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Events

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“Social Media and Extreme Content” by Prof. Yves Zenou
12Nov
SEF Seminar Calendar, Seminar

“Social Media and Extreme Content” by Prof. Yves Zenou

12 Nov 2019 | 16:30 - 18:00
Room 910, K.K. Leung Building, HKU
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Speaker:
Prof. Yves Zenou
Professor and Richard Snape Chair in Business and Economics
Monash University

 

Abstract:

We develop a model of a social media network where there are two types of news content: mass-market (mainstream news) and niche-market (more “extreme” news) and two different types of individuals who have a preference for recommending one or other type of content. We find that social media will amplify the prevalence of mass-market content and may result in it being the only type of content consumed. Further, we find that greater connectivity and homophily in the social media network will concurrently increase the prevalence of extreme news content (niche market) and polarization. We then study an extension where there are two lobbying agents that can and wish to influence the prevalence of each type of content. We find that the lobbying agent in favor of the extreme news content will invest more in lobbying activities. We also show that lobbying activity will tend to increase polarization, and that this effect is greatest in settings where polarization would be small absent of lobbying activity. Finally, we allow individuals to choose the degree of homophily amongst their connections and demonstrate that niche-market individuals exhibit greater homophily than the mass-market ones, and contribute more to polarization.

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About Speaker
Prof. Yves Zenou

Professor and Richard Snape Chair in Business and Economics Monash University

“Social Media and Extreme Content” by Prof. Yves Zenou
12 Nov 201916:30 - 18:00
Room 910, K.K. Leung Building, HKU
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