Results 61 to 70 of about 8,785 (266)

Dynamic hedging of 50ETF options using Proximal Policy Optimization

Journal of Automation and Intelligence
This paper employs the PPO (Proximal Policy Optimization) algorithm to study the risk hedging problem of the Shanghai Stock Exchange (SSE) 50ETF options.
Lei Liu, Mengmeng Hao, Jinde Cao
doaj   +1 more source

What do we really know about corporate hedging? A meta-analytical study

Business Research, 2017
This paper employs meta-analysis to aggregate and systematically analyze the mixed empirical evidence on the determinants of corporate hedging reported in 132 previously published studies covering data from more than 73,000 firms.
Jerome Geyer-Klingeberg, Markus Hang, Andreas W. Rathgeber, Stefan Stöckl, Matthias Walter   +4 more
doaj   +1 more source

Multi‐method analysis for the three‐dimensional reconstruction of muscle fascicles from DiceCT datasets

The Anatomical Record, EarlyView.
Abstract Muscle architecture is a major determinant of muscle performance and, in mammalian lineages, has been correlated with both feeding ecology and locomotor behaviors. Over the past decade, contrast‐enhanced micro‐CT (DiceCT) has emerged as an alternative to traditional dissection‐based measurement.
Aleksandra Ratkiewicz, Michael C. Granatosky, Cassidy E. Davis, Julia Molnar, Adam Hartstone‐Rose, Edwin Dickinson   +5 more
wiley   +1 more source

Comparative Meta‐Analysis of Antimicrobial Peptides in Aquatic and Terrestrial Livestock Species

Animal Research and One Health, EarlyView.
A global meta‐analysis of 58 studies (926 effect sizes and 29 species across five taxa) revealed that dietary antimicrobial peptides generally improve growth performance, blood metabolites, and immune responses. The greatest benefits were observed in omnivorous livestock, such as pigs and chickens. Dose‐duration effects were evident. An optimal outcome
Lily Liu, Xu Luo, Qin Zhang, Jinhai Wang, Alan E. Wilson   +4 more
wiley   +1 more source

Remote Roca: Integrating Data From Archaeological Survey, Remote Sensing and Geophysics in the Hinterland at the Long‐Lasting Mediterranean Site of Rocavecchia (Apulia, Italy)

Archaeological Prospection, EarlyView.
ABSTRACT This study presents a multi‐method non‐invasive investigation of an approximately 4‐ha area associated with the long‐occupied coastal settlement of Rocavecchia (Apulia, southern Italy), situated between the prehistoric fortified peninsula and the Hellenistic‐Messapian walls.
Giuseppe Guarino, Francesco Iacono, Giovanna Agostini, Davide Susini   +3 more
wiley   +1 more source

Kesiapan Penerapan Hedging Syariah pada Perbankan Indonesia

Al-tijary, 2019
sharia hedging/ hedging transactions based on DSN Fatwa No. 96 by using sharia commodity instruments is a new thing in Indonesia, so that more in-depth studies are needed to analyze the readiness of Islamic banks in implementing sharia hedging / hedging ...
Yunisa Fitriana
doaj   +1 more source

Metaverse‐based virtual reality and spatial learning in cervicofacial anatomy: A curriculum‐embedded comparative study in undergraduate medical students

Anatomical Sciences Education, EarlyView.
Abstract To compare a metaverse‐based interactive virtual reality (VR) session with a conventional 2D online lecture for learning cervicofacial anatomy. Single‐center, curriculum‐embedded, nonrandomized comparative study. Fourth‐year students attended a Zoom lecture (Conventional, n = 73); sixth‐year students completed an interactive VR session using ...
Taku Ito, Hidekazu Kawasaki, Ayame Yamazaki, Yoshimaru Mizoguchi, Kumiko Yamaguchi, Eiji Kaneko, Takeshi Tsutsumi   +6 more
wiley   +1 more source

A Robust Approach to Hedging and Pricing in Imperfect Markets

Risks, 2017
This paper proposes a model-free approach to hedging and pricing in the presence of market imperfections such as market incompleteness and frictions.
Hirbod Assa, Nikolay Gospodinov
doaj   +1 more source

Young children's right to be heard on the quality of their education: Addressing potential misunderstandings in the context of early childhood education

British Educational Research Journal, EarlyView.
Abstract In early childhood education many researchers and professionals across the world have embraced the United Nations Convention on the Rights of the Child's requirement to include young children in decision‐making. In the context of ongoing discussion about young children's capacity to share their views and opinions about matters affecting them ...
Laura Lundy, Colette Murray, Kylie Smith, Carmel Ward   +3 more
wiley   +1 more source

Choosing not to choose: Hedging as a category of neutrality

European Journal of International Security
The concept of hedging has been recently introduced and has been gaining traction in International Relations (IR) literature. So far, the notion has been mainly employed to make sense of the strategic behaviour of some south-east Asian secondary states ...
Fabio Figiaconi
doaj   +1 more source