• Publications
  • Influence
Social Media and Fake News in the 2016 Election
Following the 2016 U.S. presidential election, many have expressed concern about the effects of false stories (“fake news”), circulated largely through social media. We discuss the economics of fakeExpand
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Bayesian Persuasion
When is it possible for one person to persuade another to change her action? We take a mechanism design approach to this question. Taking preferences and initial beliefs as given, we introduce theExpand
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Media Bias and Reputation
A Bayesian consumer who is uncertain about the quality of an information source will infer that the source is of higher quality when its reports conform to the consumer's prior expectations. We useExpand
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Valuing New Goods in a Model with Complementarity: Online Newspapers
Many important economic questions hinge on the extent to which new goods either crowd out or complement consumption of existing products. Recent methods for studying new goods are based on demandExpand
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Ideological Segregation Online and Offline
We use individual and aggregate data to ask how the Internet is changing the ideological segregation of the American electorate. Focusing on online news consumption, offline news consumption, andExpand
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Television and Voter Turnout
I use variation across markets in the timing of television's introduction to identify its impact on voter turnout. The estimated effect is significantly negative, accounting for between a quarter andExpand
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Persuasion: Empirical Evidence
We provide a selective survey of empirical evidence on the effects as well as the drivers of persuasive communication. We consider persuasion directed at consumers, voters, donors, and investors. WeExpand
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The Effect of Newspaper Entry and Exit on Electoral Politics
We use new data on entries and exits of US daily newspapers from 1869 to 2004 to estimate effects on political participation, party vote shares, and electoral competitiveness. Our identificationExpand
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Sources of Geographic Variation in Health Care: Evidence from Patient Migration
We study the drivers of geographic variation in US health care utilization, using an empirical strategy that exploits migration of Medicare patients to separate the role of demand and supply factors.Expand
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Polarization and Public Health: Partisan Differences in Social Distancing During the Coronavirus Pandemic
We study partisan differences in Americans' response to the COVID-19 pandemic. Political leaders and media outlets on the right and left have sent divergent messages about the severity of the crisis,Expand
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