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CONNECTIONS - INSNA

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<strong>CONNECTIONS</strong><br />

Structural Redundancy and Multiplicity in Corporate Networks<br />

Roy Barnes<br />

Department of Sociology, Anthropology & Criminal Justice<br />

University of Michigan-Flint<br />

Tracy Burkett<br />

Department of Sociology & Anthropology<br />

College of Charleston<br />

Abstract<br />

This research presents an intuitive and straight forward method of capturing both structural redundancy and the<br />

multiplicity of social ties in a small network of 20 corporate directors across four different social spheres in 1962.<br />

Structural redundancy is best thought of as the opposite of a unique tie which emerges in a network of interlocking<br />

corporate directors once the affiliations from other non-corporate organizations are included. Unlike the analysis of<br />

structural redundancy, the multiplicity of ties recognizes that the number and the configuration of ties between a<br />

given pair of directors are both meaningful. By utilizing these concepts, the paper shows how social club ties in<br />

1962 were especially important in adding unique (i.e., non-redundant) ties among the corporate directors. The<br />

analysis of multiplicity reveals that over 60 percent of the directors had multiple ties and that 56 percent of the<br />

directors possessed ties stemming from two or more different types of social affiliations. These results underscore<br />

that there is more to the social cohesion among corporate directors than interlocks alone.<br />

Authors<br />

Roy Barnes has a Ph.D. in Sociology from the University of Wisconsin-Madison, and is an Associate Professor of<br />

Sociology and serves as the Assistant Dean of the College of Arts and Sciences at the University of Michigan-Flint.<br />

His research interests are in power structure research, interlocking directorates and network analyses.<br />

Tracy Burkett has a Ph.D. in Sociology from the University of South Carolina, and is an Associate Professor of<br />

Sociology and Director of the Undergraduate Environmental Studies Program at the College of Charleston. Her<br />

research interests include political networks, sustainable community structures, and environmental justice.<br />

Notes<br />

An earlier version of this paper was presented at the Annual Congress of Humanities and Social Sciences, Society<br />

for Socialist Studies, 3 June 2010, The Political Economy of Corporate Power. The authors would like to thank<br />

Wouter de Nooy and Eelke Hemskerk for their helpful comments on an earlier version of this paper. We also<br />

remain grateful for the constructive comments provided by Connections in response to our initial submission.<br />

Please address correspondence to Dr Roy Barnes, The University of Michigan-Flint, 522 French Hall , Flint,<br />

Michigan 48502; Email: rcbarnes@umflint.edu<br />

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