SOCY 101 Lecture Notes - Lecture 32: Flatulence, Eigenvector Centrality, Islamic Terrorism
28 Dec 2016
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Social network analysis (sna) view the social enviro as patterns of relationships among interacting units. Actor= descrete individual, corporate, or collective social units (eg. people, departments, corporations, nation-states) International trade, who do you like and how much, citations from journals, phd"s from departments. Centrality conceptually refers to the most important actors. The substance of the relation determines which measure(s) is/ are appropriate. The simplest definitnon of actor centrality is that central actors must be the most active in the sense that they have the most ties to other actors in the network. Among 395 active terrorist groups between 1998 and 2005, each additional network connection corresponded to 1. 2 additional fatalities in terrorist attacks. Among 108 active islamic terrorist groups between 1998 and 2005, each increase in eigenvector centrality corresponded to a 1. 18 increase in the odds of using or. One"s competitive advantage lies in the structure of a players network.
