Results 61 to 70 of about 1,041,681 (327)

Stochastic Volatility of Volatility in Continuous Time

open access: yesSSRN Electronic Journal, 2009
This paper introduces the concept of stochastic volatility of volatility in continuous time and, hence, extends standard stochastic volatility (SV) models to allow for an additional source of randomness associated with greater variability in the data.
Barndorff-Nielsen, Ole, Veraart, Almut
openaire   +3 more sources

Unlearning and Deradicalizing From White Christian Nationalism: Implications for Adult Learning and Education

open access: yesNew Directions for Adult and Continuing Education, EarlyView.
ABSTRACT Since the January 2021 attack on the US Capitol, the influence of White Christian nationalism (WCN) has become even more pronounced and concerning. Adult educators and the public need a better understanding of whether and how WCN can be unlearned, and the roles ordinary citizens and adult educators can play in this process.
Esther Prins
wiley   +1 more source

Volatility Co-Movement in Stock Markets

open access: yesMathematics, 2021
The volatility and log-price collective movements among stocks of a given market are studied in this work using co-movement functions inspired by similar functions in the physics of many-body systems, where the collective motions are a signal of ...
María Nieves López-García   +4 more
doaj   +1 more source

VOLATILIZATION OF PLATINUM. [PDF]

open access: yesJournal of the American Chemical Society, 1904
n ...
Hulett, G. A., Berger, H. W.
openaire   +2 more sources

Evaluation of internal target volume of abdominal tumors using cine‐MRI

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Introduction The detailed anatomy visualization with magnetic resonance (MR)‐guided radiotherapy is particularly attractive for abdominal treatments, but patient respiratory motion can compromise image quality. The “navigator technique” produces high‐quality 3D images, triggered by diaphragm displacement, in exhale phase only.
Jessica Lye   +8 more
wiley   +1 more source

"Investor attention fluctuation and stock market volatility: Evidence from China".

open access: yesPLoS ONE, 2023
This paper examines the linkage between Chinese stock market volatility and investor attention fluctuation. In Heterogeneous autoregressive (HAR) model, first, we analyzed the linkage between both decomposed and undecomposed stock market realized ...
Taiji Yang, Siqi Zhuo, Yongsheng Yang
doaj   +1 more source

Transmission of Volatility between Stock Markets

open access: yes, 1989
This paper investigates why, in October 1987, almost all stock markets fell together despite widely differing economic circumstances. The idea is that "contagion" between markets occurs as the result of attempts by rational agents to infer information ...
M. King, S. Wadhwani
semanticscholar   +1 more source

Towards better understanding of factors contributing to medical physicist well‐being in academic medical centers: A systems‐analysis approach

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract The well‐being of medical physicists can impact overall system performance, patient safety, and quality of patient care. There are limited formal assessments of factors contributing to physicists well‐being. Nine medical physicists at a US academic medical center were surveyed on 21 workplace factors, drawn from the National Academy of ...
Elizabeth Kwong   +13 more
wiley   +1 more source

Modeling and Forecasting Realized Volatility

open access: yes, 2001
This paper provides a general framework for integration of high-frequency intraday data into the measurement, modeling, and forecasting of daily and lower frequency volatility and return distributions.
T. Andersen   +3 more
semanticscholar   +1 more source

Volatility impacts on the European banking sector: GFC and COVID-19

open access: yesAnnals of Operations Research, 2022
This paper analyses the volatility transmission between European Global Systemically Important Banks (GSIBs) and implied stock market volatility. A Dynamic Conditional Correlation Generalized Autoregressive Conditional Heteroskedasticity model is applied
J. Batten   +3 more
semanticscholar   +1 more source

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