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The study of consumer choice is an important classical research task for various markets for goods and services. This fully applies to new products and devices for household, personal monitoring, and self-monitoring of health status. In the last decade, a few such products have appeared and have become available to a wide range of buyers, in particular, fitness trackers and smartwatches of various manufacturers, brands, and models. It has become quite difficult for the buyer and the user to compare and choose a specific one. Therefore, the purpose of the work was to study the market of fitness trackers and smartwatches, determine the main criteria for their comparison by the consumer, and apply multi-criteria approaches for their assessment and selection, both by buyers and by sellers themselves, their sales specialists. The research methods used were consumer surveys, market systems analysis, multicriteria computer modeling. The proposed and described approach makes it possible to obtain computationally substantiated, objective numerical estimates for special fitness monitoring device, selected for compare consideration. Thus, it is possible to provide information support for consumer choice, as well as to carry out a comparative analysis of the range of products offered by their sellers themselves.

Introduction. Today, the Ukrainian economy is in a recession. Therefore, the need for government intervention in the socio-economic development of the economy is relevant. This measure is designed to stabilize the activities of economic agents that can produce innovations and improve the quality and standard of living of the Ukrainian population. This activity requires coherent coordination of economic entities on issues of capital accumulation. The purpose of the research is to analyse the tools used by the state for the regulation of fixed capital reproduction. In carrying out the study, methods of retrospective analysis, generalization, comparison, and content analysis were used. Results. The result of the study is the reproduction ways development of fixed capital. The proposed list of state regulation instruments, which is aimed at accelerating the investment development of the Ukrainian economy, should be considered as the scientific novelty. Only in this case is it possible to renew production capital. The practical significance of the research results lies in their possible use in the formation of the state amortization policy. Prospects for further research are the development of depreciation policies for the economy sectors and the creation of reserves for innovative development. Stimulating the modernization process will increase the share of new capacities, which, respectively, will lead to an increase in their use and to an increase in the efficiency of domestic industrial production. Conclusions. A radical renewal of the production potential of Ukraine is possible only if the following conditions are met: a consistent state policy to improve the investment climate, reduce investment risks, create stable conditions for economic and investment activity, strengthen the investment potential of modern domestic enterprises and accelerate the investment development of the Ukrainian economy. Keywords: depreciation policy, investment development, fixed capital, state regulation, reproduction.