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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
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
years. The diversification benefits implied by our empirical model are, moreover, strongly varied over time. These findings …Oil is perceived as a good diversification tool for stock markets. To fully understand this potential, we propose a new … capture and forecast the conditional time-varying joint distribution of the oil-stocks pair accurately. Our realized GARCH …
Persistent link: https://www.econbiz.de/10010499593
This study focuses on the diversification benefits of the most developed equity markets of Central and Eastern Europe … (CEE). To evaluate these benefits of diversification we use so-called spanning tests based on a stochastic discount factor …
Persistent link: https://www.econbiz.de/10011444904
diversification's impact on the serial correlation of analyst forecast errors and its associated drift is significantly reduced after …
Persistent link: https://www.econbiz.de/10012968824
increasing information ratios. We show that information ratios can be increased by targeting constant volatility over time …
Persistent link: https://www.econbiz.de/10012966327
This paper examines the relation between equity portfolio diversification choices of individual investors and stock … diversification clientele based portfolios can explain cross-sectional variations in returns for a considerable subset of stocks. The … diversification choices of individual investors influence stock returns …
Persistent link: https://www.econbiz.de/10014236135
diversification advantages offered by equity market of Pakistan through comparing its performance to performances in other markets and … cost as liquidity measures. Findings - Pakistan's equity offers substantial diversification benefits if added to developed …
Persistent link: https://www.econbiz.de/10014339149
Persistent link: https://www.econbiz.de/10014494675