We replicate and extend the analysis of the positive association between social media (Google searches and tweets) and the MTV program 16 and Pregnant recently published by Melissa Kearney and Phillip Levine (2015). We find that the relationship disappears or even turns negative when we include...

We reassess recent and widely reported evidence that the MTV program 16 and Pregnant played a major role in reducing teen birth rates in the U.S. since it began broadcasting in 2009 (Kearney and Levine, American Economic Review 2015). We find Kearney and Levine's identification strategy to be...

We reassess recent and widely reported evidence that the MTV program 16 and Pregnant played a major role in reducing teen birth rates in the U.S. since it began broadcasting in 2009 (Kearney and Levine, American Economic Review 2015). We find Kearney and Levine's identification strategy to be...

We examine the relationship between social media activity, such as Google searches and tweets, related to teen pregnancy and the airing of the MTV program 16 and Pregnant. In contrast to Kearney and Levine's (2015) claim of a positive relationship, we find that the association is statistically...

We compare student academic performance in traditional twice-a-week and compressed once-a-week lecture formats in introductory microeconomics between one semester in which students were randomly assigned into the formats and another semester when students were allowed to choose their format. In...