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- Litins'ka, Yana, 1987-, et al.
(författare)
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Самоізоляція як протиепідеміологічний захід: захист чи порушення прав людини [Self-isolation as an Anti-epidemiological Measure: Protection or Violation of Human Rights]
- 2020
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Ingår i: Медичне право [Medical Law]. - Ukraine : Danylo Halytskyi Lviv National Medical University. - 2072-084X .- 2518-7724. ; 2:26, s. 49-66
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Tidskriftsartikel (refereegranskat)abstract
- In this article we review the legal regulation of an obligation to self-isolate in Ukraine. For the period from 22 April 2020 till 22 June 2020 four groups of persons were obliged to self-isolate due to COVID-19. These groups are: persons diagnosed with or suspected to have COVID-19, persons that have been in contact with those diagnosed with COVID-19, those who consented to self-isolation when entering Ukrainian borders instead of being placed in special facilities, and everyone aged 60 and above. In the article, we analyse whether an obligation to self-isolate should be viewed as interference with the right to liberty and security or with the freedom of movement for each of these groups. The analysis focuses on the Constitution of Ukraine and the European Convention for the Protection of Human Rights and Fundamental Freedoms. We also study circumstances when the above-mentioned rights can be limited lawfully in cases related to spread of infectious diseases, such as COVID-19. This article questions if the actions of Ukrainian government and existing legal regulation of obligatory self-isolation meet the requirements of lawful limitation of rights.
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- Drin, Bohdan, et al.
(författare)
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НЕЛІНІЙНА МОДЕЛЬ ПОВЕДІНКИ ДВОХ КОНКУРЕНТНИХ ФІРМ : [The Nonlinear Model of Behavior of Two Competitive Firms]
- 2021
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Ingår i: Bulletin of Chernivtsi Institute of Trade and Economics. - : Chernivtsi Institute of Trade and Economics of Kyiv National University of Trade and Economics. - 2414-5831 .- 2310-8185. ; 81:1, s. 115-128
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Tidskriftsartikel (refereegranskat)abstract
- The practical task of economics lies in applying the methods of substantiating its decisions. For economics, the main method is the modeling of economic phenomena and processes and, above all, mathematical modeling, which has been stipulated by the presence of stable MATHEMATICAL METHODS, MODELS AND INFORMATION TECHNOLOGIES IN ECONOMY Issue I (81), 2021 117 quantitative patterns and the possibility of a formalized description of many economic processes. The economic-mathematical model contains a system of equations of linear and nonlinear units that promote a mathematical description of economic processes and phenomena, consists of a set of variables and parameters and serves to study these processes and control them. Dynamic models of the economy describe it in development, as well as provide a detailed description of technological methods of production. Mathematical description of dynamic models is carried out with the use of a system of differential equations (in models with continuous time), difference equations (in models with discrete time), as well as systems of algebraic equations. It is important that the investigation of various economic issues has led to the development of the mathematical apparatus. In linear algebra, productive matrices are caused by the studies of intersectoral balance, whereas mathematical programming arose in the course of researching the optimal plan for the distribution of limited resources. In a similar way, there emerged the theory of economic indices and econometrics, the theory of production functions and the theory of consumption, the theory of general economic balance and social welfare, the theory of optimal economic growth. The paper under studies deals with the dynamic economic behavior of two competing objects, whose mathematical model is a nonlinear nonlocal problem for a system of ordinary differential equations with variable coefficients and argument deviation. The dynamic mathematical model is based on the assumption that the volume of output of both firms is determined by such factors on which output depends linearly. The model under discussion includes nonlinear factors, which describe the level of distrust of the competitors and depend on the time of observations and production volumes in previous moments, because the latter significantly affect the production activities of the firm. Such mathematical models are called time-delayed models.
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- Drin, Iryna, et al.
(författare)
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МАТЕМАТИЧНА МОДЕЛЬ ГЛОБАЛЬНОГО ЕКОНОМІЧНОГО ПРОЦЕСУ З НЕЛОКАЛЬНИМИ УМОВАМИ : [Mathematical model of global economic process with non-local conditions]
- 2018
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Ingår i: Bulletin of the Chernivtsi Trade and Economic Institute. - Chernivtsi : Chtei Knteu. - 2310-8185 .- 2414-5831. ; :1-2, s. 152-158
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Tidskriftsartikel (refereegranskat)abstract
- The essence of dynamic economic behavior of competing economic entities, which simulated nonlocal problem for systems of differential equations with variable coefficients is revealed. Developed a dynamic mathematical model assuming that total production is determined by the following factors: the number of products each side, changing certain equipment, which leads to changes in output, the degree of distrust of competitors, and assuming that the rate of change in output proportional to these factors. A partial case of such a model is the model of the arms race. The economic interpretation of nonlocal conditions is that the production volumes at different times governed by predetermined condition. A mathematical model designed to study the dynamics of the economic process of adjusting production volumes at different times.
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