Globalisation has had positive effects on the development of tax systems and has encouraged countries to engage in base broadening and rate reducing tax reforms. However, it has also created an environment in which tax havens thrive and in which governments may be induced to adopt harmful...

This Report describes progress made in identifying and addressing harmful tax practices within and outside the OECD. In addition to reporting on the work done in connection with tax havens, it also discusses the work related to Member countries and non-Member economies. It is a follow-up to the...