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It is now an accepted fact that the majority of financial markets worldwide are neither normal nor constant, and South Africa is no exception. One idea that can be used to understand such markets and has been gaining popularity recently is that of regimes and regime-switching models. In this...
Persistent link: https://www.econbiz.de/10012952837
The performance of dynamic trading and investment strategies can be difficult to predict. Although not without its problems, analysis of the historical performance of a strategy can provide valuable insight into its general risk and return properties. Furthermore, historical analysis allows one...
Persistent link: https://www.econbiz.de/10012914668
Using a modified DCC-MIDAS specification that allows the long-term correlation component to be a function of multiple … explanatory variables, we show that the stock-bond correlation in the US, the UK, Germany, France, and Italy is mainly driven by …
Persistent link: https://www.econbiz.de/10011745369
Persistent link: https://www.econbiz.de/10012913510
A time-series basis decomposition and trend extraction technique known as Empirical Mode Decomposition (EMD), designed for multi-scale time-frequency decomposition in non-stationary time-series settings, will be combined with Regularised Covariance Regression (RCR) methods to produce a framework...
Persistent link: https://www.econbiz.de/10014348857
Exposure to market risk is a core objective of the Capital Asset Pricing Model (CAPM) with a focus on systematic risk. However, traditional OLS Beta model estimations (Ordinary Least Squares) are plagued with several statistical issues. Moreover, the CAPM considers only one source of risk and...
Persistent link: https://www.econbiz.de/10012500129
The relation between asset correlation and default probability is critical for determining bank regulatory capital … North American companies, we find that asset correlation tends to increase as credit quality (measured by agency ratings … on stock price dynamics: volatility and correlation increase substantially from the second quarter of 2008 and decline …
Persistent link: https://www.econbiz.de/10013090503
We undertake a systematic study of the univariate and multivariate properties of CDS spreads using the CDS spread time series of CDX Investment Grade index constituents from 2005 to 2009. We find that CDS spread returns appear to be stationary and exhibit positive autocorrelations,...
Persistent link: https://www.econbiz.de/10013129079
Данная часть завершает серию консультационных публикаций Деана Фантаццини на тему «Эконометрический анализ финансовых данных в задачах управления риском». В...
Persistent link: https://www.econbiz.de/10013121134
-chosen equity market and implied volatility indexes over ten years. We describe such robust (to spurious correlation) relationship …
Persistent link: https://www.econbiz.de/10012934158