-The article analyses the concept of import substitution in a complex geopolitical situation in the world. It identifies and reveals the problems with establishing a fund for industrial development and its vulnerability to market conditions. For various example, it reveals the rapid development of import-substituting strategies in domestic enterprises. The possibility and expediency are considered as the replacement of certain groups of imported products in the domestic market, particularly production of the construction materials. The conclusion is that the policy of import substitution as a phenomenon can be successfully analyzed and applied to the examples of other countries.

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The article provides an in-depth analysis of the construction industry in Russia, and in particular the Irkutsk region. Discloses the tools to support import substitution in the construction industry. As a research tool used economic-statistical, methods of analysis, synthesis and analogy. The statistical data that reflects the effectiveness of state mechanisms to support Russian manufacturers of building materials are presented. A number of proposals for improving the existing mechanism were proposed. The advantages of developing the production of heat-insulating materials, innovative constructions of reinforced concrete structures and ready-made house sets on the territory of the Irkutsk region are revealed. The conclusions are presented, which reflect the effectiveness of the application of the policy of import substitution as a mechanism for the development of the construction industry of the Irkutsk region.

In this paper, we analyzed the developed methodology for the optimal distribution of public and private investment research in order to obtain the maximum economic effect in a particular block of the industrial cluster. By industrial cluster blocks, we define: block 1 -"R & D", block 2 -"Procurement and Financial Support", block 3 -"Production and Technological Activities", block 4 -"Staffing Support", block 5 -"Realization of Production equipment". In this article, we offered methodology for the distribution of investment in blocks of an industrial cluster using game theory. In order to determine the investment strategy, we built a payment matrix. In order to confirm the hypothesis to determine the best solutions, we used the classical and derived conformity criteria: Bayesa, Laplace, Sauvage, Gurviz, Hodge-Lehmann. As a result, we obtain the most optimal investment strategy, which shows the effective distribution of public and private investments in the industrial cluster blocks.

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