Allouch, Nizar, Bhattacharya, Jayeeta (2025) The Key Class in Networks. European Economic Review, 172 . Article Number 104950. ISSN 0014-2921. (doi:10.1016/j.euroecorev.2025.104950) (KAR id:108396)
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Official URL: https://doi.org/10.1016/j.euroecorev.2025.104950 |
Abstract
This paper examines optimal targeting of multiple network players from a new perspective, focusing on classes of players holding similar network positions – and thus fulfilling similar network roles – as captured by the graph theoretic notion of equitable partition. Unlike existing centrality measures, we show that analysing the network game with local payoff complementarities under symmetry brings out new insights about the relative influence of classes of similarly positioned network players on the Nash equilibrium activity. Our analysis introduces two novel class-based centrality measures with broad theoretical and empirical applicability that geometrically characterize the key class whose removal results in the maximal reduction of aggregate and per-capita network activity, respectively.
Item Type: | Article |
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DOI/Identification number: | 10.1016/j.euroecorev.2025.104950 |
Uncontrolled keywords: | Social and economic networks; Network games; Equitable partition; Centrality measures; Network symmetry |
Subjects: |
H Social Sciences H Social Sciences > HB Economic Theory |
Divisions: | Divisions > Division of Human and Social Sciences > School of Economics |
Funders: | University of Kent (https://ror.org/00xkeyj56) |
SWORD Depositor: | JISC Publications Router |
Depositing User: | JISC Publications Router |
Date Deposited: | 22 Jan 2025 16:21 UTC |
Last Modified: | 07 Feb 2025 15:36 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/108396 (The current URI for this page, for reference purposes) |
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