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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

Some Simple Economics of Crowdfunding

Agrawal, Ajay K. - 2014

transaction costs, reputation, and market design, can explain the rise of non-equity crowdfunding and offer a framework for …, the recent rise of crowdfunding - raising capital from many people through an online platform - which offers little … initially startling. On the eve of launching equity-based crowdfunding, a new market for early-stage finance in the U.S., we …

Persistent link: https://www.econbiz.de/10013063674

The Information Value of Online Social Networks : Lessons from Peer-to-Peer Lending

Freedman, Seth - 2014

We examine whether social networks facilitate online markets using data from a leading peer-to-peer lending website. We find that borrowers with social ties are consistently more likely to have their loans funded and receive lower interest rates; however, most borrowers with social ties are more...

Persistent link: https://www.econbiz.de/10013060682

Measuring Social Connectedness

Bailey, Michael - 2017

We introduce a new measure of social connectedness between U.S. county-pairs, as well as between U.S. counties and foreign countries. Our measure, which we call the "Social Connectedness Index" (SCI), is based on the number of friendship links on Facebook, the world's largest online social...

Persistent link: https://www.econbiz.de/10012951350

International Trade and Social Connectedness

Bailey, Michael; Gupta, Abhinav; Hillenbrand, Sebastian; … - 2022

We use anonymized data from Facebook to construct a new measure of the pairwise social connectedness between 180 countries and 332 European regions. We find that two countries trade more with each other when they are more socially connected and when they share social connections with a similar...

Persistent link: https://www.econbiz.de/10013314328

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

Chiou, Lesley - 2018

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...

Persistent link: https://www.econbiz.de/10012908469

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

COVID-19 vaccines are widely available in wealthy countries, yet many people remain unvaccinated. Understanding the effectiveness -- or lack thereof -- of popular vaccination campaign strategies is therefore critical. In this paper, we report results from two studies that tested strategies...

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

The Geographic Spread of Covid-19 Correlates with the Structure of Social Networks as Measured by Facebook

Kuchler, Theresa - 2020

We use aggregated data from Facebook to show that COVID-19 was more likely to spread between regions with stronger social network connections. Areas with more social ties to two early COVID-19 “hotspots” (Westchester County, NY, in the U.S. and Lodi province in Italy) generally had more...

Persistent link: https://www.econbiz.de/10012837185

Social Connectedness in Urban Areas

Bailey, Michael - 2019

We use anonymized and aggregated data from Facebook to explore the spatial structure of social networks in the New York metro area. We highlight the importance of transportation infrastructure in shaping urban social networks by showing that travel time and travel costs are substantially...

Persistent link: https://www.econbiz.de/10012867065

Social Networks and Housing Markets

Bailey, Michael - 2016

We document that the recent house price experiences within an individual's social network affect her perceptions of the attractiveness of property investments, and through this channel have large effects on her housing market activity. Our data combine anonymized social network information from...

Persistent link: https://www.econbiz.de/10012991691

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