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JEL Classification: Q16, M41, C88, D83, O33. DOI: https://doi.org/10.31521/modecon.V51(2025)-19 Naida Andrii, PhD (Economics), Associate Professor of the Department of Accounting and Taxation, Odesa State Agrarian University, Odesa, Ukraine ORCID ID: 0000-0002-6371-1382 e-mail: andrew.od2017@gmail.com Kryukova Irina, Doctor of Economics, Professor, Head of the Department of Accounting and Taxes, Odessa State Agrarian University, Odessa, Ukraine ORCID ID:Read more

JEL Classification: H21, H30, O33. DOI: https://doi.org/10.31521/modecon.V51(2025)-24 Sarana Lesya, Ph.D. in Economic Sciences, Associate Professor of the Finance Department, Private Higher Education Institution «Rauf Ablyazov East European University», Cherkasy, Ukraine ORCID ID: 0000-0003-0987-0064 e-mail: S__lesya@ukr.net Zanayev Oleksandr, applicant for the third (educational and scientific) level of higher education, Private Higher Education Institution «Rauf Ablyazov EastRead more

JEL Classification: L84, M16, M21 DOI: https://doi.org/10.31521/modecon.V51(2025)-02 Burkovska Anna, PhD (Economics), Associate Professor of the Department of Management, Business and Administration, Mykolayiv National Agrarian University, Mykolaiv, Ukraine ORCID ID: 0000-0003-0563-6967 e-mail: anna.burkovskaya12@gmail.com   Navigating Strategy: The Role of Management Consulting Firms in Global Business Abstract. Introduction. In the dynamic and rapidly evolving global economy, businesses areRead more

JEL Classification: M41 DOI: https://doi.org/10.31521/modecon.V48(2024)-05 Zamkova Iryna, Doctor of Economics, professor, professor of the Department of Food and Material Supply, Faculty of Training of Logistics Specialists, Military Academy, Odesa, Ukraine ORCID ID: 0000-0001-5172-3821 e-mail: iryna_zamkova@meta.ua Olekhnovych Victor, Colonel, Head of the Department of Food and Material Supply, Faculty of Training of Logistics Specialists, Military Academy,Read more

JEL Classification: R 40; R 42. DOI: https://doi.org/10.31521/modecon.V48(2024)-07 Ksandinov Nikos, Postgraduate student of the Economics and Finance Department, Odesa National Maritime University, Odesa, Ukraine ORCID ID: 0000-0002-1844-4836 e-mail: economics.and.finance.odessa@gmail.com   Classification of Investments in Port Infrastructure Abstract. Introduction. The port industry requires significant investments in infrastructure facilities, which are characterized by capital intensity and longRead more

JEL Classification: F10, F13. DOI: https://doi.org/10.31521/modecon.V48(2024)-06 Ishchuk Yuliia, PhD, Associate Professor, Associate Professor of the Department of International Economic Relations, Vasul’ Stus Donetsk National University, Vinnytsia, Ukraine ORCID ID: 0000-0002-4187-7816 e-mail: yu.ishuk@donnu.edu.ua Ohorodnyk Yelyzaveta, applicant higher education, Vasul’ Stus Donetsk National University, Vinnytsia, Ukraine ORCID ID: 0009-0009-8653-3126 e-mail: ohorodnyk_i@donnu.edu.ua   The Mechanism of the TariffRead more

JEL Classification: R31, L85, M31 DOI: https://doi.org/10.31521/modecon.V48(2024)-08 Makarova Viktoriia, Doctor of sciences (Economics), Professor of the Marketing and logistics Department, Sumy National Agrarian University, Sumy, Ukraine ORCID ID: 0000-0003-1076-9246 e-mail: victoria.makarova24@ukr.net Mushtai Valentyna, PhD, Associate professor of the Marketing and logistics Department, Sumy National Agrarian University, Sumy, Ukraine ORCID ID: 0000-0001-9042-0241 e-mail: vamushtai@gmail.com   MarketingRead more

JEL Classification: D210, G390, J280, L740 DOI: https://doi.org/10.31521/modecon.V48(2024)-09 Melnyk Larisa, PhD in Economics, Associate Professor, Associate Professor of the Department of Human Resources and Entrepreneurship The National University of Water and Environmental Engineering, Rivne, Ukraine ORCID ID: 0000-0003-1731-1860 e-mail: l.m.melnyk@nuwm.edu.ua Trofimchuk Serhii, graduate student of the third (educational and scientific) level of higher education ofRead more

JEL Classification: D83; O15; L86. DOI: https://doi.org/10.31521/modecon.V48(2024)-10 Melnyk Larisa, PhD in Economics, Associate Professor, Associate Professor of the Department of Human Resources and Entrepreneurship The National University of Water and Environmental Engineering, Rivne, Ukraine ORCID ID: 0000-0003-1731-1860 e-mail: l.m.melnyk@nuwm.edu.ua Trofimchuk Serhii, graduate student of the third (educational and scientific) level of higher education of theRead more

JEL Classification: G11; G17; C45; C61. DOI: https://doi.org/10.31521/modecon.V48(2024)-11 Молікевич Р.С., кандидат географічних наук, доцент, доцент кафедри географії та екології, Херсонський державний університет, м. Херсон, Україна ORCID ID: 0000-0002-6577-503X e-mail: molikevych@gmail.com   A Strategy for Building a Cryptocurrency Investment Portfolio Using Machine Learning Models Abstract. Introduction. This study uses machine learning models and optimization methods to presentRead more