IlrobNovember7 - Ilrob I. November 7, 2007 Overview from...

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Ilrob November 7, 2007 I. Overview from last lecture a. Social ties are friendship, advice, or supportive relationships between people b. Social networks are aggregations of social ties i. Even if you have a lot of ties, you do not necessarily have an effective network ii. Need to consider network structure iii. What is the pattern of ties between people you know and people you don’t know c. Network Closure i. Want an open network to have new information ii. A totally closed network that is very click-y has no new information and is useless iii. Structural Holes 1. Access a. People in structural holes will be positioned to access relevant information much sooner b. Main benefit: Can act more quickly on that information 2. Brokerage a. Brokers can facilitate an exchange between two actors who i. Do not know each other’s needs and resources ii. Do not trust each other b. Main benefit: In control of referrals 3. Tertius Gaudens (The Third Who Benefits) a. When two parties want the same thing from the
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IlrobNovember7 - Ilrob I. November 7, 2007 Overview from...

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