Results 141 to 150 of about 333,292 (283)
Size and value anomalies under regime shifts [PDF]
This paper finds strong evidence of time-variations in the joint distribution of returns on a stock market portfolio and portfolios tracking size- and value effects. Mean returns, volatilities and correlations between these equity portfolios are found to
Allan Timmerman, Massimo Guidolin
core
Chlorella vulgaris biorefineries: sustainable biofuels and high‐value carbon capture
Abstract Global reliance on fossil fuels has created urgent economic and environmental challenges, yet large‐scale use of algal biomass remains limited by production costs. Industrial scaling is constrained by inefficient harvesting and the technical challenges of processing recalcitrant cell walls.
Sandyelle Ferreira Alcântara Araújo +13 more
wiley +1 more source
Abstract The long‐term viability of Jatropha curcas as a biodiesel feedstock has been widely debated. Many early initiatives failed to deliver consistent economic returns despite promising environmental attributes. This study re‐evaluated J. curcas‐based systems within an integrated environmental–economic framework, focusing on their potential role in ...
Eduardo Sansão Sozinho Maurício +3 more
wiley +1 more source
Prescribing competence: The pros and cons of different methods for assessment
Evaluating a medical graduate’s competence in rational prescribing is challenging. With the aim to guide and inspire teachers, this narrative review explores different methods that can be used to assess prescribing competence. Each method has its own advantages and disadvantages, and thus a mix of different assessment methods is needed throughout the ...
David J. Brinkman +3 more
wiley +1 more source
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
Portfolio Concentration and the Performance of Individual Investors [PDF]
Using data on the investments a large number of individual investors made through a discount broker from 1991 to 1996, we find that the stock trades by households with concentrated portfolios outperform those with diversified portfolios. While in general
Clemens Sialm +2 more
core
Small and mid‐sized pharmaceutical innovators often have limited in‐house health economics and market access expertise, and may struggle to align development strategies of investigational medicinal products with health system needs and payer expectations.
Zoltán Kaló +5 more
wiley +1 more source
Abstract Aim The aim of this study was to assess the general and product‐specific experiences of MAHs use of RWD/RWE in medicines development and in their regulatory submissions, and to explore organizational aspects of MAHs related to RWD/RWE. Methods An electronic survey was conducted, and information collected directly from MAHs.
Sini M. Eskola +5 more
wiley +1 more source
Excess Based Allocation of Risk Capital [PDF]
In this paper we propose a new rule to allocate risk capital to portfolios or divisions within a firm. Specifically, we determine the capital allocation that minimizes the excesses of sets of portfolios in lexicographical sense.
De Waegenaere, A.M.B. +2 more
core +1 more source

