Abstract
The main objective of the paper is to develop a system of economic and mathematical models for managing the investment activity of the coal mining enterprise, including improving the principles and methods for analyzing the profitability of investment projects and the optimal allocation of investments. Therefore, the article addressing the following issues: to determine the objectives of investment activity in coal mining enterprises; to systematize and identify statistically significant factors influencing investment activity in coal mining enterprises - affecting investment in coal mines; to form an economic-mathematical model for determining the amount of money that a coal-mining enterprise can allocate to investing; to form an economic-mathematical model for determining the enterprises profit as a result of the investment project implementation; to demonstrate expediency and perspective of the complex of developed model’s implementation, to check their practical efficiency; With the help of neural networks, a model was built based on 12 kinds of investment (9 kinds of investments into equipment, capital investment, portfolio investment, intangible assets investments) which are the most typical for a coal-mining enterprise. The method of optimization of investment allocation on a coal mine was developed, which, in contrast to the existing ones, determines the optimal investment volume, which helps to maximize profits for 12 investment models. As a result the method of optimization of investment allocation on a coal mine was developed, which, in contrast to the existing ones, determines the optimal investment volume, which helps to maximize profits for 12 investment models. JEL Classification: C45, E22, L72. https://doi.org/10.26661/2522-1566/2019-3/09-03
Highlights
Nowadays an insignificant investment activity in the Ukrainian coal-mining industry can be noticed
For the first time: theoretical aspects of management of investment activity at the coal mining enterprise, which are reflected in the complex of economic and mathematical models, which include determination of profit of the mine from the realization of the investment project, determination of necessary investment volumes and optimization of their distribution on the criterion of profit maximization, are developed; Improved:
A model for determining the effectiveness of investments, which allows to determine the profit of the coal mining enterprise from the implementation of the investment project
Summary
Nowadays an insignificant investment activity in the Ukrainian coal-mining industry can be noticed. In the period of limited investment resources, the effectiveness of their rational use comes to the fore To solve such tasks, an improved methodology for optimal distribution of MANAGEMENT AND ENTREPRENEURSHIP: TRENDS OF DEVELOPMENT ISSUE 3 (09), 2019 limited investment resources is needed, which is tailored to the coal mining industry and takes into account those characteristics that can influence the efficiency of investments. An improved methodology for optimal distribution of MANAGEMENT AND ENTREPRENEURSHIP: TRENDS OF DEVELOPMENT ISSUE 3 (09), 2019 limited investment resources is needed, which is tailored to the coal mining industry and takes into account those characteristics that can influence the efficiency of investments It indicates the relevance of the problems that are posed and solved in the research. In 1959, the first official standard methodology - the definition of the economic efficiency of capital investments, which was the subject of mandatory application in all branches of the national economy, was approved in the USSR
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