Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/170611
Authors: 
Pecora, Nicolò
Spelta, Alessandro
Year of Publication: 
2014
Series/Report no.: 
Working Paper, Dipartimento di Economia e Finanza (DISCE), Università Cattolica del Sacro Cuore 14
Abstract: 
Analyzing the topological properties of the network of shareholding relationships among the Euro Area banks we evaluate the relevance of a bank in the ?nancial system respect to ownership and control of other banks. We ?nd that the degree distribution of the European banking network displays power laws in both the binary and the weighted case. We also ?nd that the exponents are linked by a scaling relation revealing a direct connection between an increase of control diversi?cation and an increase of market power. Results also reveal Single Supervisory Mechanism, recently introduced by the European Central Bank and based on banks? total assets is a good proxy for the systemic risk associated to a particular ?nancial institution. Moreover we study how control and wealth are structured and concentrated within the banking system. Interestingly, our analysis reveals that control is highly concentrated at banking level, namely, lying in the hands of very few important shareholders that have weak relationships between them. This means that each main holder controls approximately a separate subset of banks.
Subjects: 
Shareholding network
European banking system
Weighted graph
Power law
JEL: 
D85
E58
L14
Document Type: 
Working Paper

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