Results 11 to 20 of about 12,487 (187)

Option volume and stock returns: evidence from single stock options on the Korea Exchange [PDF]

open access: yesSeonmul yeongu, 2021
Informed traders may prefer the options market to the stock market for reasons including the leverage effect, transaction costs, restrictions on short sale.
Mincheol Woo, Meong Ae Kim
doaj   +1 more source

Characterization of 2S albumin allergenic proteins for anaphylaxis in common buckwheat

open access: yesFood Chemistry: Molecular Sciences, 2022
2S albumin (2SA) is responsible for anaphylaxis following consumption of buckwheat in allergic individuals. To reduce allergen incidents, characterization of 2SA polypeptides is prerequisite, thus was analyzed in this study. Of the five 2S albumin genes (
Tomoyuki Katsube-Tanaka   +1 more
doaj   +1 more source

Are cryptocurrencies safe havens during the COVID-19 pandemic? A threshold regression perspective with pandemic-related benchmarks

open access: yesEconomics and Business Review, 2022
The paper employs a threshold regression framework conditioned by two COVID-19 related proxies, to investigate whether Bitcoin and Ether exhibit short-term safe haven or diversifier features for stock and bond markets.
Barbu Teodora Cristina   +2 more
doaj   +1 more source

G13-dependent Activation of MAPK by Thyrotropin [PDF]

open access: yesJournal of Biological Chemistry, 2008
Stimulation of the thyrotropin receptor (TSHR) activates G proteins of all four subfamilies (G(s), G(i/o), G(q/11), and G(12/13)). Whereas G(s)/cAMP-dependent cellular responses upon TSHR stimulation are well established, other signaling pathways are less characterized.
Büch, Thomas R. H.   +8 more
openaire   +3 more sources

Indian and Chinese Metal Futures Markets: A Linkage Analysis

open access: yesActa Universitatis Sapientiae: Economics and Business, 2022
This paper aims to test the long-run and short-run relationships between the Indian and Chinese metal futures markets using the weekly closing prices of three nonferrous metals, that is, copper, aluminium, and zinc, for the period of 2009–2020.
Kumar Ravi, Dhiman Babli
doaj   +1 more source

Serum-Based KRASG12/G13 Mutation Detection Using Droplet Digital PCR: Clinical Implications and Limitations in Colorectal Adenocarcinoma With Tumor Heterogeneity

open access: yesFrontiers in Oncology, 2021
BackgroundCell-free DNA (cfDNA) has arisen as an alternative target for evaluating somatic mutations in cancer. KRAS mutation status is critical for targeted therapy in colorectal adenocarcinoma (CRAC).
Ju Seok Kim   +4 more
doaj   +1 more source

Helping to keep History relevant: Multimedia and authentic learning

open access: yesJournal of Interactive Media in Education, 2009
The subject based curriculum attracts lively debate in many countries being accused of fragmenting teaching and learning, erecting artificial barriers and failing to teach the skills required in the twenty first century (Hazlewood 2005). Cross-curricular
Peter Hillis, Drew Calderhead
doaj   +1 more source

Modeling S&P500 returns with GARCH models

open access: yesLatin American Journal of Central Banking, 2023
This paper provides several estimates of the GARCH models’ parameters for the S&P500 index, based on returns and CBOE VIX. Using a daily sample collected from 2007 to 2022, we can conclude that adding the VIX information improves the estimates of the ...
Rodrigo Alfaro, Alejandra Inzunza
doaj   +1 more source

Strategic option pricing

open access: yesEconomics and Business Review, 2020
In this paper an extension of the well-known binomial approach to option pricing is presented. The classical question is: What is the price of an option on the risky asset?
Bieta Volker, Broll Udo, Siebe Wilfried
doaj   +1 more source

Detection of KRAS G12/G13 Mutations in Cell Free-DNA by Droplet Digital PCR, Offers Prognostic Information for Patients with Advanced Non-Small Cell Lung Cancer

open access: yesCells, 2020
KRAS mutations are found in approximately one third of non-small cell lung cancer (NSCLC) patients. In this study, we aim to investigate whether KRAS G12/G13 mutant allele fraction (MAF) in cell-free DNA (cfDNA) can provide meaningful prognostic ...
Kleita Michaelidou   +7 more
doaj   +1 more source

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