Preface

Dear Readers, We are pleased to present the next issue of the Research Papers in Economics and Finance published by the University of Economics and Business in Poznan, Poland. We have selected five articles from different parts of Europe. This issue opens with a great paper, which received excellent reviews, written by Hubert Witczak, entitled “The systemic-praxeological approach to the methodology of primary scientific activity of the management science system”. The second paper entitled “International mobility of students in modern conditions of transformation in the global market of services (regional aspect)” has been written by two authors: Olena Bulatova and Оleg Zaikovskyfrom the Mariupol State University in Ukraine. The next paper concerns “The Belt and Road Initiative as a tool for promoting EU-China trade. Poland’s case”. This paper has been written by Alina Szypulewska-Porczyńska from the Warsaw School of Economics, Poland. The fourth paper has been created by three authors: Volodymyr Tkachenko from The London Academy of Science and Business, England, Iryna Tkachenko from the Academy of the State Penitentiary Service, Ukraine and Polina Puzyrova from the Kyiv National University of Technologies and Design, Ukraine. It concerns “Fundamentals of financial and economic security management of Ukrainian enterprises”. The whole issue ends with a great paper entitled “Examining market concentration levels of available global financial commodity products” which has been written by Subhakara Valluri from the Institute of Economics of the Polish Academy of Sciences, Poland.