Results 121 to 130 of about 93,664 (290)

On the Problem of More Than One Kurtosis Parameter in Multivariate Analysis

open access: yesJournal of Multivariate Analysis, 1993
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Examining the financial and commercial literacy of Australian Indigenous small business owners

open access: yesAccounting &Finance, Volume 65, Issue 1, Page 667-690, March 2025.
Abstract Financial and commercial literacy are essential skills for small business owners to navigate an increasingly complex financial landscape. This study examines the financial and commercial literacy of 592 Indigenous and non‐Indigenous small business owners.
Mark Brimble   +5 more
wiley   +1 more source

How Tether Depegging Affects Cryptocurrency Returns

open access: yesAccounting &Finance, EarlyView.
ABSTRACT This paper examines the relationship between Tether depegging events and the returns of ten major cryptocurrencies from November 2017 to November 2024. We distinguish between upward and downward deviations from the Tether peg, identifying these events as threshold exceedances based on historical prices, using both constant parameter and ...
Sean Foley   +2 more
wiley   +1 more source

Model and distribution uncertainty in multivariate GARCH estimation: a Monte Carlo analysis [PDF]

open access: yes
Multivariate GARCH models are in principle able to accommodate the features of the dynamic conditional correlations processes, although with the drawback, when the number of financial returns series considered increases, that the parameterizations entail
Rossi, Eduardo, Spazzini, Filippo
core   +1 more source

Diagnostic validity of Addictions Neuroclinical Assessment indices for alcohol use disorder: Findings from an observational case–control study

open access: yesAddiction, EarlyView.
Abstract Background and aims The Addictions Neuroclinical Assessment (ANA) provides a framework for assessing alcohol use disorder (AUD) with indices that may be both mechanistically and diagnostically informative. This study evaluated an array of measures from the three ANA domains in relation to AUD diagnostic status. Design This cross‐sectional case–
Molly L. Garber   +5 more
wiley   +1 more source

The diagnostic value of histogram analysis of DWI and DKI for the mismatch repair status of rectal adenocarcinoma

open access: yesHeliyon
Objectives: To compare the diagnostic value of histogram analysis derived from diffusion weighted imaging (DWI) and diffusion kurtosis imaging (DKI) in differentiating the mismatch repair (MMR) status of rectal adenocarcinoma.
Hao Chen   +4 more
doaj   +1 more source

Shame as a mediator of the association of childhood emotional abuse with aversive cognitive perseveration in adults

open access: yesBritish Journal of Psychology, EarlyView.
Abstract Childhood emotional abuse (CEA) has been linked to response‐focused emotion regulation in adulthood. However, the underlying mechanisms remain unexplored. This pre‐registered study examined whether shame mediates the association between CEA history and aversive cognitive perseveration (ACP), including brooding rumination, experiential ...
Mohammadali Amini‐Tehrani   +4 more
wiley   +1 more source

Bearing-Weak-Fault Signal Enhancement and Diagnosis Based on Multivariate Statistical Hilbert Differential TEO

open access: yesMachines
The enhancement of weak-fault signal characteristics in rolling bearings under strong background noise interference has always been a challenging problem in rotating machinery fault diagnosis.
Zhiqiang Liao   +4 more
doaj   +1 more source

Conditional Asset Allocation under Non-Normality: How Costly is the Mean-Variance Criterion? [PDF]

open access: yes
We evaluate how departure from normality may affect the conditional allocation of wealth. The expected utility function is approximated by a forth-order Taylor expansion that allows for non-normal returns.
Eric Jondeau, Michael Rockinger
core  

From tetrachoric to kappa: How to assess reliability on binary scales

open access: yesBritish Journal of Mathematical and Statistical Psychology, EarlyView.
Abstract Reliability is crucial in psychometrics, reflecting the extent to which a measurement instrument can discriminate between individuals or items. While classical test theory and intraclass correlation coefficients are well‐established for quantitative scales, estimating reliability for binary outcomes presents unique challenges due to their ...
Sophie Vanbelle
wiley   +1 more source

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