Results 41 to 50 of about 451 (149)
Revista de Métodos Cuantitativos para la Economía y la Empresa, 2018 In a passive investing strategy through indexation, the portfolio performance will depend largely on the ability to choose the best index. In this paper, we study the performance of four of the main stock indices in Mexico with the intention of selecting
Samaniego, Ángel +1 more
doaj
Nexus of Whey Proteins, Gut Dysbiosis, and Colonic Health
Food Science &Nutrition, Volume 14, Issue 2, February 2026.Whey proteins possess antimicrobial and prebiotic properties that modulate gut microbiota by promoting beneficial bacteria like Bifidobacterium while suppressing pathogens. This modulation enhances short‐chain fatty acid production and strengthens intestinal barrier integrity, potentially alleviating dysbiosis‐related conditions such as colitis and ...
Tolulope Joshua Ashaolu +4 more
wiley +1 more source
Portfolio Selection and Optimization in Romanian and Polish Stock Markets
Studies in Business and EconomicsThis research aims to explore the selection and optimization of stocks from two Eastern European markets, Romania and Poland, starting from the maximum return criterion, downside risk, and Sortino ratio when building a portfolio.
Șerban Radu-Alexandru +2 more
doaj +1 more source
Presenting an Appropriate Pattern to Determine Attractive Companies for Investment (Case Study: Registered Companies in Tehran Stock Exchange and Active in Chemical Industries [PDF]
تحقیقات مالی, 2015 The purpose of this study was proposing a suitable pattern for evaluating and assessing companies. To reach this important goal, the fuzzy Delphi method (FDM was employed.
Abbas Abbasi +2 more
doaj +1 more source
River, Volume 5, Issue 1, Page 134-154, February 2026.Abstract This study presents an integrated flood forecasting and inundation mapping framework using coupled SWAT, HEC‐HMS, and HEC‐RAS models for the Muga River basin in the Abay Basin, Ethiopia. The study addresses the limited application of integrated hydrologic–hydraulic modeling and the uncertainty associated with digital elevation model (DEM ...
Yikeber Ayenew Zeleke +2 more
wiley +1 more source
AIThis study addresses the challenge of high signal-to-noise ratios in financial sentiment analysis by introducing a hybrid, multi-stage AI framework.
Johannes Stübinger, Luis Wöhner
doaj +1 more source
Toward a working definition of ketogenic diet resistance in GLUT1 deficiency syndrome
Epileptic Disorders, Volume 27, Issue 6, Page 1247-1254, December 2025.Abstract Objective The ketogenic diet (KD) is the standard treatment for glucose transporter type 1 deficiency syndrome (GLUT1‐DS), typically yielding seizure reduction and cognitive/motor gains. However, a small subset of patients shows limited or no clinical benefit.
Raffaele Falsaperla +8 more
wiley +1 more source
Alternative measures and decomposition of mutual funds portfolio performance [PDF]
Bankarstvo, 2018 In addition to the well-established and most commonly used portfolio performance measures, both in theory and practice - the Sharpe ratio, the Treynor ratio and the Jensen's or alpha index, the financial literature also includes other alternative ...
Leković Miljan
doaj
Tunable BIC metamaterials with Dirac semimetals
Nanophotonics, Volume 14, Issue 27, Page 4875-4925, December 2025.Abstract Proposed by von Neuman and Wigner in 1929, bound states in the continuum (BIC) exhibit the merits of ultrahigh Q–factor and strongly confined modes, solving the inherent high dissipation of metamaterials (MMs) and plasmonic devices. Dirac semimetal (DSM) possesses the advantages of high carrier mobility and outstanding tunable properties ...
Xiaoyong He, Wenhan Cao, Fangting Lin
wiley +1 more source
Real estate investment trusts: A price-based risk-adjusted performance study in South Africa
Acta CommerciiOrientation: The study examined the price-based, risk-adjusted return performance of South African real estate investment trusts (REITs) relative to alternative benchmark investments.
Jonathan Tembo, Chioma Okoro
doaj +1 more source