The paper deals with the study of international flows of goods and services, modeling of the structure of trade relations between countries. The rapid development of international economic relations and the formation of various integration associations encourage the identification of structural links and their reformatting due to the influence of destabilizing factors. The study is based on one of the methods of cluster analysis, namely the method of construction of minimum spanning trees. The article analyzes the dynamics of European Union volumes for the period from 2000 to 2018. The influence of such factors as the integration of new member countries and the world financial crises on the structure of trade relations is substantiated. Changes in the structure of relations between the EU countries due to the influence of these factors are modeled. It is noted that there is a reformatting of links, especially in times of crisis, minimal spanning trees have more orderly structure. This can be used as an indicator of crisis phenomena. In addition, it has been proven that the accession of new member states to the EU leads to changes in the structure of trade relations that can be both positive and negative. The study has an applied nature and can be used in the future as a methodological basis for the development of effective mechanisms for reformatting trade relations between countries in the context of geo-economic transformations and global financial crises.

The article presents the research findings received throughout the study in the general secondary educational institutions in Ukraine. The processes of creation, receipt, processing and submission of information to the end consumer are substantiated and practically verified, namely, the system of information quality assurance of education quality management in the general educational institution is methodologically substantiated. Questionnaires were developed and conducted for GEI executives and administrative and management staff who are the part of the methodology for studying the state of the informational support for the quality management of education at GEI. It is established that not only the knowledge of the external information content, which is necessary for the implementation of the cycle of the educational quality management in the educational institution, but also the sources of its receipt and creation is of great importance for the heads of the general educational institutions.

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The practical manual was developed within the scientific topic "Methodological principles of innovative practices of scientific education in the regional network of the UNESCO Center" Small Academy of Sciences of Ukraine "" (State registration number 0120U100087). It is dedicated to the promotion of scientific education in Ukraine. The practical manual contains descriptions and passports of promising innovative practices of scientific education, developed and tested at the Small Academy of Sciences of Ukraine. Most attention is paid to educational practices that can be scaled both within the system of the Small Academy of Sciences of Ukraine and outside it, as well as internationally.