Law Commons^™

Viewpoint Diversity And Media Consolidation: An Empirical Study, Daniel E. Ho, Kevin M. Quinn

Faculty Articles

One of the central predicates of legal regulation of media ownership is that ownership consolidation reduces substantive viewpoint diversity. Appellate courts and, in turn, the Federal Communications Commission have increasingly demanded evidence for this convergence hypothesis, but extant empirical measures of viewpoint diversity sidestep the problem, ignoring diversity, viewpoints, or both. Our Article develops and offers a finely tuned, time-varying statistical measure of editorial viewpoint diversity, based on a new database of over 1600 editorial positions in twenty-five top newspapers from 1988-2004. Using this new measure, we assess the validity of the convergence hypothesis by examining the evolution of editorial …