Fundamental and applied issues of economical theory and practice are introduced in this monograph. Actually this treatise is dedicated to postulate of Determinacy principle of economic process and the principal of Uniformity of Economical Process that enables to formulate and specify the essential and sufficient conditions for framing dynamic economical and mathematical models adjusted for incomplete information. In particular methods of mathematical modeling of market and industrial management subject to unaccounted social and economical factors are offered in this monograph. This publication is designed for students of economical, administrative and management speciality in all types of education as well as for scientists, personnel engaged in the field of economy, management, finance and banking.