The book is the fruit of the work of many parts of the World Bank and reflects efforts to better understand the phenomenon of corruption. Its first part is devoted to corruption in such sectors of the economy as health, education, forestry, roads, electricity, oil and gas, water supply and sewerage. The second part deals with the management of public finances, in particular, the formation and implementation of the budget, public procurement of goods and services, the activities of tax and customs departments. The third part deals with combating money laundering .. “Multiple corruption” offers a practical concept that will help reformers to analyze the situation with corruption and make reforms at the sector level focused. This book is addressed to both researchers and practitioners involved in economic development.