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used for identifying single opinion leaders (network centrality measures), and three approaches were used to identify sets …This research used four approaches to identify opinion leaders in two networks in an Egyptian Village. One approach was … of key players (group centrality, network efficiency, and KPP-Pos & KPP-Neg). Social network analysis software (UCINET 6 …
Persistent link: https://www.econbiz.de/10011222375
Word-of-Mouth, i.e. informal conversations and recommendations of people about products and services, has a powerful impact on customer decision-making. This study analyzes the fundamentals of this phenomenon in order to provide a better understanding of how Word-of-Mouth works and how it can be...
Persistent link: https://www.econbiz.de/10009401113
network of "concern" and "being concerned" is described. With index of centrality measure, three aspects of the actors in the … word-of-mouth network are discussed in terms of the degree centrality, betweenness centrality, closeness centrality. The …
Persistent link: https://www.econbiz.de/10011267156
Lately, a new trend has specially outreached on the Information Society that of Social Computing. Starting from a citizen-focused model of health seamless provision of services, this paper analyses some current Web 2.0 initiatives on the Health sector. These opportunities would not be fully...
Persistent link: https://www.econbiz.de/10009352693
centrality and the Kirchhoff index. The relation between the first two suggests that the node displacement has a better … resolution of the vulnerability than the information centrality, because the latter is the sum of the local node displacement and …
Persistent link: https://www.econbiz.de/10010872589
The objective of this article is to show how a formal approach to social networks can be applied to better understand informal trade in developing countries, with a particular focus on Africa. The paper starts by discussing some of the fundamental concepts developed by social network analysis....
Persistent link: https://www.econbiz.de/10011148653
centrality is defined by diffusion centrality (Banerjee, Chandrasekhar, Duflo, and Jackson, 2013), which characterizes a nodeâ …€™s influence in spreading information. It first show that diffusion centrality nests standard centrality measures – degree …, eigenvector and Katz-Bonacich centrality – as extreme special cases. Next, it shows that boundedly rational individuals can …
Persistent link: https://www.econbiz.de/10011133172
analyzed. There are significantly positive correlations between gift network centrality and various forms of informal insurance …
Persistent link: https://www.econbiz.de/10011078389
Peer influence through word-of-mouth (WOM) plays an important role in many information systems but identification of causal effects is challenging. We identify causal WOM effects in the empirical setting of game adoption in a social network for gamers by exploiting differences in individuals'...
Persistent link: https://www.econbiz.de/10011139791
In the past few years, online social networks have rapidly acquired a notable importance both for companies and for consumers all over the world. The purpose of this paper is to shed light upon the Romanian consumers’ view regarding online social networks by bringing a new perspective upon the...
Persistent link: https://www.econbiz.de/10010553369