This book investigates the nature, extent, and implications of the underground economy in the United States and internationally. Vito Tanzi, a distinguished economist, draws upon his extensive research and experience to analyze the factors contributing to the growth of this hidden sector and its impact on official economic statistics and policy. The work aims to provide a comprehensive overview of a phenomenon that significantly distorts our understanding of economic activity.

This work is recognized as a foundational text in the study of the underground economy, offering a rigorous and detailed examination of a complex economic issue. Tanzi's analysis is noted for its depth and its contribution to understanding the limitations of official economic data. The book is considered essential reading for economists, policymakers, and researchers interested in the hidden dimensions of national and global economies.