Results 61 to 70 of about 16,345 (198)
Abstract Background Improving feed quality, availability, and cost‐effectiveness is a big challenge for livestock to ensure animal‐derived food for nutritional security. The aim of the study was to find out how some natural ensiling additives affect physicochemical properties, proximate composition, microbial population, in vitro fermentation ...
A. B. M. Rubayet Bostami +4 more
wiley +1 more source
PORTFOLIO OPTIMIZATION UNDER CARDINALITY CONSTRAINTS: A METAHEURISTIC MEAN-VARIANCE APPROACH
The growing emphasis on sustainability in investment decisions necessitates portfolio optimization models that incorporate practical constraints, particularly asset cardinality. This study applies a Cardinality-Constrained Mean–Variance (CCMV) framework,
Juwita Nur Ihzza +2 more
doaj +1 more source
Measuring the Performance of Leveraged and Non‑Leveraged ETF’s
This paper deals with exchange traded funds (ETFs) and valuation it’s performance according to selected indicators. For empirical analysis 10 leveraged and non‑leveraged ETFs listed on US market is chosen according to selected criterias (adequate history
Martin Širůček +2 more
doaj +1 more source
A proof of concept for linking individual identity to camera traps
Small mammal movements are difficult to monitor, both visually and with remote tracking devices, due to the animals' small body size and elusive behavior. Cameras deployed at fixed locations can provide continuous, non‐invasive records in natural habitats, yet camera‐derived indices remain sparsely validated and generally do not allow inference at the ...
Magne Neby
wiley +1 more source
Social Dynamics in Zoo‐Housed Bush Dogs (Speothos venaticus) Following Group Changes
We observed a pack of bush dogs over 10 months to measure changes in group structure following the birth of a pup and removal of an adult female. The pack displayed a robust social network and a single social hierarchy, with higher ranking members having more influence on collective movements.
Alice S. Clark +4 more
wiley +1 more source
Book Value Risk Management of Banks: Limited Hedging, HTM Accounting, and Rising Interest Rates
ABSTRACT We document that as interest rates rose in 2022, banks largely left long‐duration assets exposed to interest rate risk while shielding the accounting value of their balance sheets. Call report and Securities and Exchange Commission (SEC) data show that only about 6% of U.S.
João Granja +4 more
wiley +1 more source
Effect of the microbiome on pathogen susceptibility across four Drosophilidae species
Four Drosophilidae species were used to investigate how variation in the host microbiome influences susceptibility to infection. Microbial composition and abundance differed among species and treatments. The effects of microbiome manipulation on host survival were both species‐ and pathogen‐specific.
Hongbo Sun, Ben Longdon, Ben Raymond
wiley +1 more source
ABSTRACT We find that banking relationships built through institutional cross‐ownership influence the granting of loans as well as loan contract terms. Firms that are newly added to institutional cross‐owners' portfolios are more likely to borrow from banks that previously issued loans to other firms within the same portfolio.
Zhiming Ma +3 more
wiley +1 more source
Optimizing Investment Portfolios with Bacterial Foraging and Robust Risk Management
This study introduces a novel portfolio optimization approach that combines Bacterial Foraging Optimization (BFO) with risk management techniques and Sharpe ratio analysis. BFO, a nature-inspired algorithm, is employed to construct diversified portfolios,
Hubert Zarzycki
doaj +1 more source
The Value of Financial Advice and Portfolio Rebalancing for Retirement Savings
ABSTRACT Utilising a sample of over 55,000 retirement portfolio rebalances, we examine (i) who seeks financial advice prior to rebalancing, and (ii) compare portfolio outcomes between advised and self‐directed rebalances. We find that wealthier, older, and female members are more likely to receive financial advice prior to rebalancing, and that advice ...
Kirsten L. MacDonald +3 more
wiley +1 more source

