Opinion Dynamics and Disagreements on Financial Networks

Monica Billio, Roberto Casarin, Michele Costola and Lorenzo Frattarolo
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Michele Costola: SAFE, House of Finance, Goethe University Frankfurt
Lorenzo Frattarolo: University Ca’ Foscari of Venice

Advances in Decision Sciences, 2019, vol. 23, issue 4, 24-51

Abstract: We propose a new measure of disagreement based on connectedness, which generalizes the disagreement index introduced in Billio et al. (2018). Building on the lifting approach in Hendrickx (2014), we extend Billio et al. (2018) to signed networks, which allows us to consider more general consensus dynamics and disagreement with antagonistic behaviour. Synthetic and real-world financial networks of serial correlation are considered for illustrating the new measure and for studying opinion dynamics and convergence to consensus on prices for financial assets.

Keywords: : Consensus dynamics; Disagreement; Financial contagion; Financial Networks; Graph Theory, Opinion Dynamics. (search for similar items in EconPapers)
JEL-codes: C58 D83 D85 G12 G29 (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:aag:wpaper:v:23:y:2019:i:4:p:24-51

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