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C osts , I nstitutional M obility B arriers, and M arket S tructure : A dvertising A gencies as M ultiproduct F irms

C osts , I nstitutional M obility B arriers, and M arket S tructure : A dvertising A gencies as M... What accounts for the diversity and limited concentration that has long characterized the organization of the advertising agency industry? This question is addressed by treating an advertising agency as a multiproduct firm. The firm's product line or service mix is defined in terms of the set of different media categories where an agency places the advertising messages that it creates on behalf of its clients. Evidence is presented indicating that the structure of demand and costs in the advertising agency industry conforms to the conditions that MacDonald and Slivinski showed were required for an industry to sustain an equilibrium with diversified firms. Building on this framework, we formulate a set of three hypotheses relating to the realization of product‐specific scale and scope economies. The first two hypotheses posit that given low fixed costs and minimal entry barriers, both media‐specific scale and scope economies are available and can be exploited by relatively small‐size agencies. The third hypothesis suggests that large agencies may experience diseconomies of scope as a consequence of excessive diversification induced by two pervasive industry institutional phenomena: (1) “bundling” of agency services to match client demand for a mix of media advertising, and (2) “conflict policy,” which prohibits an agency from serving competing accounts and operates as a mobility constraint. Utilizing a multiproduct cost function, we estimate media‐specific scale and scope economies for a cross section of 401 U.S. agencies in 1987. The results obtained support the set of three hypotheses outlined above. The paper concludes with a discussion of the implications of these findings for the restructuring currently underway in this industry. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Economics & Management Strategy Wiley

C osts , I nstitutional M obility B arriers, and M arket S tructure : A dvertising A gencies as M ultiproduct F irms

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References (73)

Publisher
Wiley
Copyright
Copyright © 1994 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1058-6407
eISSN
1530-9134
DOI
10.1111/j.1430-9134.1994.00437.x
Publisher site
See Article on Publisher Site

Abstract

What accounts for the diversity and limited concentration that has long characterized the organization of the advertising agency industry? This question is addressed by treating an advertising agency as a multiproduct firm. The firm's product line or service mix is defined in terms of the set of different media categories where an agency places the advertising messages that it creates on behalf of its clients. Evidence is presented indicating that the structure of demand and costs in the advertising agency industry conforms to the conditions that MacDonald and Slivinski showed were required for an industry to sustain an equilibrium with diversified firms. Building on this framework, we formulate a set of three hypotheses relating to the realization of product‐specific scale and scope economies. The first two hypotheses posit that given low fixed costs and minimal entry barriers, both media‐specific scale and scope economies are available and can be exploited by relatively small‐size agencies. The third hypothesis suggests that large agencies may experience diseconomies of scope as a consequence of excessive diversification induced by two pervasive industry institutional phenomena: (1) “bundling” of agency services to match client demand for a mix of media advertising, and (2) “conflict policy,” which prohibits an agency from serving competing accounts and operates as a mobility constraint. Utilizing a multiproduct cost function, we estimate media‐specific scale and scope economies for a cross section of 401 U.S. agencies in 1987. The results obtained support the set of three hypotheses outlined above. The paper concludes with a discussion of the implications of these findings for the restructuring currently underway in this industry.

Journal

Journal of Economics & Management StrategyWiley

Published: Sep 1, 1994

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