Fake News and Advertising on Social Media: A Study of the Anti-Vaccination Movement

36 Pages Posted: 5 Nov 2018

See all articles by Lesley Chiou

Lesley Chiou

Occidental College - Department of Economics

Catherine E. Tucker

Massachusetts Institute of Technology (MIT) - Management Science (MS)

Multiple version iconThere are 2 versions of this paper

Date Written: November 2018

Abstract

Online sources sometimes publish information that is false or intentionally misleading. We study the role of social networks and advertising on social networks in the dissemination of false news stories about childhood vaccines. We document that anti-vaccine Facebook groups disseminate false stories beyond the groups as well as serving as an “echo” chamber. We also find that after Facebook's ban on advertising by fake new sites, the sharing of fake news articles on Facebook fell by 75% on Facebook compared to Twitter.

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Suggested Citation

Chiou, Lesley and Tucker, Catherine E., Fake News and Advertising on Social Media: A Study of the Anti-Vaccination Movement (November 2018). NBER Working Paper No. w25223. Available at SSRN: https://ssrn.com/abstract=3278523

Lesley Chiou (Contact Author)

Occidental College - Department of Economics ( email )

1600 Campus Road
Los Angeles, CA 90041
United States

HOME PAGE: http://www.faculty.oxy.edu/lchiou

Catherine E. Tucker

Massachusetts Institute of Technology (MIT) - Management Science (MS) ( email )

100 Main St
E62-536
Cambridge, MA 02142
United States

HOME PAGE: http://cetucker.scripts.mit.edu

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