Abstract

http://ssrn.com/abstract=1530885
 
 

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Social Structure, Segregation, and Economic Behavior


Matthew O. Jackson


Stanford University - Department of Economics; Santa Fe Institute; Canadian Institute for Advanced Research (CIFAR)

February 5, 2009


Abstract:     
I discuss a fundamental and pervasive aspect of social networks that has a signfii…cant impact on behavior: "homophily. "Homophily refers to the tendency of individuals to associate with others who have similar characteristics as themselves. This tendency has been observed across a variety of dimensions including ethnicity, age, gender, profession, and education level, among others. Given that our opinions, behaviors, and decisions are infl‡uenced by those we are in contact with, having a thorough grasp of homophily and how it shapes our social networks and ultimately translates into our behaviors becomes imperative.

This lecture proceeds in three parts. It begins with background on homophily, providing some illustrations and a very brief look at some empirical studies on homophily. It then proceeds to the impact of homophily, discussing the effects of homophily on three different things: how information diffuses through a society, how individuals make education decisions, and social mobility. After discussing the impact of homophily on these different behaviors, I conclude with a discussion of a model of homophily and what we might learn about what leads to homophily.

Number of Pages in PDF File: 19

Keywords: homophily, diffusion, social mobility, segregation, networks, social networks

JEL Classification: D85, C72, L14, Z13, J15, J71

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Date posted: August 13, 2010  

Suggested Citation

Jackson, Matthew O., Social Structure, Segregation, and Economic Behavior (February 5, 2009). Available at SSRN: http://ssrn.com/abstract=1530885 or http://dx.doi.org/10.2139/ssrn.1530885

Contact Information

Matthew O. Jackson (Contact Author)
Stanford University - Department of Economics ( email )
Landau Economics Building
579 Serra Mall
Stanford, CA 94305-6072
United States
1-650-723-3544 (Phone)
HOME PAGE: http://www.stanford.edu/~jacksonm
Santa Fe Institute
1399 Hyde Park Road
Santa Fe, NM 87501
United States
Canadian Institute for Advanced Research (CIFAR) ( email )
180 Dundas Street West, Suite 1400
Toronto, Ontario
Canada
Feedback to SSRN


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