Agglomerative Forces and Cluster Shapes

55 Pages Posted: 16 Dec 2010 Last revised: 5 Dec 2012

See all articles by William Kerr

William Kerr

Harvard University - Entrepreneurial Management Unit

Scott Duke Kominers

Harvard University

Multiple version iconThere are 3 versions of this paper

Date Written: November 30, 2012

Abstract

We model spatial clusters of similar firms. Our model highlights how agglomerative forces lead to localized, individual connections among firms, while interaction costs generate a defined distance over which attraction forces operate. Overlapping firm interactions yield agglomeration clusters that are much larger than the underlying agglomerative forces themselves. Empirically, we demonstrate that our model’s assumptions are present in the structure of technology and labor flows within Silicon Valley and its surrounding areas. Our model further identifies how the lengths over which agglomerative forces operate influence the shapes and sizes of industrial clusters; we con.rm these predictions using variations across patent technology clusters.

Keywords: Agglomeration, Clusters, Networks, Industrial Organization, Silicon Valley, Entrepreneurship, Technology Flows, Patents.

JEL Classification: J2, J6, L1, L2, L6, O3, R1, R3

Suggested Citation

Kerr, William R. and Kominers, Scott Duke, Agglomerative Forces and Cluster Shapes (November 30, 2012). Harvard Business School Entrepreneurial Management Working Paper No. 11-061. Available at SSRN: https://ssrn.com/abstract=1726427 or http://dx.doi.org/10.2139/ssrn.1726427

William R. Kerr (Contact Author)

Harvard University - Entrepreneurial Management Unit ( email )

Soldiers Field Road
Morgan 270C
Boston, MA 02163
United States

Scott Duke Kominers

Harvard University ( email )

Rock Center
Harvard Business School
Boston, MA 02163
United States

HOME PAGE: http://www.scottkom.com/

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