Shumlyans'ka O. The economic and mathematical models of planning of the main production activity of the shipping companies.

The thesis is dedicated to the problem of raising effectiveness of the domestic shipping companies' production and economic activity by means of improvement of planning of the fleet work on the basis of methodology of business-planning. The complex approach to the process of planning has been carried out that combines both the marketing researches and vector optimization. It allows to carry out the grounded choice of the shipping company's objectives and to draw the economic and mathematical models of multi-criteria optimization problems of production planning adequate to the marketing positions of the shipping company. The multi-criteria problems with linear and nonlinear criteria represented by quantitative and qualitative indices, that are especially important in planning in market conditions, have been advanced and solved. The method of the estimation of plan decision risk has been worked out as well.