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equity portfolio diversification that substantial differences exist between bull and bear regime-specific frontiers, both in …-Variance Optimization ; Asset Allocation ; International Portfolio Diversification. …
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equity portfolio diversification that substantial differences exist between bull and bear regime-specific frontiers, both in …
Persistent link: https://www.econbiz.de/10013135227
We develop a new variational Bayes estimation method for large-dimensional sparse vector autoregressive models with exogenous predictors. Unlike existing Markov chain Monte Carlo (MCMC) and variational Bayes (VB) algorithms, our approach is not based on a structural form representation of the...
Persistent link: https://www.econbiz.de/10013239660
This paper proposes a latent dynamic factor model for low- as well as high-dimensional realized covariance matrices of stock returns. The approach is based on the matrix logarithm and allows for flexible dynamic dependence patterns by combining common latent factors driven by HAR dynamics and...
Persistent link: https://www.econbiz.de/10010341025
. In the longer run, however, a trade-off between diversification and climate action emerges. We derive the optimal carbon …
Persistent link: https://www.econbiz.de/10012258563
much time does one need to establish a successful investment outcome as opposed to just experiencing noise? A simple … suggests that the time window to have high confidence in the efficacy of the approach utilized by most investors is much … greater than the typical horizon of these approaches – this is the time contradiction in investments. Alternatively, for a …
Persistent link: https://www.econbiz.de/10012971837
We study firm-level characteristics that a manager would employ as signalling tools in order to time the market (i … time-variation of the strategies providing a unique explanation for momentum crashes …
Persistent link: https://www.econbiz.de/10013005248
Many investors we speak to are interested in making a strategic allocation to low volatility equities to help them better meet their investment objectives. The appeal of this strategy is clear. Low volatility stocks have historically delivered higher returns with lower risk than the...
Persistent link: https://www.econbiz.de/10013047895