Intro -- Preface -- Contents -- Platform Regulation: Ex Ante Tools and Strategies in the Regulatory Toolkit -- 1 Introduction -- 2 Futility of Competition vs. Regulation 'Dichotomy' in Regulating Digital Services -- 3 The Role of the Digital Markets Act and the Digital Services Act in European Digital Constitutionalism -- 3.1 Digital Markets Act: A Competition-Regulatory Hybrid -- 3.2 Digital Services Act: A Shift from Liability Regimes to Regulatory Compliance -- 4 Transcending the Traditional Divide Between Social and Economic, Public and Private Regulation -- 5 Risk Governance of Platforms in Digital Markets -- 5.1 Towards a Risk-Based Approach to Regulation -- 5.2 Risk-Based Approach to Designating Large Platforms as Systemically Important Regulatory Intermediaries -- 5.3 DSA: 'Hybrid' Risk-Based Approach in European Governance of Digital Technologies -- 5.4 DMA: Precautionary Approach to Duties and Risk-Related Obligations of the Gatekeepers -- 5.5 The DSA: Risk-Based Approach in Defining Asymmetric Due Diligence Obligations and the Concept of Systemic Risk -- 6 The Nature of Enforcement and Strategic Compliance Management -- 6.1 Risk-Based Compliance Enforcement Strategies: A Meta-regulatory Approach -- 6.2 The Nature of the European Digital Markets' Public Enforcement Model -- 6.3 Co-regulation, 'Private' Regulatory Tools and Strategic Compliance Management -- 7 Conclusion -- References -- The Interoperability Requirements for Digital Gatekeepers -- 1 Introduction -- 2 Digital Gatekeepers -- 3 Gatekeepers' Obligations -- 4 Vertical Interoperability -- 4.1 The |