On Commercial Media Bias
Universitat Pompeu Fabra - Department of Economics and Business
December 15, 2008
Within the spokes model of Chen and Riordan (2007) that allows for non-localized competition among arbitrary numbers of media outlets, we quantify the effect of concentration of ownership on quality and bias of media content. A main result shows that too few commercial outlets, or better, too few separate owners of commercial outlets can lead to substantial bias in equilibrium. Increasing the number of outlets (commercial and non-commercial) tends to bring down this bias; but the strongest effect occurs when the number of owners is increased. Allowing for free entry provides lower bounds on fixed costs above which substantial commercial bias occurs in equilibrium.
Number of Pages in PDF File: 39
Keywords: Commercial media, concentration and consolidation, media bias, self-censorship, ownership structure
JEL Classification: L13, L82working papers series
Date posted: April 7, 2009
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