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contagion. We work in the copula framework, which offers a full description of the dependence structure. Importantly, we assess …We investigate the dependence structure between Polish and foreign financial assets, including stocks, bonds and … extent long-term sovereign bonds exhibit economically significant tail dependence, while short-term bonds appear relatively …
Persistent link: https://www.econbiz.de/10010748238
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hypotheses on proximity-based contagion and status-based convergence mechanisms and test them in the context of the comic book …
Persistent link: https://www.econbiz.de/10012107870
. Furthermore, analyzing contagion within the neighbourhoods, we find that agents tend to imitate similar types ((un)-generous or … element of contagion in trustors’ behaviour. …
Persistent link: https://www.econbiz.de/10011220553
formation of social ties due to matching individual traits; social contagion, also known as social influence; and the causal … imitation (a form of social contagion) can produce substantial correlations between an individual's enduring traits and his or …
Persistent link: https://www.econbiz.de/10009294312
Persistent link: https://www.econbiz.de/10010865233
This paper investigates opinion dynamics and social influence in directed communication networks. We study the theoretical properties of a boundedly rational model of opinion formation in which individuals aggregate the information they receive from their neighbors by using weights that are a...
Persistent link: https://www.econbiz.de/10011335941
We investigate how the selection process of a leader affects team performance with respect to social learning. We use a lab experiment in which an incentivized guessing task is repeated in a star network with the leader at the center. Leader selection is either based on competence, on...
Persistent link: https://www.econbiz.de/10011816763
We study a model of social learning in networks where the dynamics of beliefs are driven by conversations of dissonance-minimizing agents. Given their current beliefs, agents make statements, tune them to the statements of their associates, and then revise their beliefs. We characterize the...
Persistent link: https://www.econbiz.de/10012799733
Social media networks (SMN) such as Facebook and Twitter are infamous for facilitating the spread of potentially false rumors. Although it has been argued that SMN enable their users to identify and challenge false rumors through collective efforts to make sense of unverified information—a...
Persistent link: https://www.econbiz.de/10014501442