Book excerpt: From the back cover: The papers in this ground breaking book constitute a unique collection of information about the underground economy and how it is manifested in a variety of countries. Section One attempts to measure Canada's underground economic activity and provides a specific estimate of the impact that tax changes have on its size. It also looks at the problems of tax evasion and tax avoidance. Section Two deals with the size of the underground substance economy, the legal aspects of tlhe underground economy in the United States, and an asseeement of the economic activities of the Mafia. Section Three analyzes the underground economy abroad, specifically in the United States, Britain, Mexico, Peru, Chile, Russia and China. The fourth section returns to Canada and examines some policy implications of the underground economy. A survey detailed in Section One shows that a majority of Canadians believe that they do not receive enough benefits for the taxation they pay. Section Four offers a solution to the problem of tax evasion and underground economic activity; the adoption of user fees and user taxes.