This collection investigates the fundamental legal principles governing the European single market. The book examines the core legal concepts and structures that enable its functioning, addressing persistent confusion arising from the European Court's evolving case law. It adopts a thematic approach, analyzing distinct freedoms within the context of various legal principles. Key themes include discrimination, horizontality, mutual recognition, market access, pre-emption, harmonization, enforcement, mandatory requirements, flexibility, subsidiarity, and proportionality.

The book is structured as an edited collection, indicating a comprehensive overview of the single market's legal framework. Its thematic approach suggests a detailed analysis of specific legal concepts and their application across different freedoms. The inclusion of contributions addressing competition law, capital, and the WTO dimension points to a broad scope, likely appealing to legal scholars and practitioners specializing in EU law. The focus on the European Court's case law implies a text that is both current and analytical, suitable for those needing to understand the practical application of these legal principles.