The Role of Network Characteristics, Knowledge Quality, and Inertia on the Evolution of Scientific Networks

Journal of Management, DOI: 10.1177/0149206312453739

Posted: 9 Sep 2012

See all articles by Irem Demirkan

Irem Demirkan

Sawyer School of Business

David L. Deeds

University of St. Thomas - Opus College of Business; Case Western Reserve University - Department of Marketing and Policy Studies

Sebahattin Demirkan

University of Maryland

Date Written: August 2, 2012

Abstract

Despite decades of network research, the crucial question, “How do networks evolve?” has not been sufficiently explored. The authors explore this question by analyzing the co-authorship networks in the U.S. biotechnology firms. Building on network management and network inertia perspectives, the authors build a model predicting that the structural changes in the firms’ coauthorship networks are dependent on the specific characteristics of firms’ initial networks, the firm’s age and size. The authors then extend the model by incorporating a measure of the impact of the quality of the knowledge produced by the network ties using the prominence and inertia perspectives, which lead to the incorporation of competing hypotheses and moderating relationships in the model of scientific network evolution. The authors then test the model using longitudinal analysis of 367 U.S. biotechnology firms over a span of 17 years. The authors find that firms’ existing tie-specific characteristics in the form of a firm’s existing network size, tie strength, and the knowledge quality are significant determinants of network evolution, but that this influence is tempered by organizational inertia.

Keywords: network dynamics, network evolution, co-authorship networks, biotechnology industry, longitudinal analysis

Suggested Citation

Demirkan, Irem and Deeds, David L. and Demirkan, Sebahattin, The Role of Network Characteristics, Knowledge Quality, and Inertia on the Evolution of Scientific Networks (August 2, 2012). Journal of Management, DOI: 10.1177/0149206312453739, Available at SSRN: https://ssrn.com/abstract=2143795

Irem Demirkan (Contact Author)

Sawyer School of Business ( email )

Boston, MA 02108
United States
617-305-1799 (Phone)

David L. Deeds

University of St. Thomas - Opus College of Business ( email )

1000 LaSalle Avenue
TMH 443
Minneapolis, MN 55403
United States

Case Western Reserve University - Department of Marketing and Policy Studies ( email )

Cleveland, OH 44106
United States

Sebahattin Demirkan

University of Maryland ( email )

College Park
College Park, MD 20742
United States

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