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- W2522384076 abstract "Threats on the stability of a financial system can severely affect the functioning of the entire economy. Thus considerable emphasis was placed on analyzing the cause and effects of such threats. Recent crisis in the global financial world has generated renewed interests in fragilities of global financial networks among economists and regulatory authorities. The financial crisis in the current and the past decade has shown that one important cause of instability in global markets was the so-called financial contagion, namely theinstabilities or failures of individual components in the network spreads to otherwise healthier components, affecting the entire system. In the first part of the thesis we formalized the homogeneous banking network model of Nier et al. (78), its corresponding heterogeneous version, formalize the synchronous shock propagation procedure outlined in (78; 40). We defined appropriate stability measures and investigate the computational complexity of evaluating these measures for various network topologies and parameters ofinterest. We performed a comprehensive empirical evaluation over more than 700,000 combinations of network types and parameter combinations. Our results and proofs also shed some light on the properties of topologies and parameters of network that may lead to higher or lower stabilities.In the second part of the thesis we consider a banking network model introduced by (91) A. Zawadoski.In his model the asset risks and counter party risks are treated separately and each bank has only two counter party neighbors, a bank fails due to the counter party risk only if at least one of its two neighbors default. We consider the above model for more general network topologies, namely when each node has exactly2r counter party neighbors for some integer r > 0 and show that as the number of counter party neighborsincrease the probability of counter party risk also increases, hence banks not only hedge their asset risk but also hedge its counter party risk." @default.
- W2522384076 created "2016-09-30" @default.
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- W2522384076 date "2014-10-28" @default.
- W2522384076 modified "2023-09-26" @default.
- W2522384076 title "Global Stability of Financial Networks: Measures, Evaluations and Policy Implications" @default.
- W2522384076 hasPublicationYear "2014" @default.
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