Results 41 to 50 of about 231,323 (314)

Food Price Volatility [PDF]

open access: yesPhilosophical Transactions of the Royal Society B: Biological Sciences, 2010
The high food prices experienced over recent years have led to the widespread view that food price volatility has increased. However, volatility has generally been lower over the two most recent decades than previously. Variability over the most recent period has been high but, with the important exception of rice, not out of line with historical ...
C. L. Gilbert, C. W. Morgan
openaire   +4 more sources

VOLATILITY ANALYSIS USING THE EGARCH METHOD: CASE STUDY OF BBCA, BMRI, BRIS

open access: yesAssets: Jurnal Akuntansi dan Pendidikan
This study aimed to test the volatility model of BBCA and BMRI stocks on the IDX. The research problem is whether there is an influence of BBCA and LQ45 volatility on BMRI and vice versa.
Suhendro Suhendro, Purnama Siddi
doaj   +1 more source

Volatile Metabolites [PDF]

open access: yesMetabolites, 2011
Volatile organic compounds (volatiles) comprise a chemically diverse class of low molecular weight organic compounds having an appreciable vapor pressure under ambient conditions. Volatiles produced by plants attract pollinators and seed dispersers, and provide defense against pests and pathogens.
openaire   +3 more sources

Value At Risk (VAR) With Respect To Single Risk Factor [PDF]

open access: yesRevista Română de Statistică, 2010
The paper reports on developing a value at risk (VaR) model with respect to a single risk factor. In the process, it shows how stochastic differential equation (SDE) and its variants can be considered as special cases of the VaR framework developed ...
Anass BAYAGA
doaj  

When the U.S. Stock Market Becomes Extreme?

open access: yesRisks, 2014
Over the last three decades, the world economy has been facing stock market crashes, currency crisis, the dot-com and real estate bubble burst, credit crunch and banking panics.
Sofiane Aboura
doaj   +1 more source

Stock Market Volatility and Return Analysis: A Systematic Literature Review

open access: yesEntropy, 2020
In the field of business research method, a literature review is more relevant than ever. Even though there has been lack of integrity and inflexibility in traditional literature reviews with questions being raised about the quality and trustworthiness ...
Roni Bhowmik, Shouyang Wang
doaj   +1 more source

Nonparametric Stochastic Volatility [PDF]

open access: yesSSRN Electronic Journal, 2010
We provide nonparametric methods for stochastic volatility modeling. Our methods allow for the joint evaluation of return and volatility dynamics with nonlinear drift and diffusion functions, nonlinear leverage effects, and jumps in returns and volatility with possibly state-dependent jump intensities, among other features.
BANDI F, Renò, Roberto
openaire   +3 more sources

MODEL APPROACH OF AGGREGATE RETURN VOLATILITY: GARCH(1,1)-COPULA VS GARCH(1,1)-BIVARIATE NORMAL

open access: yesBarekeng
Aggregate risk is an aggregation of single risks that are both independent and interdependent. In this study, aggregate risk is constructed from two interdependent random risk variables.
Asysta Amalia Pasaribu, Anang Kurnia
doaj   +1 more source

Characterizing Parental Concerns About Lasting Impacts of Treatment in Children With B‐Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background B‐acute lymphoblastic leukemia (B‐ALL) is the most common pediatric cancer, and while most children in high‐resource settings are cured, therapy carries risks for long‐term toxicities. Understanding parents’ concerns about these late effects is essential to guide anticipatory support and inform evolving therapeutic approaches ...
Kellee N. Parker   +7 more
wiley   +1 more source

Bivariate Volatility Modeling with High-Frequency Data

open access: yesEconometrics, 2019
We propose a methodology to include night volatility estimates in the day volatility modeling problem with high-frequency data in a realized generalized autoregressive conditional heteroskedasticity (GARCH) framework, which takes advantage of the natural
Marius Matei, Xari Rovira, Núria Agell
doaj   +1 more source

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