Abstract
This report consists of 3 main chapters, one for each of the 3 general methodologies for cost calculation: direct costs, indirect costs and human costs. Within each chapter, the concept is defined and then the methods for estimations are described: a description of the methods available, and the theoretical basis of the methods. The results found are presented as well as the methodological strengths and weaknesses. The conclusions are formulated with regard to the value of the methodologies, and recommendations of the methodologies applied, in the last section of each chapter. (Author/publisher)