Internet and social media usage. Instead of merely surveying the various impacts of the Internet, we examine the methods … limitations. The first approach involves searching for exogenous sources of variation in the access to fast Internet or specific … natural or quasi-experiments for identifying the causal impact of high-speed Internet or specific social media. This …

broadband for high-speed Internet, which relates to technological characteristics of the pre- existing voice telecommunication … several interpretations of the results in light of the specific features of Internet-mediated social interaction. …

interactive experiments via the Internet is adequate and reliable, making online interactive experimentation a valuable complement …