This technical note describes the importance of a taxpayer compliance program. Improving tax compliance requires long-term reform efforts, beginning with strengthening the organization and management of the revenue agency, implementing robust collection systems, and building capacity in core tax...

This technical note focuses on the concept of a shadow economy and explains its main characteristics. Although a shadow economy is acknowledged by all G-20 countries as a major and enduring revenue risk, by its nature the size of a shadow economy is difficult to measure. Sweden, however,...