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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
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An Empirical Model for Strategic Network Formation
Christakis, Nicholas A. - 2010
We develop and analyze a tractable empirical model for strategic network formation that can be estimated with data from a single network at a single point in time. We model the network formation as a sequential process where in each period a single randomly selected pair of agents has the...
Persistent link: https://www.econbiz.de/10013142932
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Friendship at Work : Can Peer Effects Catalyze Female Entrepreneurship?
Field, Erica - 2015
were stronger among women from religious or caste groups with social norms that restrict female mobility … for women facing more restrictive social norms? We offered two days of business counseling to a random sample of customers … of India's largest women's bank. A random subsample was invited to attend with a friend. The intervention had a …
Persistent link: https://www.econbiz.de/10013024498
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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
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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
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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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Social Capital and Labor Market Networks
Asquith, Brian - 2019
We explore the links between social capital and labor market networks at the neighborhood level. We harness rich data taken from multiple sources, including matched employer-employee data with which we measure the strength of labor market networks, data on behavior such as voting patterns that...
Persistent link: https://www.econbiz.de/10012900794
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Immigrant Networking and Collaboration : Survey Evidence from Cic
Kerr, Sari Pekkala - 2019
Networking and the giving and receiving of advice outside of one's own firm are important features of entrepreneurship and innovation. We study how immigrants and natives utilize the potential networking opportunities provided by CIC, formerly known as the Cambridge Innovation Center. CIC is...
Persistent link: https://www.econbiz.de/10012893581
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Who Owned Citibank? Familiarity Bias and Business Network Influences on Stock Purchases, 1925-1929
Calomiris, Charles W. - 2019
We study factors influencing individuals' decisions to purchase Citibank stock during the 1920s. Ownership was encouraged by proximity to New York and higher wealth. Lack of familiarity was also an important barrier. The establishment of Citibank branches within a U.S. county or a foreign...
Persistent link: https://www.econbiz.de/10012864823
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Online Appendix - Who Owned Citibank? Familiarity Bias and Business Network Influences on Stock Purchases, 1925-1929
Calomiris, Charles W. - 2019
This appendix contains additional figures and tables referenced in the paper, but not included in the main figures and tables. It contains the geographic distribution of shareholders and a visualization of the business network. It includes alternative specifications for the county-level and...
Persistent link: https://www.econbiz.de/10012864827