We study the term structure of variance (total risk), systematic and idiosyncratic risk. Consistent with the expectations hypothesis, we find that, for the entire market, the slope of the term structure of variance is mainly informative about the path of future variance. Thus, there is little...

We propose a dynamic factor state-space model for high-dimensional covariance matrices of asset returns. It uses observed risk factors and assumes that the latent covariance matrix of assets and factors is observed through their realized covariance matrix with a Wishart measurement density. The...

A novel dynamic asset-allocation approach is proposed where portfolios as well as portfolio strategies are updated at every decision period based on their past performance. For modeling, a general class of models is specified that combines a dynamic factor and a vector autoregressive model and...

The low-risk anomaly challenges traditional financial theory by stating that less volatile stocks generate higher risk-adjusted returns. This paper explores how various portfolio construction choices influence the performance of low-risk portfolios. We show that methodological decisions...

This study aims to explore the potential impact of the anticipated Georgian Real Estate Investment Trusts (REITs) on the performance of investment portfolios. Due to the absence of Georgian REITs, a simulated financial asset representing a Georgian Residential REIT was engineered. The study...

Artificial intelligence has evolved from early concepts like Turing's machine to today's advanced vision, machine learning and neural networks. AI revolutionizes various industries: manufacturing processes, financial services, healthcare and energy management. These applications highlight AI's...

While static factor-based investing is nowadays a common way of allocating portfolios, the next step, a dynamic progression towards time-varying components and factor cyclicity, is still far less established. This study offers a survey on the state of the art of factor timing in asset management...

This paper explores how various portfolio construction choices influence the performance of low-risk portfolios. We show that methodological decisions critically influence portfolio outcomes, causing substantial dispersion in performance metrics across weighting schemes and risk estimators. This...

Many countries seek to improve their pension systems by introducing corporate and individual savings plans to address the challenges of demography, social security, and economy. However, the establishing of a long-term, reliable savings system encounters multiple impediments. The retrospective...

We study the credit risk of banks in Germany from lending to non-financial firms. We model changes in Expected Credit Loss, which is derived from the guidelines in the IFRS 9 accounting standard. We map the accounting model to a dataset with individual loans as the unit of observation...