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We develop a simple test for deviations from power law tails, which is based on the asymptotic properties of the empirical distribution function. We use this test to answer the question whether great natural disasters, financial crashes or electricity price spikes should be classified as dragon...
Persistent link: https://www.econbiz.de/10009323909
Persistent link: https://www.econbiz.de/10011326686
The shapes of forward curves of energy commodities are believed to contain information on the volatility of futures prices for these commodities. The slope of the forward curve not only reflects temporal supply and demand conditions, but also the relationship between current and expected market...
Persistent link: https://www.econbiz.de/10013069099
We consider the detection of multiple outliers in Exponential and Pareto samples -- as well as general samples that have approximately Exponential or Pareto tails, thanks to Extreme Value Theory. It is shown that a simple "robust'' modification of common test statistics makes inward sequential...
Persistent link: https://www.econbiz.de/10011411972
The main objective of this paper is to present a reading of The Arcades Project by Walter Benjamin in the context of the financial crisis, in particular, reflect from a few fragments of Benjamin's work appear to lie around a Black Swan. The recovery of the fragments of The Arcades seems...
Persistent link: https://www.econbiz.de/10011114306
In the past decades, risk management in the financial community has been dominated by data-intensive statistical methods which rely on short historical time series to estimate future risk. Many observers consider this approach as a contributor to the current financial crisis, as a long period of...
Persistent link: https://www.econbiz.de/10010956151
In the past decades, risk management in the financial community has been dominated by data-intensive statistical methods which rely on short historical time series to estimate future risk. Many observers consider this approach as a contributor to the current financial crisis, as a long period of...
Persistent link: https://www.econbiz.de/10010311587
We provide a roadmap to understand and develop resilience, based on the realisation that resilience is the complement of risk, both being associated to the stresses supported by the socio-economic system. We propose instruments for resilience build-up and management based on a novel...
Persistent link: https://www.econbiz.de/10011516605
sensitivity of the surveillance system to outliers, we finally present a wavelet multiresolution (MRA) based outlier elimination …
Persistent link: https://www.econbiz.de/10009293966
sensitivity of the surveillance system to outliers, we finally present a wavelet multiresolution (MRA) based outlier elimination …
Persistent link: https://www.econbiz.de/10010734789