This article, which is based on the inaugral address given at the IBFD Tax Lecture Series in Beijing, China, examines the basic foundations and nature of income tax law before going on to offer a unifying theory of taxation law. Income tax law is notoriously complex for a range of reasons. One...

As part of systems of tax law, general anti-avoidance rules frustrate transactions that contrive to avoid tax. Avoidance transactions adhere to the strict letter of the law while flouting or exploiting its policy. Statutory general anti-avoidance rules are found in many countries in Europe and...

Autopoiesis is a post-modern, essentially positivist theory that tries to describe the true nature of law. Its principal tenets are the ideas of self-reproductive growth from reasoning that is self-referential and recursive, relative autonomy from, and “operative closure” against, other...

The English version of this paper can be found at: http://ssrn.com/abstract=1473612 The article compares the general anti-avoidance rule of income tax law with the civil law doctrine of abuse of law (Rechtsmissbrauch, abus de droit) in eight jurisdictions: Germany, Croatia, New Zealand,...

If “tax avoidance” means “contriving legal transactions that reduce tax in ways that are contrary to legislative policy”, then “evasion” is illegal reduction and “mitigation” is unexceptionable reduction. Apparently, tax avoidance may occur endogenously, within the existing...