Results 221 to 230 of about 252,374 (388)

Retail investor attention and stock return volatility: The moderating role of ownership concentration in China

open access: yesReview of Financial Economics, EarlyView.
Abstract We examine how ownership concentration (OC) moderates the relationship between retail investor attention and stock return volatility. We use the aggregate search frequency from the Baidu search index and the shareholding of the largest 10 shareholders as proxies for retail investor attention and OC.
Wenbin Hu, Hui Sun
wiley   +1 more source

Herd behavior towards the market index: Evidence from 21 financial markets [PDF]

open access: yes
This paper uses the cross-sectional variance of the betas to study herd behavior towards the market index in major developed and emerging financial markets (categorized as Developed group, Asian group, and Latin American group).
Wang, Daxue
core  

A Framework to Enable Eco‐Cyber‐Physical Systems for Robotics‐Focused Digital Twins in Smart Farming

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT This paper introduces the R‐ECPS (Robotics‐focused Eco‐Cyber‐Physical System) framework for the development of robotics‐enabled digital twins, integrating human knowledge into the decision‐making process. Our framework adapts ECPS and Digital Twin (DT) definitions to agricultural field robotics.
Fiorella Sibona   +7 more
wiley   +1 more source

How to achieve accurate wildlife detection by using vehicle‐mounted mobile monitoring images and deep learning?

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
This paper introduces an enhanced Yolo‐v7 model, namely Yolo‐v7(sr‐sm), which integrates a super‐resolution (SR) reconstruction module and a small object optimization module for vehicle‐mounted mobile monitoring of wildlife. We obtained images of four wildlife species (sheep, birds, deer, and antelope) on the Tibetan Plateau and constructed a wildlife ...
Leilei Shi   +6 more
wiley   +1 more source

Class Leaders in Agricultural College Herds

open access: bronze, 1923
H. P. Davis, Rüdiger Braun
openalex   +1 more source

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