This book showcases recent advances in the theoretical and empirical understanding of the economic aspects of organised crime and illegal markets. It provides new insights into defining and quantifying the influence of organised crime by drawing on innovative approaches to studying criminal networks and organisations such as the Hell’s Angels. The book includes analysis of the structure of illegal drug markets from international leaders in the field. Finally the text includes empirical case studies of the diverse markets where organised crime is currently active including the illegal market for crystal methamphetamine in Australia, tiger products in China and the falcon and fur trades in Russia.