Results 121 to 130 of about 503,543 (339)
Hedge fund strategies, performance &diversification: A portfolio theory & stochastic discount factor approach [PDF]
, 2021 David Newton +4 more
openalex +1 more source
British Journal of Clinical Pharmacology, EarlyView.Aims Graduating medical students consistently report being unprepared for the complexity of prescribing in clinical practice. Current clinical prescribing teaching and authentic assessment are limited due to patient safety concerns. We aimed to examine the educational utility of supervised preprescribing as a learning process and potential authentic ...
Kellie A. Charles +7 more
wiley +1 more source
Linear statistical inference for global and local minimum variance portfolios [PDF]
Traditional portfolio optimization has been often criticized since it does not account for estimation risk. Theoretical considerations indicate that estimation risk is mainly driven by the parameter uncertainty regarding the expected asset returns rather
Frahm, Gabriel
core
British Journal of Clinical Pharmacology, EarlyView.Spinal muscular atrophy (SMA) is a severe neuromuscular disease with emerging therapeutic complexity. This review aims to systematically map the global pipeline of investigational treatments for SMA. Using ClinicalTrials.gov and complementary international registries, we identified 21 planned or ongoing interventional trials from 2020 to 2025 targeting
Andrej Belančić +7 more
wiley +1 more source
The Value of a Probability Forecast from Portfolio Theory
, 2006 David James Johnstone
openalex +1 more source
AI voice journaling for future language teachers: A path to well‐being through reflective practices
British Educational Research Journal, EarlyView.Abstract This study aimed to explore the perceived impact of using an AI‐powered voice journaling app in overcoming the challenges and stressors encountered by senior students enrolled in teaching practicum at an English Language Teaching Bachelor's programme.
Bora Demir, Duygu Özdemir
wiley +1 more source
British Educational Research Journal, EarlyView.Abstract Academic misconduct appeal services have quietly emerged within China's education marketplace, with commercial agencies promoting themselves on social media to assist international students facing misconduct hearings. While existing research on academic integrity has emphasized prevention and detection, far less attention has been paid to what
Gengyan Tang +2 more
wiley +1 more source
International Journal of Financial StudiesIn this study, we investigate the return propagation mechanism, hedging effectiveness, and portfolio performance across several common agricultural commodities, crude oil, and S&P 500 index, ranging from July 2000 to June 2024 by using a time-varying ...
Xuan Tu, David Leatham
doaj +1 more source
Understanding the Impact of Weights Constraints in Portfolio Theory [PDF]
In this article, we analyze the impact of weights constraints in portfolio theory using the seminal work of Jagannathan and Ma (2003). They show that solving the global minimum variance portfolio problem with some constraints on weights is equivalent to ...
Roncalli, Thierry
core +1 more source