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The influence of structural balance and homophily/heterophobia on the adjustment of random complete signed networks

Deng, Hongzhong, Abell, Peter, Engel, Ofer, Wu, Jun and Tan, Yuejin (2016) The influence of structural balance and homophily/heterophobia on the adjustment of random complete signed networks. Social Networks, 44. pp. 190-201. ISSN 0378-8733

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Identification Number: 10.1016/j.socnet.2015.08.005

Abstract

Inconsistencies in the empirical support for balance theory are often explained by recourse to competing mechanisms that reduce the total degree of balance in the network. These mechanisms (such as differential popularity and subgroup hostility) may depend on exogenous properties of the nodes. This paper offers an alternative explanation for the departure of networks from global balance, according to which the myopic nature of sign adjustment in accordance with a pressure for local balance may reduce the global degree of balance and impede the formation of groups, whereas competing mechanisms that rely on exogenous node properties (e.g., homophily) facilitate these processes. The paper describes a set of simulations designed to study the evolution of complete signed networks under a local sign-change regime, induced by structural balance, homophily and heterophobia. Tolerance for local violation of balance and homophily is allowed to vary with a consequent impact upon the global degree of balance and group formation processes. We find the conditions under which the pressure towards local homophily and balance operate against each other culminating in a (locally) dynamic yet (globally) stationary state in which homophily adjusts towards group formation and balance undermines this process.

Item Type: Article
Official URL: http://www.journals.elsevier.com/social-networks
Additional Information: © 2015 Elsevier B.V.
Divisions: Management
Centre for Analysis of Time Series
Subjects: H Social Sciences > H Social Sciences (General)
Sets: Departments > Management
Research centres and groups > Centre for the Analysis of Time Series (CATS)
Date Deposited: 18 Dec 2015 14:04
Last Modified: 20 May 2019 02:01
URI: http://eprints.lse.ac.uk/id/eprint/64762

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