The article reviews the issues of the economic security of the country from the standpoint of identification of financial crises. The essence and content of a financial crisis are given, characteristic traits of a stock market bubble as an integral part of a stock market crisis are singled out. Special emphasis is laid on the study of the existing methods of identification and measurement of bubbles. The authors analyze the modern stock market crises, describe the Russian stock market vulnerability factors. The article evaluates the possibility for the origination of a stock market crisis in Russia on the modern stage resulting in the creation of a multi-factor stock market bubble identification model. The authors justify proposals and recommendations for the elimination of the existing Russian stock market problems aimed at removal of the economic security threats of the country.

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Limited capacity in usage of the borrowed funding sources, high loan pressure, macroeconomical and geopolitical instability and current reorganization of all banking system – these are the reasons why the development of financial leasing in Russia is now discussed at a practice level, and that is why scientific researches in this field are relevant. Currently, as productive state-owned and private capital stocks are being formed or renewed, the organizations experience an extreme lack of financial resources. Financial leasing in this situation seems an adequate and relevant investment tool with high effectiveness rates, financial difficulties aid and possibilities of raising a capital. The goal of the article is to justify the benefits of financial leasing in comparison to other funding tools, and to review current trends in development of leasing services. To achieve the goal mentioned, the authors used a systematic approach in order to analyze the problem in complex and to propose concrete steps for the solution.

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