The main subject of this yearbook is "Taxation of Capital and Wage Income:Towards Separated or More Integrated Personal Tax Systems". A number of distinguished authors share their reflections in this important field. The general reports to the 2007 Nordic Tax Research Council Seminar are included, as well as the national reports. The yearbook also contains written versions of some of the interesting lectures that were given at the seminar. In addition, the yearbook holds summaries of dissertations published in 2007 as well as short presentations of new tax legislation in the Nordic countries.