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We quantify the amount of information filtered by different hierarchical clustering methods on correlations between stock returns comparing the clustering structure with the underlying industrial activity classification. We apply, for the first time to financial data, a novel hierarchical...
Persistent link: https://www.econbiz.de/10011266095
We report a study of a stylized banking cascade model investigating systemic risk caused by counterparty failure using liabilities and assets to define banks' balance sheet. In our stylized system, banks can be in two states: normally operating or distressed and the state of a bank changes from...
Persistent link: https://www.econbiz.de/10011125937
We report evidence of a deep interplay between cross-correlations hierarchical properties and multifractality of New York Stock Exchange daily stock returns. The degree of multifractality displayed by different stocks is found to be positively correlated to their depth in the hierarchy of...
Persistent link: https://www.econbiz.de/10011126338
The findings of this study are presented in the main body of the report on a country-by country basis in alphabetical order. For each country, a brief overview of the environmental accounting system in terms of the scope, frequency of update, length of time series, and any other relevant...
Persistent link: https://www.econbiz.de/10012646872
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Systemic risk, in a complex system with several interrelated variables, such as a financial market, is quantifiable from the multivariate probability distribution describing the reciprocal influence between the system's variables. The effect of stress on the system is reflected by the change in...
Persistent link: https://www.econbiz.de/10012534607
We introduce a multistep-ahead forecasting methodology that combines empirical mode decomposition (EMD) and support vector regression (SVR). This methodology is based on the idea that the forecasting task is simplified by using as input for SVR the time series decomposed with EMD. The outcomes...
Persistent link: https://www.econbiz.de/10011996563
Systemic risk, in a complex system with several interrelated variables, such as a financial market, is quantifiable from the multivariate probability distribution describing the reciprocal influence between the system's variables. The effect of stress on the system is reflected by the change in...
Persistent link: https://www.econbiz.de/10012611770
Persistent link: https://www.econbiz.de/10011374578
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