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Authors
Loupas, Marios Athanasios https://orcid.org/0009-0003-9465-4733
Athanasakis, Kostas https://orcid.org/0000-0002-1024-3802
Zavras, Dimitris https://orcid.org/0000-0001-6165-3409
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Article History
Received: 24 January 2025
Accepted: 31 August 2025
First Online: 17 September 2025
Declarations
:
: None.
: Not applicable.
: Not applicable.
: Not applicable.
: All data used are publicly available in international sources, such as the World Bank, Eurostat, and OECD databases.
: Not applicable.
: M.A.L. and D.Z. were responsible for the concept and design of the study. M.A.L. executed the research and data extraction. D.Z. undertook a quality check of 100% of the extracted references, and K.A. undertook a 20% quality check. M.A.L. prepared the first version of the manuscript, and D.Z. and K.A. reviewed the final manuscript.
