The advent of smartphones has caused a dramatic change in consumers' access to information and media. Using data on consumer telephone service choices, along with geographic data on cellular network infrastructure and software applications, we estimate the demand for telephone services. We allow...

An interesting feature of the data is that the price distribution in the absence of promotional activities first order stochastically dominates that under display or feature advertising. The theoretical model we introduce can yield an equilibrium that is consistent with the above observations

Existing market-based measures of viewpoint diversity in the media have been criticized for lacking a theoretical foundation. This paper proposes a theoretical framework to develop market-based measures of viewpoint diversity. It then uses this framework to develop four viewpoint diversity...