This article shows that mergers between close competitors in the music radio industry lead to important changes in product positioning. Firms that buy competing stations tend to differentiate them and, consistent with the firm wanting to reduce audience cannibalization, their combined audience increases. However, the merging stations also become more like competitors, so that aggregate variety does not increase, and the gains in market share come at the expense of other stations in the same format.
The Effects of Mergers on Product Positioning: Evidence from the Music Radio IndustryAndrew Sweeting ,
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RAND Journal of Economics