| 来源类型 | FEEM working papers "Note di lavoro" series |
| 规范类型 | 论文 |
| Small World Networks with Segregation Patterns and Brokers | |
| Edoardo Gallo | |
| 发表日期 | 2009 |
| 出处 | Climate Change and Sustainable Development |
| 出版年 | 2009 |
| 语种 | 英语 |
| 摘要 | Many social networks have the following properties: (i) a short average distance between any two individuals; (ii) a high clustering coefficient; (iii) segregation patterns; the presence of (iv) brokers and (v) hubs. (i) and (ii) define a small world network. This paper develops a strategic network formation model where agents have heterogeneous knowledge of the network: cognizant agents know the whole network, while ignorant ones are less knowledgeable. For a broad range of parameters, all pairwise Nash (PN) networks have properties (i)-(iv). There are some PN networks with one hub. Cognizant agents have higher betweenness centrality: they are the brokers who connect different parts of the network. Ignorant agents cause the emergence of segregation patterns. The results are robust to varying the number of cognizant agents and to increasing the knowledge level of ignorant ones. An application shows the relevance of the results to assessing the welfare impact of an increase in network knowledge due to, e.g., improved access to social networking tools. |
| 特色分类 | C72,D85 |
| 关键词 | Network,Cognitive Network,Small World,Broker,Segregation |
| URL | https://www.feem.it/en/publications/feem-working-papers-note-di-lavoro-series/small-world-networks-with-segregation-patterns-and-brokers/ |
| 来源智库 | Fondazione Eni Enrico Mattei (Italy) |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/117712 |
| 推荐引用方式 GB/T 7714 | Edoardo Gallo. Small World Networks with Segregation Patterns and Brokers. 2009. |
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| 文件名称/大小 | 资源类型 | 版本类型 | 开放类型 | 使用许可 | ||
| NDL2009-034.pdf（1063KB） | 智库出版物 | 限制开放 | CC BY-NC-SA | 浏览 | ||
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