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- W3123628157 abstract "Financial market is an example of complex system, which is characterized by a highly intricate organization and the emergence of collective behavior. In this paper, we quantify this emergent dynamics in the financial market by using concepts of network synchronization. We consider networks constructed by the correlation matrix of asset returns and study the time evolution of the phase coherence among stock prices. It is verified that during financial crisis a synchronous state emerges in the system, defining the market's direction. Furthermore, the paper proposes a statistical regression model able to identify the topological features that mostly influence such an emergence. The coefficients of the proposed model indicate that the average shortest path length is the measurement most related to network synchronization. Therefore, during economic crisis, the stock prices present a similar evolution, which tends to shorten the distances between stocks, indication a collective dynamics." @default.
- W3123628157 created "2021-02-01" @default.
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- W3123628157 date "2011-09-01" @default.
- W3123628157 modified "2023-09-27" @default.
- W3123628157 title "Collective behavior in financial market" @default.
- W3123628157 hasPublicationYear "2011" @default.
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