The Doctoral Thesis was developed at the RTU Faculty of Engineering Economics Institute of Production and Entrepreneurship. The Doctoral Thesis for being conferred the degree of Doctor of economic sciences of the Republic of Latvia is publicly presented at the open session o the RTU Promotion Council in Economics and Management Science P-09 at the Faculty of Engineering Economics of Riga Technical University of the 30th of January 2009, at 10:00 a.m., Room 407, 1 Kalku street, Riga.The Doctoral Thesis is presented in Latvian and contains introduction, 4 parts, conclusions and recommendations, list of references and appendixes which form 190 pages, not including appendixes. The Thesis includes 4 appendixes, 37 figures, 44 tables. Bibliography consists of 158 references