We design a field experiment to explore the use of social comparison to increase contributions to an online community. We find that, after receiving behavioral information about the median user's total number of movie ratings, users below the median demonstrate a 530 percent increase in the...

This paper analyzes the effects on voting behavior of information disseminated over the Internet. We address endogeneity in Internet availability by exploiting regional and technological peculiarities of the preexisting voice telephony network that hindered the roll-out of fixed-line...

Popular accounts suggest that advertising revenue per unit of consumer attention is lower online than offline, and has fallen in traditional media as the Internet has made advertising markets more competitive. I assess these claims theoretically and empirically, and compare the patterns we...

This paper develops a structural model of newspaper markets to analyze the effects of ownership consolidation, taking into account not only firms' price adjustments but also the adjustments in newspaper characteristics. A new dataset on newspaper prices and characteristics is used to estimate...

Both submission fees and response times enable editors to maintain an acceptable refereeing burden by discouraging the submission of articles with low probability of acceptance. When authors differ in their ability or willingness to pay submission fees and deal with delays, journal quality is...

We study the competitive forces which shaped ideological diversity in the US press in the early twentieth century. We find that households preferred like-minded news and that newspapers used their political orientation to differentiate from competitors. We formulate a model of newspaper demand,...

In the past decade Americans have increasingly turned their attention to nonlocal information sources, raising concerns about disengagement from local communities. Regulation sometimes seeks to curtail the integration of media markets through the promotion of "localism." This paper examines the...

I examine the effects of vertical integration between programming and distribution in the cable television industry. I assess the effects of ownership structure on program offerings, prices, and subscriptions, and I compare consumer welfare across integrated and unintegrated markets. The results...