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Keyword: Herfindahl-Hirschman index
2026 №2 (94) Mykhailyshyn L. I., Hrynchutskyi V. I., Zakharova O. V. Geopolitical risk as a factor of supply chain transformation: analysis of Central and Eastern European countries
ECONOMICS AND INTERNATIONAL ECONOMIC RELATIONS
2013 №1 (41) Fyliuk V. Market concentration at Ukrainian telecommunication market: current situation and regulation problems
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