Chapter 1 Introduction; Chapter 2 The Constitutional Framework of Campaign Finance Regulation: Fundamental Principles; Chapter 3 Campaign Finance Regulation in the U.S.; Chapter 4 Campaign Finance Regulation in the U.K.; Chapter 5 Campaign Finance Regulation in Greece; Chapter 6 Comparative Assessment; Chapter 7 Towards Campaign Finance Reform; List of CasesThis book provides a detailed analysis of the different principles that shape the constitutional background of campaign finance law.This book provides a detailed analysis of the different principles that shape the constitutional background of campaign finance law. Through three indicative country specific examples, the author examines legislation and jurisprudence that reflect such principles and demonstrate the common and different approaches in this upcoming field of law as driven by different constitutional traditions.This is the first time in legal scholarship that such an analytical effort is made to draw universal conclusions on campaign finance law principles. The US, the UK and Greece represent different jurisdictional examples of regulatory evolution in the effort to control the effect of money in politics. The author achieves to set the foundations of a practical and academic debate on global campaign finance reform.The book is a useful tool for public law scholars, political scientists as well as politicians and legal practitioners who are faced with campaign finance regulation and enforcement questions in the three jurisdictions and globally.