How powerful are political parties in shaping citizens' opinions? Despite long‐standing
interest in the flow of influence between partisan elites and citizens, few studies to date …

How effective is fact checking in countervailing “alternative facts,” ie, misleading statements
by politicians? In a randomized online experiment during the 2017 French presidential …

To what extent are democratic elections vulnerable to social media manipulation? The
fractured state of research and evidence on this most important question facing democracy …

We examine the trade-offs associated with using Amazon. com's Mechanical Turk (MTurk)
interface for subject recruitment. We first describe MTurk and its promise as a vehicle for …

We analyze randomized online survey experiments providing interactive, customized
information on US income inequality, the link between top income tax rates and economic …

Hacking the Electorate is the most comprehensive study to date about the consequences of
campaigns using microtargeting databases to mobilize voters in elections. Eitan Hersh …

Evidence across social science indicates that average effects of persuasive messages are
small. One commonly offered explanation for these small effects is heterogeneity …

Existing research depicts intergroup prejudices as deeply ingrained, requiring intense
intervention to lastingly reduce. Here, we show that a single approximately 10-minute …

Concern that donations to political campaigns secure preferential treatment from policy
makers has long occupied judges, scholars, and the public. However, the effects of …

This paper explores the impact of the introduction of the widely viewed MTV reality show 16
and Pregnant on teen childbearing. Our main analysis relates geographic variation in …