Results 131 to 140 of about 7,301,086 (391)

A Versatile Setup for Determining Hydrogen and Oxygen Crossover of Electrolyzer Membranes and MEAs

Chemie Ingenieur Technik, EarlyView.
Hydrogen and oxygen crossover in PEM electrolyzers affects safety, efficiency and gas purity. We present an experimental setup to quantify crossover through membranes and polymers. It allows in‐situ tests on full cells with MEAs and measures gas permeation in wet or dry ionomers and other polymers.
Leander Treutlein, Ali Javed, Tobias Hilche, Hans Kungl, André Karl, Eva Jodat, Rüdiger‐A. Eichel   +6 more
wiley   +1 more source

Alocação de ativos no mercado acionário brasileiro segundo o conceito de downside risk Asset allocation in the Brazilian stock market according to the downside risk strategy

REGE Revista de Gestão, 2006
O artigo compara a abordagem tradicional de média-variância na determinação de portfólios eficientes com a abordagem de risco assimétrico (downside risk), que substitui a variância pela semivariância ou outro LPM (Lower Partial Moment).
Fabio Wendling Muniz de Andrade
doaj  

Downside risk applied to bankruptcy predicting models

Cogent Economics & Finance
This study investigates the effectiveness of business failure prediction models for Pakistani companies. The research examines three well-known models: Altman’s Z-Score, Ohlson’s O-Score and Shumway’s hazard model.
Usama Saleem, Umara Noreen, Attayah Shafique, Nevi Danila   +3 more
doaj   +1 more source

Revisiting the Home Bias Puzzle. Downside Equity Risk [PDF]

Deviations from normality in financial return series have led to the development of alternative portfolio selection models. One such model is the downside risk model, whereby the investor maximizes his return given a downside risk constraint.
Rachel A. Campbell, Roman Kräussl
core  

In Vivo Cytoskeletal AMPA Receptor Transport Imaging in C. elegans

Cytoskeleton, EarlyView.
ABSTRACT Long‐distance intracellular transport of ionotropic glutamate receptors (iGluRs) is essential for proper excitatory synaptic function underlying learning and memory. Many neuropsychiatric and neurodegenerative conditions have abnormal iGluR transport and trafficking, leading to an intense interest in the mechanisms and factors regulating these
Michaelis A. K., Hoerndli F. J.
wiley   +1 more source

Upside and Downside Risk in Online Security for Older Adults with Mild Cognitive Impairment

International Conference on Human Factors in Computing Systems, 2019
Older adults are rapidly increasing their use of online services such as banking, social media, and email - services that come with subtle and serious security and privacy risks.
Helena M. Mentis, G. Madjaroff, Aaron K. Massey   +2 more
semanticscholar   +1 more source

Market Perceptions of ESG Reputational Risk in the US Pharmaceutical Industry

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Negative ESG‐related reputational events generate significant corporate risks, particularly within sensitive sectors such as the pharmaceutical industry. Using novel reputational data, this research investigates investor perceptions of the consequences of experienced ESG breaches among US pharmaceutical firms.
Erdinc Akyildirim, Shaen Corbet, Jose Antonio Muñiz, Frank Scrimgeour   +3 more
wiley   +1 more source

Redox Biocatalysis in Lidocaine‐Based Hydrophobic Deep Eutectic Solvents: Non‐Conventional Media Outperform Aqueous Conditions

ChemSusChem, Volume 18, Issue 6, March 15, 2025.
Two hydrophobic DESs, lidocaine/oleic acid and lidocaine/decanoic acid, were utilized as reaction media that were enzyme‐compatible and highly substrate‐solubilizer for carbonyl reduction catalyzed by horse liver alcohol dehydrogenase, focusing on the effect of water contents and on maximizing substrate loadings, which showcases for the first time the ...
Ningning Zhang, Viktoria Lahmann, Jan Philipp Bittner, Pablo Domínguez de María, Sven Jakobtorweihen, Irina Smirnova, Selin Kara   +6 more
wiley   +1 more source

What about the Women? Female Headship, Poverty and Vulnerability in Thailand and Vietnam [PDF]

This paper investigates whether different types of female?headed households in Thailand and Vietnam are disadvantaged in terms of current consumption, exposure to shocks, consumption smoothing capacities, as well as vulnerability to poverty and downside ...
Klasen, Stephan, Lechtenfeld, Tobias, Povel, Felix   +2 more
core  

When Are Statistical Forecast Gains Economically Relevant? Evidence From Bitcoin Returns

Journal of Forecasting, EarlyView.
ABSTRACT We study how statistical forecast gains for Bitcoin translate into trading profits. Using real‐time out‐of‐sample forecasts from daily bivariate VARs from October 2021 to February 2024, we show that Bitcoin returns are forecastable and that seven predictive indices yield significant gains in directional accuracy (DA).
Rehan Arain, Stephen Snudden
wiley   +1 more source