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State regulation of economic activity of the countries of the world in the field of electricity: experience and prospects
(Global Scientific Trends, 2024) Bilotserkivskyi, Oleksandr ; Sosnov, Ihor
The article is devoted to researching of the experience and prospectsof state regulation of economic activity of the countries of the world in the field of electricity. The authors show that the leading state body responsible for the processes of development and coordination of foreign economic activity in the field of electric power in the countries of the European Union at the current stage is the General Directorate for Energy. In most countries of the European Union, the functions ofelectricity transmission and management of power system regimes are organizationally united and implemented through system operators, which are currently united within the European network of transmission system operators for electricity (ENTSO-E), which performs the functions of planning and coordinating the functioning of energy systems operating in parallel, at the pan-European level. The authors conclude that in Europe and America, the “Single Buyer” model and the model “Liberalized “Single Buyer” are used. In China, the electricity market functions according to the “Single Buyer” model. In India, at the current stage, the “Model of Regulated Access to Power Transmission Networks” is used. In Brazil and South Korea, the presence of the electricity pool model is observed. The authors note that, according to forecasts of the International Energy Agency, by 2035, slightly more than 30% of the world's electricity will be produced from renewable energy sources. EU countries are recognized as the main leaders in the development of renewable energy sources.
Dynamics of the relationship between the main stock indices in the context of changes in external factors
(Center for Tech and Media Research, 2024-03) Sosnov, Ihor; Savchenko, Roman; Mehyar, Samer
Economic development presupposes the sustainable functioning of all structural elements, among which due attention is given to the stock market. This market allows us to understand the dynamics of the supply/demand relationship, redistribute resources between various business entities, and act as a platform for investment. To implement such tasks, an analysis of the dynamics of quotes for the corresponding shares or their group, which make up various stock indices, is used. Based on this, the work analyzed the dynamics of quotes for the main stock indices. For these purposes, the features of each of the considered indices are considered separately. The paper also provides an assessment of the mutual dynamics for some pairs of major stock indices. This analysis is made on the basis of constructing estimates of wavelet coherence. This approach allows us to justify possible investment strategies and the timing of entry into the corresponding segment of the stock market. The results of the study are presented in the form of graphs and diagrams. This helps to understand the progress of the study and evaluate the results obtained.
Model of the Relationship Between ETFs of Individual European Countries: Austria, Belgium, Denmark, Croatia, Hungary
(2023) Prokopovych, Svitlana; Sosnov, Ihor; Lyashenko, Vyacheslav
The development of the economy is associated with the continuity of the investment process on an ongoing basis. Raising funds is possible through bank lending or through the securities market. We consider investments that are received in the stock market. For these purposes, as a rule, ETF funds are used. This allows you to diversify the source of borrowing and reduce risks. But at the same time, one should pay attention to the markets where such funds operate. Each regional market has its own specifics, factors that determine the characteristics of securities trading. You should also take into account the relationship between such structural units of the overall investment process. For the analysis, we use descriptive statistics that help to understand the current trends for investing in the market. We also use wavelet coherence, which is the basis for modeling relationships. This is necessary in order to assess the impact of different segments of the ETF market. The paper considers such countries as Austria, Belgium, Denmark, Croatia, Hungary. The results obtained allow: to evaluate investment decisions, choosing an effective strategy. Many figures and diagrams are presented in the work to understand the results.
Problem-Oriented Model in Technical Specialized Applications of Transport Systems Management
(2022) Sosnov, Ihor; Serhiienko, Olena; Shapran, Yevhen; Bilotserkivskyi, Oleksandr; Ippolitova, Inna

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