Abstract: The subject of this research is the development of the domestic service sector within the framework of digitalization of economic space. The goal consists in determination of the processes of dependence of the development of service sector in the context of digital transformation of the economy of the Russian Federation at the current stage of development of the national economy. The author sets the following tasks: to analyze the key economic indicators of the development of service sector in the Russian Federation; to reveal the peculiarities of digital transformation of business in this sphere; to determine the development patterns in service sector under the influence of digital processes. As a result, the author identifies the patterns and trends in the development of service sector under the influence of digital processes – increase in activity ratio and decrease in staff size. The acquired materials can be used for promoting the development of service sector on the macro- and micro-levels, which defines the value of this research. The scientific novelty consists in the formed matrix of interrelation between the development of separate branches of service sector and the processes of business digitalization. The article reveals heterogeneity in the sphere of digitalization of business processes in the service sector of the Russian Federation, as well as the trend of relative increase of the efficiency of enterprises in the industries characterized by high digital activity.

Abstract: The financial system of the Russian Federation is currently facing deterioration of the conditions of external business environment. The spread of the coronavirus infection COVID-19 turned 2020 into the most difficult year for development of banking system of the Russian Federation. This article is dedicated to the research analysis of practical role of securitization as a mechanism and method used in management of the internal liquidity of a commercial bank. The relevance of this study is substantiated by the need to improve the mechanisms of financial risk management, which emerge in activity of credit institutions that experience a shortfall of internal liquidity of the assets. Methodological framework is comprised of the general scientific methods of cognition of economic phenomena, which allowed viewing the relevant tools of managing the liquidity of commercial banks and indicating most topical issues and barriers. The research is based on the combination of normative and positive analysis, principles of uniformity of historical and logical, as well as analytical approach towards studying the economic phenomena that reflect the contradictory nature of social processes. The article examines the relevant problems of formation of the internal liquidity of banking sector of the Russian Federation; as well as theoretical aspects of the concept of “liquidity” of a commercial bank. Description Is given to the mechanism of managing the liquidity of a commercial bank. The author considers the fundamentals and characteristic of securitization as a method of managing liquidity of a bank, and lists the advantages of using securitization in ensuring internal liquidity of banking activity. The benefits of securitization as a method of managing the liquidity of commercial banks in the Russian Federation are analyzed.

Abstract: This article explores the question of defining the utility function of an investor within the framework of solving of investor’s problem. Due to their characteristic features, the securities afford an opportunity to the financial market participants to implement various focus strategies in the area of investment management. The basic idea of investment decision-making implies the optimization of utility as a method for achieving the utmost possible utility within the existing budget. The final solution of optimization process is the conclusion on the content and volume of procured products and services at a particular price, and represents consumer choice. Due to popularity of portfolio investment, the analysis of approaches towards modeling of the investor’s preferences is of great practical and theoretical interest. Theoretical models for analyzing the investor’s preferences, namely the utility function, comprise the subject of this research. It is established that in the context of economic practice, from the investors’ perspective, application of the utility function tools is complicated and requires improvement, because is extremely difficult to interpret the interrelation of any securities with others, due to the reason that investment appeal of the assets is affected by an entire set of factors, and the question of their determination or comparison is yet insufficiently studied. Based on examination and critical approach to scientific works of the founders and successors of the portfolio theory, as well as their perception of the elements of the utility function, the author suggests ways for improving the considered approach.