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Goal: ISO 31000 Risk Management (RM) recently re-defined risk as the effect of uncertainty on an organization's ability to meet the objectives. Earlier, it defined risk as a combination of the probability and scope of the (predicted) consequences. The revised ISO Risk advances beyond a static...
Persistent link: https://www.econbiz.de/10014256748
mortality forecast accuracy by 13% - 49% and 19% - 90% for females over individual mortality models. The stacked regression …
Persistent link: https://www.econbiz.de/10013234413
Many complex systems display fluctuations between alternative states in correspondence to tipping points. These critical shifts are usually associated with generic empirical phenomena such as strengthening correlations between entities composing the system. In finance, for instance, market...
Persistent link: https://www.econbiz.de/10011775882
It is common practice to forecast social, political, and economic outcomes by polling people about their intentions …
Persistent link: https://www.econbiz.de/10012501630
Investors rely on the stock-bond correlation for a variety of tasks, such as forming optimal portfolios, designing hedging strategies, and assessing risk. Most investors estimate the stock-bond correlation simply by extrapolating the historical correlation of monthly returns and assume that this...
Persistent link: https://www.econbiz.de/10012225162
Stock price prediction is a challenging task, but machine learning methods have recently been used successfully for this purpose. In this paper, we extract over 270 hand-crafted features (factors) inspired by technical and quantitative analysis and tested their validity on short-term mid-price...
Persistent link: https://www.econbiz.de/10014112633
Sequence motifs are words of nucleotides in DNA with biological functions, e.g. gene regulation. Identification of such words proceeds through rejection of Markov models on the expected motif frequency along the genome. Additional biological information can be extracted from the correlation...
Persistent link: https://www.econbiz.de/10009550536
After Lehman collapse, Market participants started to consider the credit risk as a major risk. It become vital to charge the potential default of the counterparty at the trading level. The CVA became rapidly a standar when two institutions want to trade a derivative product. The main task of...
Persistent link: https://www.econbiz.de/10013091595
effect model (GCSGE-Model). The physics section is divided into three elemental theoretical frameworks: (i) the theory of …
Persistent link: https://www.econbiz.de/10013092771
Aim of this research paper it to develop an alternative model for portfolio credit risk to those widely used - CreditRisk+ and CreditMetrics. The model aspires to patch the usual weak points of portfolio credit models and also is easy to implement. General engine relies on one-factor copula...
Persistent link: https://www.econbiz.de/10013065540