%0 Journal Article %T The economics of sustainable finance: a comparative analysis of regulatory models for green financial instruments in the jurisdictions of EU, USA, China, and Russia %A Kovtunenko, M.G. %A Kolomytsev, A.A. %A Bolgov, I.V. %K green bonds; sustainable finance taxonomy; regulatory maturity; ESG verification; institutional dysfunction %J JOURNAL OF REGIONAL AND INTERNATIONAL COMPETITIVENESS %D 2025 %N 6 %P 9 %I Yaroslavl State Technical University