The purpose of the article is to study the peculiarities of the management of foreign economic activity of enterprises in current conditions of sustainable development. To achieve the goal of the article, in the study, the following scientific methods are used, namely: analysis and synthesis - to determine approaches to understanding the concept of foreign economic activity and levels of its implementation; statistical - to form the indicators that characterize the state of foreign economic activity in Ukraine; grouping - to obtain groups of regions according to the level of foreign trade turnover; cartographic - to visualize the received groups of regions on the indicators of foreign economic activity; graphic - to visualize the system of foreign economic activity in terms of the need to achieve the stability of regions, enterprises as a leading subject of foreign economic activity and the peculiarities of foreign economic activity of the enterprise in modern conditions. Within the article, the factors of external and internal environment, on which depends the effectiveness of foreign economic activity, are considered. The systems of management of foreign economic activity of the enterprise are studied and characterized. Trends of the development and current state of foreign economic activity in the regions of Ukraine are studied. The grouping of the regions of Ukraine according to the activity of conducting foreign economic activity was carried out, with the separation of the leading and the outsider regions. According to the results of the research, the peculiarities of foreign economic activity of enterprises in modern conditions are identified and outlined, among which the following are singled out: spread of integration processes, structural transformations of the international division of labor, strengthening the role of the state in joining the world economic system.

Methodical approaches to the analysis of the efficiency of fixed assets use in building organizations on the basis of economic-mathematical models are offered. The sequence of calculations of analytical indicators of the main means of resources, which allows to obtain a reliable assessment of their effectiveness, is developed. The composition of factors and reserves for increasing the efficiency of the fixed assets use is revealed and specified, that will enable to raise the return on assets and profitability of building organizations fixed assets.

Introduction. When solving optimal tasks at the stage of technical and economic planning, it is necessary to establish an optimality criterion, which is mathematically written as an objective function. Minimization of the duration of the project works during its implementation within the time limit set by the investor is such a criterion in the formulation of our task. By limitations of the model, we understand such conditions, which are expressed in the limitation of resources both quantitatively and qualitatively: hence the problem of their saving, the best distribution, and effective use arises.Goal consists in the theoretical and methodological substantiation of the concept of managing the effectiveness of investment planning with the use of economic and mathematical modelingResearch methods. In the research process, general scientific and special methods of cognition were used: analysis and synthesis, theoretical generalization and formal logic, system approach, classification, statistical analysis, functional-value analysis, generalization, observation, mathematical statistics, simulation and network modeling, specification, technical and economic calculationsResults. It was found that with the help of the proposed technology «Flow» it is possible to determine: the calendar schedule of works for the optimal version of the project implementation; the calendar dates of the start and end of critical works, on which the duration of the entire project depends; actual project implementation costs. The value of the objective function shows what additional costs are necessary for the implementation of the investment project in a given period. It has been proven that the «Flow» technology allows you to determine the value of the model and, in our opinion, demonstrates the improvement of the existing solution to the tasks of project implementation within the given time and ensures the compatibility and unity of information support, and therefore allows you to receive more reliable data. The main advantages of the proposed method were evaluated: availability of raw data; a calculation algorithm that is understandable to any project participant; clarity of results; connection in a single model of the economic interests of the main participants of the project.Perspectives. Further research should be aimed at carrying out a continuous process of qualitative and quantitative assessment of the effectiveness of the project management information system and the need to create a special organizational unit - a strategic committee, which will allow the creation of mechanisms for effective management of investment projects of the territorial community, to achieve its strategic goals, and will also contribute to the implementation of strategies due to the consistent actions of the community investment development management staff.

Introduction. The expansion of the areas of enterprise activity contributed to the formation of a new concept of management, which was called project management. The necessity and expediency of the development of this direction of the company’s activity as project management is caused by the growth of the scale and complexity of projects, the strengthening of requirements for the terms of their development, implementation and implementation, optimization of the use of material, financial and human resources, the quality of work and final results.Goal. Сonsists in the theoretical-methodical substantiation of the concept of investment design and assessment of the factors of formation of the economic efficiency of projects at the enterprise.Research methods. In the research process, general scientific and special methods of cognition were used: analysis and synthesis, theoretical generalization and formal logic, system approach, classification, statistical analysis, generalization, observation, mathematical statistics, modeling, specification, technical and economic calculations.Results. It has been found that the real organizational and technological norms of work performance determine the discrete nature of the «time-cost» dependence. It has been proven that the minimum amount of funding is achieved when all project works are performed with the minimum duration (maximum intensity) at certain stages. It is estimated that the performance of works that ensure the minimum amount of funding corresponds to the minimum term of the project. These results form the basis of the proposed methodology that maximizes investment efficiency.Perspectives. The perspective is seen in the spread of the design concept at the stage of calendar planning, where there is a need to optimize the estimated production terms, which will act as a significant lever for increasing the intensity of the execution of individual works, which are accompanied by their increase in cost at various stages of the execution of works, taking into account risk and uncertainty factors.

Introduction. Housing innovation and investment projects can be characterized as projects that, with relatively small investments, can create competitive products, real increase in investment potential and investment resources of a construction organization. In modern conditions it is also necessary to strive to ensure that the implementation of innovative projects aimed at improving the economic efficiency of construction does not lead to a decrease in the quality of construction products (reliability of structures, attractiveness of architectural and structural solutions of buildings). Regardless of the direction of movement in business, the leaders of construction organizations, in the presence of interest in the development of the company inevitably come to understand the need for improvement and development of methods of managing innovative projects. This contributes to the formation of an effective corporate system of management of construction projects, adequate to the conditions prevailing in the domestic market of construction services and takes into account the peculiarities and specificity of a particular region. It should be noted that if at the level of departments (IT-orientation), or certain types of projects (for example, research and development) project management methodology is used very actively in the construction industry, then at the level of program and project portfolio management, determining their priorities, portfolio balancing etc. theoretical and practical research is not enough. The purpose. The purpose of the study is to develop theoretical provisions for managing the implementation of innovation and investment projects in housing. Results. The peculiarities of the management of innovation-investment projects in housing construction in the management of several projects are revealed. The complexity in planning and organization of interaction of various subjects (participants) of innovation-investment projects is determined. It is suggested to take into account the degree of risk in the process of implementation of innovation-investment projects. The factors influencing the effectiveness of innovation investment projects have been clarified. The directions of development of the structure of the corporate system of management and state regulation of the innovation-investment sphere of housing construction are determined. Discussion. Prospects for further research are to develop a methodology for forming an information complex of corporate project portfolio management system, which includes a set of normative documents, as well as a set of tools and methods for managing innovative projects that ensure the effective implementation of different projects of the organization under the same rules at different stages of their life cycle, allowing to improve project management system, to extend the managed range of the project lifecycle, to increase the level of integration and specialization of the Management Center.