Quality issues of implied volatilities of index and stock options in the OptionMetrics IvyDB database
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DOI: 10.1002/fut.22495
Abstract: For stock and index options in the United States, OptionMetrics records prices at 3:59 p.m., not 4:00 p.m. as assumed in previous literature. The resulting 1‐min time discrepancy with closing share prices creates artificial variability in implied… read more here.
Keywords: stock options; quality issues; index; stock ... See more keywords
Quality issues in co-authorship data of a national scientific community
Sign Up to like & getrecommendations! Published in 2023 at "Network Science"
DOI: 10.1017/nws.2022.40
Abstract: Abstract A stream of research on co-authorship, used as a proxy of scholars’ collaborative behavior, focuses on members of a given scientific community defined at discipline and/or national basis for which co-authorship data have to… read more here.
Keywords: authorship data; scientific community; quality issues; community ... See more keywords
Mitigation of power quality issues for grid connected photo voltaic system using soft computing techniques
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Interdisciplinary Mathematics"
DOI: 10.1080/09720502.2020.1731968
Abstract: Abstract Now a days Alternating Current distribution and transmission systems are suffering from many power qualities issues, mainly due to the presence of complex equipment in the residential, commercial, industrial applications. Power quality issues in… read more here.
Keywords: quality; system; quality issues; photo voltaic ... See more keywords
Analysis and Mitigation of Power Quality Issues in Distributed Generation Systems Using Custom Power Devices
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2814981
Abstract: This paper discusses the power quality issues for distributed generation systems based on renewable energy sources, such as solar and wind energy. A thorough discussion about the power quality issues is conducted here. This paper… read more here.
Keywords: quality issues; power quality; power; issues distributed ... See more keywords
Quality issues in georeferencing: From physical collections to digital data repositories for ecological research
Sign Up to like & getrecommendations! Published in 2020 at "Diversity and Distributions"
DOI: 10.1111/ddi.13208
Abstract: Natural history collections constitute an enormous wealth of information of Life on Earth. It is estimated that over 2 billion specimens are preserved at institutions worldwide, of which less than 10% are accessible via biodiversity… read more here.
Keywords: issues georeferencing; quality issues; georeferencing physical; research ... See more keywords
Public Awareness of Air Quality Issues in Manhattan Chinatown
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DOI: 10.1177/00139165251342930
Abstract: Although governmental data showed that Manhattan Chinatown experiences one of the worst air qualities in New York City and has above the national average percentage of asthma cases, people there have been silent about the… read more here.
Keywords: quality; awareness air; air; quality issues ... See more keywords