Results 11 to 20 of about 160,839 (311)
SSRN Electronic Journal, 2013 We examine whether fundamental measures of volatility are incremental to market based measures of volatility in (i) predicting bankruptcies (out of sample), (ii) explaining cross-sectional variation in credit spreads, and (iii) explaining future credit excess returns.
Correia, Maria +2 more
openaire +3 more sources
Chemical Cues in Tritrophic Interaction on Biocontrol of Insect Pest [PDF]
Journal of Pure and Applied Chemistry Research, 2017 Tritrophic interaction among host plant-herbivore-parasitoid involves chemical cues. The infested plant by herbivores has been reacted to produce volatiles which is a cue used by the herbivore parasitoids for host location.
Nurindah Nurindah +3 more
doaj +1 more source
Toxics, 2020 Country-level differences in nicotine vaping products used and biomarkers of exposure among long-term e-cigarette users and dual users remain understudied. This cross-sectional study was conducted in 2014 in the United States (n = 166), United Kingdom (n
Danielle M. Smith +8 more
doaj +1 more source
Microorganisms, 2022 Bacterial volatiles play important roles in mediating beneficial interactions between plants and their associated microbiota. Despite their relevance, bacterial volatiles are mostly studied under laboratory conditions, although these strongly differ from
Aurélie Gfeller +4 more
doaj +1 more source
HortScience, 2022 Rain-shelter cultivation could protect grape berries from many diseases and affect grape berry quality. However, there have been few studies of the effects of rain-shelter cultivation on the accumulation of volatiles in Shuijing grapes grown in Yunnan ...
Qingyang Sun +9 more
doaj +1 more source
Volatility Forecasting for Low-Volatility Investing
SSRN Electronic Journal, 2022 Low-volatility investing often involves sorting and selecting stocks based on retrospective risk measures, for example, the historical standard deviation of returns. In this paper, we use the volatility forecasts from a wide spectrum of volatility models to sort and select stocks and estimate portfolio weights.
Christian Conrad +2 more
openaire +2 more sources
Aphid acceptance of Hordeum genotypes is affected by plant volatile exposure and is correlated with aphid growth [PDF]
, 2009 Nineteen genotypes of Hordeum vulgare were characterized as partially resistant or susceptible regarding growth of the bird cherry - oat aphid (Rhopalosiphum padi L.).
Ninkovic, Velemir, Åhman, Inger
core +1 more source
Journal of Futures Markets, 1999 The forecasting ability of the most popular volatility forecasting models is examined and an alternative model developed. Existing models are compared in terms of four attributes: (1) the relative weighting of recent versus older observations, (2) the estimation criterion, (3) the trade-off in terms of out-of-sample forecasting error between simple and
Ederington, Louis H., Guan, Wei
openaire +1 more source
Foods, 2021 The loss of volatiles results in the deterioration of flavor in tomatoes. Volatiles are mainly derived from fatty acid, carotenoid, phenylpropane, and branched chain amino acids. In this study, the tomato accession CI1005 with a strong odor and accession
Guo-Ting Cheng +8 more
doaj +1 more source
A review of volatiles in the Martian interior [PDF]
, 2016 Multiple observations from missions to Mars have revealed compelling evidence for a volatile-rich Martian crust. A leading theory contends that eruption of basaltic magmas was the ultimate mechanism of transfer of volatiles from the mantle toward the ...
Baratoux, David +10 more
core +1 more source