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- Publicación |Abstract
- Publicación |Abstract
The concept of centrality has been widely used to monitor systems with a network structure because it allows identifying their most influential participants.This monitoring task can be difficult if the number of system participants is considerably large or if the wide variety of…
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The opinions contained in this document are the sole responsibility of the author and do not commit Banco de la República or its Board of Directors.
- Publicación |
The opinions contained in this document are the sole responsibility of the authors and do not commit Banco de la Republica or its Board of Directors.
- Publicación |
In complex systems, homogeneity (i.e. lack of diversity) has been documented as a source of fragility. Likewise, financial sector’s homogeneity has been documented as a contributing factor for systemic risk. We assess homogeneity in the Colombian case by measuring how similar banks are regarding…
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The effect of the Global Financial Crisis (GFC) has been substantial across markets and countries worldwide. We examine how the GFC has changed the way equity markets group together based on the similarity of stock indices’ daily returns. Our examination is based on agglomerative clustering…
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The history of economic recessions has shown that every deep downturn has been accompanied by disruptions in the financial sector. Paradoxically, up until the financial world crisis of 2007–2009, little attention was given to macroeconomic and financial interdependence. In this paper, a study is…
- Publicación |
The history of economic recessions has shown that every deep downturn has been accompanied by disruptions in the financial sector. Paradoxically, up until the financial world crisis of 2007-2009, little attention was given to macroeconomic and financial interdependence. And, in spite of a…
- Publicación |
Scale-free (inhomogeneous) connective structures with modular (highly clustered) hierarchies are ubiquitous in real–world networks. Evidence from the main Colombian payment and settlement systems verifies that local financial networks have self-organized into a modular scale-free architecture…