Double agency and co-evolution for two-mode networks, with an application to corporate interlocks and firms’ environmental performance

IF 2.9 2区社会学 Q1 ANTHROPOLOGY

Social Networks Pub Date : 2025-06-21 DOI:10.1016/j.socnet.2025.05.008

Tom A.B. Snijders , Beata Łopaciuk-Gonczaryk

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Abstract

Three extensions of the Stochastic Actor-oriented Model for two-mode networks are proposed. The first represents tie changes based on agency for both node sets. The second is a model for selection and influence in co-evolution of two two-mode networks, where the first is a membership network which serves to represent connections between groups making choices of activities in the second network. The third consists of new effects for categorical nodal covariates, representing the heterogeneity between nodes that often occurs in two-mode networks. As an illustration, selection and influence processes are studied in the co-evolution of the director interlock network of a set of 141 large European companies and the two-mode network of environmental policies of these companies, for the period from 2018 to 2022. Similarity between environmental policies is expressed in two ways: endorsing the same policy items, and correlation between the number of items endorsed. The findings show that declared pro-environmental practices spread through directorate interlocks and directors’ selection is based on peer referral.

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双模式网络的双重代理和共同进化，以及对企业联锁和企业环境绩效的应用

提出了双模网络随机因子导向模型的三种扩展。第一个表示基于代理的两个节点集的变化。第二个模型是两个双模式网络共同进化中的选择和影响模型，其中第一个是成员网络，用于表示在第二个网络中选择活动的群体之间的联系。第三种是对分类节点协变量的新效应，代表双模式网络中经常出现的节点之间的异质性。为了说明这一点，我们研究了2018年至2022年期间141家大型欧洲公司的董事联锁网络和这些公司的双模式环境政策网络的共同演化过程。环境政策之间的相似性表现为两种方式：认可相同的政策项目，以及认可项目数量之间的相关性。研究结果表明，公开的环保实践通过董事会连锁传播，董事的选择基于同行推荐。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Social Networks Multiple-

CiteScore

5.90

自引率

12.90%

发文量

118

期刊介绍： Social Networks is an interdisciplinary and international quarterly. It provides a common forum for representatives of anthropology, sociology, history, social psychology, political science, human geography, biology, economics, communications science and other disciplines who share an interest in the study of the empirical structure of social relations and associations that may be expressed in network form. It publishes both theoretical and substantive papers. Critical reviews of major theoretical or methodological approaches using the notion of networks in the analysis of social behaviour are also included, as are reviews of recent books dealing with social networks and social structure.