This article examines the urgent problems of the development of transfrontier collaboration on the Ukrainian territory in the form of euro-regions and the national legislation on the development of transfrontier collaboration in Ukraine. The basic spheres of collaboration between the countries par-ticipating in the euro-regions are determined. Guidelines are proposed to solve the urgent develop-ment problems of the euro-regions on the Ukrainian territory

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The article has researched the legal and regulatory framework for strategic management of economical development of Ukrainian regions, and completed structuration and periodization of the legislative acts. That enabled to track down the process of establishment of legal and regulatory tools for strategic management of regional development and revealed shortcutting interfering with efficient functioning of the legal system on its current stage.
The above research has identified key issues in legal and regulatory framework for strategic management of economical development of Ukrainian regions and outlined a range of recommendations on its improvement. In the meantime the said research underpins more detailed scrutiny on methodological provision for strategic planning and monitoring the fulfillment of regional development strategies.

Keywords:strategic management, regional economic development, legislative base, legal and regulatory framework, strategy, strategy of regional development

The article presents the results of a medium-term forecast of the development of Ukraine’s seaports (USP) under pessimistic and optimistic scenarios. It is emphasized that this forecast is an important component of the Industry Development Strategy, as well as a basic element for the development of the Action Plan for the implementation of strategic medium-term development priorities in accordance with the long-term goals.
The author carried out a retrospective analysis of the volume of cargo transshipment in Ukrainian seaports, and of selected the indicators on which the forecast model is based, namely: Ukraine’s GDP and the volume of world sea freight. The macroeconomic medium-term forecast of Ukraine's GDP for the period up to 2024 was developed by the Institute for Economics and Forecasting of the National Academy of Sciences of Ukraine, and the forecast of the volumes of world sea freight was developed by the UN Conference on Trade and Development (UNCTAD).
Attention is focused on the fact that effective management of the development of seaports in Ukraine depends on the accuracy and reliability of medium-term forecasting. In addition, emphasis is placed on the need to study future trends in the seaports’ development, whose foundation is being laid today. For this purpose, the author highlights the economic factors influencing the dynamics of cargo handling in Ukrainian seaports, outlines the global trends influencing the development of global sea freight transportation and operation of seaports, and analyzes various current short-term and medium-term trends in sea freight transportation and functioning of seaports, in particular, in the context of the spread of COVID-19, which affect the seaports’ performance.
It is proved that the chosen statistical model of forecast calculation is accurate and reliable. The results quoted indicate that the volume of cargo transshipment in Ukrainian seaports for the period up to 2024 will grow in both optimistic and pessimistic scenarios. Emphasized the necessity of substantiation of the recommendations to the current Strategy of the Development of Ukrainian Seaports of Ukraine in view of modern tendencies of the industry’s development.

Keywords:seaports, forecast, strategic management, pessimistic scenario, optimistic scenario, cargo transshipment volumes, COVID-19

The article features results of the assessment of the multiplier effects for the national economy from the implementation of construction project of the first stage of production facility of the Dniester HPP for the period 2010-2019. For this purpose, macroeconomic statistics were processes, on whose basis an information system of primary and calculated indicators was created using the data from the project documentation, which became the basis for calculations. A methodological approach was developed to assess multiplier effects at the macroeconomic level using the input-output balance, which is reflected in the symmetrical "input-output" table. The authors highlight the main indicators, through which the impact of the implementation of the construction project of the Dniester HPP on Ukraine’s economy is manifested, and which allow assessing its socio-economic significance: the multiplier of the output growth of the economic activity "Construction" at the expense of project investments, the GVA multiplier for all economic activities from project investments, and the GDP multiplier (public expenditure multiplier). According to the implemented approach, multiplier effects for the economy are calculated via additional output growth, additional value added growth, and GDP growth on project investments.
Based on the obtained results, it is proved that: 1) the implementation of the construction project of the first stage of the production facility of the Dniester HPP had made it possible to accumulate a multiplier effect for Ukraine’s economy, confirming in practice the theory of multiplier effects and proving the efficiency of public capital investments; 2) to the greatest extent, the multiplier effect from the additional investment growth in this project is generated within the economic activity "Construction", which is explained by increased demand for domestically produced construction products.

Keywords:multiplier effect, multiplier, investments, input-output tables, input-output balance, infrastructure project