Results 51 to 60 of about 277,143 (293)

Semi-Continuous Spatial Statistical Analysis Using AIS Data for Vessel Traffic Flow Characteristics in Fairway

open access: yesJournal of Marine Science and Engineering, 2021
As high vessel traffic in fairways is likely to cause frequent marine accidents, understanding vessel traffic flow characteristics is necessary to prevent marine accidents in fairways.
Jong Kwan Kim
doaj   +1 more source

Analyzing individual rent price ratios in eastern German agricultural land markets: A GAMLSS approach

open access: yesAgribusiness, EarlyView.
Abstract This study explores the rent price ratio in agricultural land markets, crucial for evaluating market efficiency, policy needs, and farmer decision‐making. Traditionally, the analyses faced challenges due to the absence of concurrent sale and rent data for the same land, potentially leading to biased results.
Marius Michels   +4 more
wiley   +1 more source

A New Goodness of Fit Test for Multivariate Normality and Comparative Simulation Study

open access: yesMathematics, 2021
The testing of multivariate normality remains a significant scientific problem. Although it is being extensively researched, it is still unclear how to choose the best test based on the sample size, variance, covariance matrix and others.
Jurgita Arnastauskaitė   +2 more
doaj   +1 more source

Return and Volatility Spillovers Among Major Cotton Markets

open access: yesAgribusiness, EarlyView.
ABSTRACT This study explores return and volatility transmission among major cotton markets. Several events have disrupted cotton supply and demand in recent years, leading to heightened price volatility and significant shifts in market interconnections.
Susmitha Kalli   +3 more
wiley   +1 more source

Investigation on the Surface Quality Obtained during Trochoidal Milling of 6082 Aluminum Alloy

open access: yesMachines, 2021
Surface quality has always been an important goal in the manufacturing industry, as it is not only related to the achievement of appropriate geometrical tolerances but also plays an important role in the tribological behavior of the surface as well as ...
Nikolaos E. Karkalos   +4 more
doaj   +1 more source

Market panic on different time-scales [PDF]

open access: yes, 2010
Cross-sectional signatures of market panic were recently discussed on daily time scales in [1], extended here to a study of cross-sectional properties of stocks on intra-day time scales.
Borland, Lisa, Hassid, Yoan
core  

Pricing Dynamics in the US Hemp Market: A Vertical Price Transmission Analysis of the Hemp Value Chain

open access: yesAgribusiness, EarlyView.
ABSTRACT The US hemp market is a new and nascent industry that has been devoid of research for about half a century. This study examined the effects of exogenous shock on price at each phase of the value chain—Farm (hemp biomass), and its impact on prices at other phases of the value chain—Intermediary Processor (crude cannabidiol hemp) and Final ...
Solomon Odiase   +2 more
wiley   +1 more source

Quantitative Analysis on the Proportion of Renewable Energy Generation Based on Broadband Feature Extraction

open access: yesApplied Sciences, 2022
With the massive access of distributed renewable energy sources, many uncertain renewable energy power components have been added to the low-voltage lines in substations in addition to the loads of definite classification. From the perspective of economy
Li Chen   +4 more
doaj   +1 more source

Diffusion Kurtosis Imaging [PDF]

open access: yes, 2020
Diffusion Kurtosis Imaging (DKI) is an advanced imaging technique that expands the utility of diffusion-weighted imaging (DWI) and diffusion tensor imaging (DTI). Kurtosis is a measure of skewness of the shape of a probability distribution, which reflects the deviation of a given distribution from the normal Gaussian distribution.
Jiachen Zhuo, Rao P. Gullapalli
openaire   +2 more sources

Consumer Acceptance of New Sustainable Food Technologies: Upcycling Technology, Biostimulants, and Artificial Intelligence

open access: yesAgribusiness, EarlyView.
ABSTRACT Food systems have a significant impact on environmental sustainability, underscoring the need for innovative technologies to support more sustainable agricultural methods. However, the adoption of these technologies hinges on consumer acceptance, making the analysis of consumer perceptions essential.
Greta Castellini, Guendalina Graffigna
wiley   +1 more source

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