This article presents a case study of the transition to a new market information regime, via an analysis of the transition to the BookScan system of measuring book sales and the potential impact of this new measurement system on how publishing industry decision makers perceive—and respond...

The marketplace metaphor that provides the foundation for the regulation of electronic media assumes not only that a diversity of content is available, but also that audiences expose themselves to this diversity. This exposure dimension of the diversity issue has been largely absent from...