definition of Relevant Markets

Traditional market definition can become difficult for platforms because services may be supplied at a zero monetary price.

For example, users may receive a social-network service without paying money while the platform monetises advertising.

Elastic standards allow regulators to consider:

quality;

privacy;

attention;

data;

switching costs;

interoperability;

user engagement;

innovation;

advertising access.

The relevant competitive constraint may therefore exist even where the consumer pays nothing.

6. Elasticity in the Assessment of Dominance

Dominance is not necessarily determined solely by market share.

A regulator may examine:

network effects;

economies of scale;

data advantages;

switching costs;

multi-homing;

ecosystem integration;

access to infrastructure;

vertical integration;

technological barriers;

behavioural lock-in;

financial resources.

Consequently, a platform with a high market share may possess substantial market power even where competitors technically remain numerous.

Conversely, a high market share does not automatically establish dominance where entry and switching are genuinely easy.

7. Elastic Standards and Self-Preferencing

Self-preferencing illustrates the importance of flexible regulation.

Suppose a platform operates a marketplace while simultaneously selling its own products.

It may rank its own products above competitors.

The legal question is not simply:

"Does the platform prefer its own product?"

Instead, the regulator may ask:

Does the platform possess substantial market power?

Is the ranking infrastructure important for reaching consumers?

Are rivals dependent on the platform?

Does preferential ranking materially reduce their visibility?

Is the preference objectively justified?

Does it foreclose equally efficient competitors?

Can consumers readily switch to alternative platforms?

Elastic standards permit these questions to be assessed together.

8. Elasticity and Refusal to Deal

A dominant platform's refusal to provide access may raise concerns where competitors depend upon its infrastructure.

However, mandatory access can reduce incentives to invest.

An elastic standard therefore balances:

access to infrastructure

against

the dominant firm's freedom to innovate and invest.

This is why essential-facility and refusal-to-supply doctrines normally involve demanding legal thresholds.

9. Elasticity and Interoperability

Interoperability is increasingly important in platform markets.

A platform can potentially disadvantage competitors by:

refusing interoperability;

limiting APIs;

restricting data portability;

degrading technical access;

changing protocols;

imposing incompatible technical standards.

Elastic regulation allows authorities to distinguish legitimate cybersecurity or privacy measures from strategic interoperability restrictions.

10. Elasticity and Algorithmic Conduct

Traditional competition law generally assumes identifiable human decisions.

Platform markets increasingly involve:

recommendation algorithms;

pricing algorithms;

ranking algorithms;

advertising algorithms;

matching algorithms;

automated bidding;

AI-generated product recommendations.

An elastic standard allows regulators to ask whether the design and operation of an algorithm produces exclusionary effects, even when no traditional written agreement exists.

11. Major Case Laws

1. United Brands v Commission, Case 27/76

The Court of Justice of the European Union developed important principles concerning dominance and market power.

The case demonstrates that dominance is a relative economic concept, requiring assessment of the undertaking's ability to behave to an appreciable extent independently of competitors, customers and consumers.

Relevance to platforms

The principle is adaptable to digital ecosystems.

A platform may exercise market power even where consumers technically have alternative services if network effects, switching costs and data advantages substantially constrain effective competitive alternatives.

2. Hoffmann-La Roche v Commission, Case 85/76

The Court characterised dominance as a position of economic strength enabling an undertaking to behave to an appreciable extent independently of competitors, customers and consumers.

It also established the importance of identifying conduct that may constitute abuse rather than treating dominance itself as unlawful.

Platform significance

The case provides the conceptual foundation for assessing:

ecosystem power;

platform dependence;

exclusionary strategies;

loyalty mechanisms;

contractual restrictions.

Its broad formulation is sufficiently flexible to apply to modern digital markets.

3. Microsoft v Commission, Case T-201/04

This is one of the most important cases for modern platform regulation.

The European Commission found abusive conduct involving:

interoperability restrictions; and

tying of Windows Media Player to Windows.

The General Court substantially upheld the Commission's findings.

Importance for elastic standards

The case demonstrates how competition law can adapt traditional abuse-of-dominance principles to technologically complex ecosystems.

Interoperability became a competition issue because Microsoft controlled an important technological platform.

Modern application

Comparable reasoning may arise where a dominant platform restricts:

APIs;

data access;

interoperability;

application compatibility;

communication protocols.

4. Google Shopping, Case AT.39740

The European Commission found that Google had abused its dominant position by systematically giving prominent placement to its comparison-shopping service while demoting competing comparison-shopping services.

The General Court substantially upheld the Commission's decision.

Importance

This case is particularly important for platform regulation because the conduct concerned ranking and visibility, rather than conventional pricing discrimination.

It illustrates the elasticity of abuse-of-dominance doctrine when applied to algorithmically organised digital markets.

Platform lesson

Control over ranking infrastructure can become a source of competitive power.

5. Google Android, Case AT.40099

The European Commission found several abusive practices involving Google's Android ecosystem, including restrictions concerning:

pre-installation;

search applications;

browsers;

app stores;

device manufacturers.

Importance

The case illustrates how dominance can operate through an interconnected ecosystem rather than through a single standalone product.

Elastic-standard significance

The analysis required consideration of:

network effects;

ecosystem economics;

switching;

app distribution;

pre-installation;

user behaviour.

These factors demonstrate why rigid market rules may be insufficient for digital platforms.

6. Intel v Commission, Case C-413/14 P

The Court of Justice clarified the assessment of exclusionary rebates by dominant undertakings.

The Court held that where the Commission analyses whether a rebate is capable of restricting competition, it may need to examine all relevant circumstances, including the as-efficient-competitor framework where applicable.

Importance for platforms

The case illustrates the movement toward effects-sensitive competition analysis.

For platforms, similar reasoning may be relevant to:

loyalty incentives;

exclusive commercial arrangements;

platform rebates;

preferential access;

conditional discounts.

7. Bronner, Case C-7/97

The Court imposed a demanding standard for requiring a dominant undertaking to provide access to infrastructure.

The case is important for the essential-facilities/refusal-to-supply doctrine.

Platform relevance

Digital platforms increasingly resemble infrastructure because businesses may depend on:

app stores;

marketplaces;

search engines;

operating systems;

payment systems;

digital identity infrastructure.

Bronner therefore provides an important limiting principle: not every commercially important platform must be made available to competitors.

8. Slovak Telekom, Cases C-165/19 P and C-164/19 P

The case concerned access to telecommunications infrastructure and exclusionary conduct by a dominant operator.

The Court clarified important aspects of the relationship between Article 102 TFEU and refusal-to-supply/access doctrines.

Platform significance

It demonstrates how traditional infrastructure principles can be adapted to network-based markets where competitors require access to an incumbent's infrastructure.

9. Amazon Marketplace, European Commission Decision, Case AT.40462

The Commission investigated Amazon's use of non-public marketplace seller data and its relationship with competition between Amazon and independent sellers.

The case is particularly relevant to the question of platform-as-regulator versus platform-as-competitor.

Elastic-standard significance

A marketplace may simultaneously:

facilitate transactions between sellers and consumers

while also

competing with those same sellers.

Traditional vertical-relationship analysis may therefore require contextual adaptation.

12. The Platform as Both Referee and Competitor

One of the strongest arguments for elastic standards is the emergence of the dual-role platform.

A dominant platform may control:

ranking;

search visibility;

access conditions;

payment;

technical standards;

advertising;

data;

dispute resolution.

At the same time, it may compete with businesses that depend upon those systems.

This creates a structural conflict:

The platform makes the rules of competition while simultaneously competing under those rules.

Elastic standards allow regulators to scrutinise whether apparently neutral rules are being used strategically.

13. Elasticity and Objective Justification

Elastic regulation should not automatically treat platform restrictions as unlawful.

A platform may justify conduct based on:

cybersecurity;

privacy;

fraud prevention;

technical integrity;

consumer protection;

quality control;

legitimate innovation;

protection of intellectual property.

The crucial question is whether the justification is:

genuine;

objectively connected to the restriction;

proportionate;

consistently applied;

incapable of being achieved through less restrictive means.

This prevents competition law from becoming an instrument of technological micromanagement.

14. Risks of Excessive Elasticity

Elastic standards also create risks.

A. Legal uncertainty

Platforms may not know beforehand whether conduct is lawful.

B. Regulatory overreach

Authorities may interpret broad concepts too aggressively.

C. Chilling innovation

Platforms may avoid innovative conduct because of uncertainty.

D. Inconsistent enforcement

Different authorities may apply identical concepts differently.

E. Judicial unpredictability

Courts may disagree about the economic significance of rapidly changing technologies.

F. Retrospective condemnation

A platform may face liability based on economic effects that were difficult to predict when conduct was adopted.

15. How Elastic Standards Should Be Controlled

Elasticity should therefore be accompanied by safeguards.

1. Transparent analytical framework

Authorities should explain the economic theory of harm.

2. Evidence-based enforcement

Assertions of harm should be supported by evidence concerning:

foreclosure;

entry;

prices;

quality;

innovation;

consumer choice.

3. Proportionality

Remedies should not exceed what is necessary to restore competition.

4. Consistency

Similar conduct should receive similar treatment.

5. Procedural fairness

Platforms should have an opportunity to understand and contest the theory of harm.

6. Periodic reassessment

Digital markets change quickly, so remedies should be capable of modification.

16. Elastic Standards and Ex Ante Platform Regulation

Modern digital regulation increasingly combines:

ex post competition law

with

ex ante platform obligations.

Competition law asks:

Has the platform abused its market power?

Ex ante regulation may ask:

What obligations should a powerful platform comply with before harmful conduct occurs?

Examples include requirements concerning:

interoperability;

transparency;

data portability;

non-discrimination;

access;

ranking transparency;

business-user rights.

Elastic standards remain relevant because even detailed regulatory obligations require interpretation when applied to novel technological circumstances.

17. Relationship With the EU Digital Markets Act

The Digital Markets Act represents a movement away from relying exclusively on elastic Article 102 TFEU enforcement.

It establishes specific obligations for designated gatekeepers.

This creates two complementary approaches:

The two models can coexist.

18. Elasticity and Artificial Intelligence Platforms

AI intensifies the need for flexible legal standards.

An AI platform may control:

foundation models;

computing infrastructure;

model distribution;

APIs;

proprietary data;

application stores;

cloud services;

developer ecosystems.

Potential competition concerns include:

tying AI models to cloud services;

preferential access to computing;

discriminatory API access;

exclusionary licensing;

data foreclosure;

interoperability restrictions;

preferential distribution;

acquisition of emerging AI competitors.

Because many of these practices have limited historical precedent, rigid legal categories may struggle to address them.

19. A Proposed Elasticity Framework

A useful analytical framework for platform regulation can be expressed as:

Step 1 — Identify the platform's role

Is it:

intermediary;

infrastructure provider;

marketplace;

operating-system provider;

search engine;

advertiser;

data controller;

competitor?

Step 2 — Determine market power

Examine:

market share;

network effects;

switching costs;

data;

economies of scale;

interoperability;

entry barriers.

Step 3 — Identify the conduct

Examples:

self-preferencing;

tying;

refusal to deal;

exclusivity;

discrimination;

data restriction;

algorithmic ranking.

Step 4 — Establish a theory of harm

Possible theories include:

foreclosure;

leveraging;

raising rivals' costs;

exclusion;

exploitation;

innovation suppression.

Step 5 — Examine efficiencies

Consider:

security;

privacy;

innovation;

quality;

transaction-cost reduction.

Step 6 — Apply proportionality

Determine whether intervention is necessary and whether a less restrictive remedy exists.

Step 7 — Design a technologically neutral remedy

The remedy should address the competitive problem without unnecessarily prescribing a particular technological architecture.

20. Key Principles Emerging From the Case Law

The cases collectively support several important propositions.

First

Dominance is contextual.

United Brands and Hoffmann-La Roche demonstrate that dominance concerns economic power rather than merely corporate size.

Second

Digital infrastructure can have competition significance.

Microsoft, Bronner and Slovak Telekom illustrate the importance of access and interoperability.

Third

Platform ranking can itself become a competition issue.

Google Shopping demonstrates the importance of visibility and ranking in digital markets.

Fourth

Ecosystem restrictions can produce competitive harm.

Google Android demonstrates how contractual and technical restrictions can reinforce ecosystem power.

Fifth

Effects matter.

Intel illustrates the increasing importance of examining the actual or potential competitive effects of exclusionary conduct.

Sixth

Elasticity requires limits.

The demanding standards in cases such as Bronner demonstrate that flexibility does not mean automatic intervention.

21. Conclusion

Elastic legal standards are increasingly central to platform regulation because digital markets evolve faster than conventional legal categories. Concepts such as dominance, abuse, foreclosure, interoperability, discrimination, essentiality and objective justification provide flexible frameworks capable of addressing new platform practices without requiring legislation to anticipate every technological development.

The case law from United Brands, Hoffmann-La Roche, Microsoft, Google Shopping, Google Android, Intel, Bronner, Slovak Telekom and Amazon demonstrates the gradual adaptation of competition law to technologically complex markets.

The central challenge is to maintain a balance:

too little elasticity may leave regulators unable to address novel digital exclusion; too much elasticity may produce uncertainty, over-enforcement and reduced incentives to innovate.

The most defensible approach is therefore structured elasticity: broad legal standards combined with transparent economic analysis, evidence-based theories of harm, proportionality, procedural safeguards and technologically neutral remedies. This allows competition law to remain adaptable without becoming unpredictable, and enables platform regulation to respond to future developments in AI, data markets, digital infrastructure and ecosystem-based competition.