This book addresses the problem of how to fight corruption in the public sector. The study presents a comprehensive analysis of corruption that not only highlights the problems, but also potential solutions for a broad range of corruption manifestations in tax administration, government expenditure programs and other areas of fiscal policy and management. The analysis and discussion is supported and clarified by relevant real-world examples and empirical analysis. In particular, country-specific examples are used to identify key issues and valuable lessons for reducing corruption. It provides a comprehensive overview of corruption issues. It covers the different forms of corruption: administrative and political corruption. It identifies successful policy responses.