In the European Union, competition law has expanded and matured, assuming a key role in the promotion of consumer welfare, economic progress and public interest in general. Nevertheless, several issues remain open. Should the European Union remain faithful to antitrust public enforcement or fully consider the complementary role of private enforcement? Are the European solutions concerning exclusionary abuses coherent and predictable? What role should National Competition Authorities play in the context of State Aid? This book attempts to analyse and discuss some open, selective questions concerning three particular topics on competition law that are becoming highly relevant in the European and national praxis: antitrust private enforcement,...