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Mapping socio-environmental policy integration in the European Union: A multilayer network approach

Author

Listed:
  • Roy Cerqueti

    (GRANEM - Groupe de Recherche Angevin en Economie et Management - UA - Université d'Angers - Institut Agro Rennes Angers - Institut Agro - Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement, UNIROMA - Università degli Studi di Roma "La Sapienza" = Sapienza University [Rome])

  • Giovanna Ferraro

    (Università degli Studi di Roma Tor Vergata [Roma, Italia] = University of Rome Tor Vergata [Rome, Italy] = Université de Rome Tor Vergata [Rome, Italie])

  • Raffaele Mattera

    (UNIROMA - Università degli Studi di Roma "La Sapienza" = Sapienza University [Rome])

  • Saverio Storani

    (GRANEM - Groupe de Recherche Angevin en Economie et Management - UA - Université d'Angers - Institut Agro Rennes Angers - Institut Agro - Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement, UNIROMA - Università degli Studi di Roma "La Sapienza" = Sapienza University [Rome])

Abstract

This paper faces the relevant task of assessing the integration of European countries when dealing with three paradigmatic socio-environmental themes: Circular Economy (CE), Energy Transition (ET), and Social Justice (SJ). Specifically, we aim to explore whether a similar behavior in facing one of the considered aspects is mirrored by similarity in the others. We move from a dataset composed of five variables for CE, two for ET, and three for SJ, representing yearly data for the quinquennium 2016-2020 and European countries. We build a multilayer network based on the ten variables having countries as nodes. Each layer/variable has weighted links based on countries' similarity. Inter-layer links are created through a community detection exercise over the individual layers. This approach allows us to evaluate analogies, leading to the assessment of intra-and inter-layer policy integration. We find a relatively low level of integration at the European level and a high sensitivity to the number of detected communities, thus revealing the role of countries' heterogeneity in driving integration.

Suggested Citation

  • Roy Cerqueti & Giovanna Ferraro & Raffaele Mattera & Saverio Storani, 2025. "Mapping socio-environmental policy integration in the European Union: A multilayer network approach," Post-Print hal-05109264, HAL.
    • Handle: RePEc:hal:journl:hal-05109264
    DOI: 10.1016/j.jclepro.2025.144792
    Note: View the original document on HAL open archive server: https://univ-angers.hal.science/hal-05109264v1
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