Homophily in Southeast Asian University collaborations: evaluating internationalization and collaboration through bibliometric collaboration data

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Bayu Indra Pratama, Adi Wijaya, Budi Hermawan, Baharudin Baharuddin, Purwoko, Eka Yuda Gunawibawa, Naufal Farras Alfattahu, Rakha Hafish Setiawan, Amira Oribia Wanda Sasmita, M. Rizki Pratama

2025 Cogent Education Vol. 12 Issue 1 Article Cited by 1 Quartile

Abstract

This study investigates the influence of homophily rooted in institutional rankings on the structure and dynamics of international research collaboration networks among Southeast Asian universities and examines its implications for regional academic stratification and inequality. Utilizing bibliometric data from 175 universities certified by the ASEAN University Network, we employed social network analysis (SNA) to map collaboration patterns using centrality metrics (eigenvector, betweenness, closeness, and degree) and clique analysis. Our findings reveal a pronounced ‘rich-get-richer’ dynamic, in which top-ranked institutions, predominantly from Malaysia and Singapore, dominate collaboration networks, controlling 75.69% of the connections. Elite universities, such as Universiti Malaya (eigenvector centrality: 0.989) and the National University of Singapore (degree centrality: 0.224), function as structural brokers, reinforcing exclusivity and marginalizing lower-ranked institutions. Conversely, despite their numerical predominance, Indonesian universities exhibit a fragmented influence, whereas those in Cambodia, Laos, and Myanmar remain peripheral with near-zero centrality metrics. Clique analysis further underscores regional fragmentation, with large collaborative clusters (≥21) dominated by Indonesian institutions, reflecting inward-oriented networks. This study identifies a stark core-periphery divide exacerbated by preferential attachment mechanisms and resource disparities that perpetuate academic inequality. These findings challenge the presumed egalitarian benefits of internationalization, highlighting how institutional ranking homophily entrenches stratification. © 2025 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

Affiliations

Department of Library and Information Science, Universitas Brawijaya, Malang, Indonesia; Department of Health Information Management, Universitas Indonesia Maju, Jakarta, Indonesia; Department of Management, Universitas Kristen Krida Wacana, Jakarta, Indonesia; Department of Biomedical Science, Universitas Surabaya, Surabaya, Indonesia; Faculty of Engineering, Universitas Gadjah Mada, Yogyakarta, Indonesia; Department of Communication Science, Universitas Lampung, Bandar Lampung, Indonesia; Department of Business Administration, Universitas Brawijaya, Malang, Indonesia; PT Node Solusi Indonesia, Jakarta, Indonesia; Sunan Ampel State Islamic University Library, Surabaya, Indonesia; Department of Public Administration, Universitas Brawijaya, Malang, Indonesia