The purpose of this paper is to explore the relationship between personal values and personal tax culture regarding the perception of a tax system's fairness. The paper deals with the main theoretical starting points of the fundamental cornerstones of the general tax culture such as tax evasion,...

This technical note is provided as guidance to tax administrations that are considering a program to enhance the tax compliance of high wealth individuals. The note explains the rationale for a specialized compliance program for this segment of the taxpayer base and provides guidance on defining...

It is generally difficult to measure revenue not collected due to noncompliance, but a growing number of countries now regularly produce and publish estimated revenue losses. Good tax gap analysis enables the detection of changes in taxpayer behavior by consistent estimates over time. This...