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Social Media, Sentiment and Public Opinions : Evidence from #Brexit and #Uselection

Gorodnichenko, Yuriy - 2018

This paper studies information diffusion in social media and the role of bots in shaping public opinions. Using Twitter data on the 2016 E.U. Referendum (“Brexit”) and the 2016 U.S. Presidential Election, we find that diffusion of information on Twitter is largely complete within 1-2 hours....

Persistent link: https://www.econbiz.de/10012918621

Trends in the Diffusion of Misinformation on Social Media

Allcott, Hunt - 2019

measure trends in the diffusion of content from 569 fake news websites and 9,540 fake news stories on Facebook and Twitter … between January 2015 and July 2018. User interactions with false content rose steadily on both Facebook and Twitter through … the end of 2016. Since then, however, interactions with false content have fallen sharply on Facebook while continuing to …

Persistent link: https://www.econbiz.de/10012893606

The Impact of Large-Scale Social Media Advertising Campaigns on COVID-19 Vaccination : Evidence from Two Randomized Controlled Trials

Ho, Lisa; Breza, Emily; Alsan, Marcella; Banerjee, … - 2022

Facebook users in the US and 11.5 million in France. In both countries, we cannot reject the null of no effect of any of the …

Persistent link: https://www.econbiz.de/10014240719

Brokering Votes with Information Spread Via Social Networks

Duarte, Raul - 2019

Throughout much of the developing world, politicians rely on political brokers to buy votes prior to elections. We investigate how social networks help facilitate vote-buying exchanges by combining village network data of brokers and voters with broker reports of vote buying. We show that...

Persistent link: https://www.econbiz.de/10012863258

Box Office Buzz : Does Social Media Data Steal the Show from Model Uncertainty When Forecasting for Hollywood?

Lehrer, Steven F. - 2016

Substantial excitement currently exists in industry regarding the potential of using analytic tools to measure sentiment in social media messages to help predict individual reactions to a new product, including movies. However, the majority of models subsequently used for forecasting exercises...

Persistent link: https://www.econbiz.de/10012976985

Homophily, Group Size, and the Diffusion of Political Information in Social Networks : Evidence from Twitter

Halberstam, Yosh - 2015

In this paper, we investigate political communications in social networks characterized both by homophily–a tendency to associate with similar individuals–and group size. To generate testable hypotheses, we develop a simple theory of information diffusion in social networks with homophily...

Persistent link: https://www.econbiz.de/10013031823

Ideological Segregation Among Online Collaborators : Evidence from Wikipedians

Greenstein, Shane M. - 2016

Do online communities segregate into separate conversations about “contestable knowledge”? We analyze the contributors of biased and slanted content in Wikipedia articles about U.S. politics, and focus on two research questions: (1) Do contributors display tendencies to contribute to topics...

Persistent link: https://www.econbiz.de/10012981096

Threats to Central Bank Independence : High-Frequency Identification with Twitter

Bianchi, Francesco - 2019

This paper presents market-based evidence that President Trump influences expectations about monetary policy. We use tick-by-tick fed funds futures data and a collection of Trump tweets criticizing the conduct of monetary policy and consistently advocating that the Fed lower interest rates....

Persistent link: https://www.econbiz.de/10012862403

The Effectiveness of Digital Interventions on Covid-19 Attitudes and Beliefs

Athey, Susan; Grabarz, Kristen; Luca, Michael; … - 2022

on Facebook and Instagram that collectively reached 2.1 billion individuals and cost around $40 million. We report the …

Persistent link: https://www.econbiz.de/10014079934

Social Media and Fake News in the 2016 Election

Allcott, Hunt - 2017

before the election, those favoring Trump were shared a total of 30 million times on Facebook, while those favoring Clinton …

Persistent link: https://www.econbiz.de/10012964878