Market Structure, Program Diversity, and Radio Audience Size

11 Pages Posted: 18 Aug 2012

See all articles by Robert P. Rogers

Robert P. Rogers

Ashland University

John Woodbury

Charles River Associates (CRA)

Date Written: January 1996


This paper examines the relationships among radio station listenership, the number of program formats, and the number of stations. These relationships are statistically significant and consistent with theory, but the interrelationships are numerically small. The results imply that proposals by the federal Communications Commission and Congress to relax ownership restrictions must induce substantial changes in station numbers in order to noticeably increase programming diversity. Merely modest changes in these numbers will have only small diversity effects. The paper's results also imply that merely mandating the number of formats in a market may not be in the interests of listeners.

Suggested Citation

Rogers, Robert P and Woodbury, John, Market Structure, Program Diversity, and Radio Audience Size (January 1996). Contemporary Economic Policy, Vol. 14, Issue 1, pp. 81-91, 1996, Available at SSRN: or

Robert P Rogers (Contact Author)

Ashland University ( email )

Ashland, OH 44805
United States

John Woodbury

Charles River Associates (CRA) ( email )

United States

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