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involves a series of statistical tests, including the Johansen cointegration test and Engle-Granger two-step approach. Among …
Persistent link: https://www.econbiz.de/10012898416
An exploratory study is conducted to assess the persistence of cointegration among U.S. equities. In other words, if a … 2002-2012, comprising over 860,000 pairs in total. The evidence does not support the hypothesis that cointegration is a …
Persistent link: https://www.econbiz.de/10013048017
stock returns are fairly weakly correlated across time, cointegration implies very high Sharpe ratios. To the extent that … the theoretical Sharpe ratios are "too large," this suggests that either (i) cointegration does not exist pairwise among … is little evidence of cointegration, favoring the first explanation …
Persistent link: https://www.econbiz.de/10012928750
-run equilibrium relationships among ten major cryptocurrencies by applying two different cointegration tests. This analysis aims at …
Persistent link: https://www.econbiz.de/10014495264
(CVAR) with general cointegration rank. Our hedge is optimal in the sense of minimum variance portfolio.We consider a model … correlation and cointegration parameters. For short holding periods the correlation impact is predominant. For long horizons, the … hedge ratio should overweight the cointegration parameters rather then short-run correlation information. In the infinite …
Persistent link: https://www.econbiz.de/10013045676
Based on a unique high-frequency dataset for more than fifty commodities, currencies, equity indices, and fixed income instruments spanning more than two decades, we document strong similarities in realized volatilities patterns across assets and asset classes. Exploiting these similarities...
Persistent link: https://www.econbiz.de/10012970195
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
We document a substantial increase in downside risk to US economic growth over the last 30 years. By modelling secular trends and cyclical changes of the predictive density of GDP growth, we find an accelerating decline in the skewness of the conditional distributions, with significant,...
Persistent link: https://www.econbiz.de/10013226483
We evaluate how departure from normality may affect the allocation of assets. A Taylor series expansion of the expected utility allows to focus on certain moments and to compute numerically the optimal portfolio allocation. A decisive advantage of this approach is that it remains operational...
Persistent link: https://www.econbiz.de/10013135029