<p>It is almost exactly ten years since the publication of the VAT Green Paper, and eight years since the introduction of VAT. Purchase Tax, which was not without its deficiencies but aroused little ill feeling, and Selective Employment Tax, which was widly unpopular, were replaced by VAT. Being by far the most radical tax change seen in post-war Britain it provided a good opportunity for researchers to investigate the costs associated with the introduction of a new and, in this case, complex tax. The results of just such an investigation form the core of this book. </p>