Results 131 to 140 of about 23,045 (305)

On Srivastava's multivariate sample skewness and kurtosis under non-normality

This paper is concerned with asymptotic behavior of sample skewness and kurtosis. The asymptotic expansions under non-normality are obtained for the sample measures of multivariate skewness and kurtosis defined by Srivastava [1984.
Maruyama, Yosihito
core  

Do Investors React Differently to GHG Emission in Stock Pricing Across Firms? Evidence From Commonwealth African Countries Using a Novel Wavelet‐Enhanced QQR Approach

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines the intricate and asymmetric relationship between corporate greenhouse gas emission disclosure and stock returns and crash risks, focusing on listed firms in six Commonwealth African countries characterized by regulatory fragility, limited investor protection, and growing climate vulnerability.
Idorenyin J. Okon, Adeolu O. Adewuyi, Simplice A. Asongu   +2 more
wiley   +1 more source

Exploring morphological traits related to potential milling yield based on image-analysis

Scientific Reports
Wheat (Triticum aestivum L.) is a globally essential cereal crop whose productivity and processing efficiency are critically influenced by the morphological traits of the grain.
Anh Tuan Le, Ji Eun Park, Thanh Tuan Thai, Sang Yong Park, Min Seo Kim, Yong Suk Chung, Jae Yoon Kim   +6 more
doaj   +1 more source

CEO Overconfidence, Industry Competition, and ESG Performance

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines the interplay among CEO overconfidence, industry competition, and firms' ESG (Environmental, Social, and Governance) performance. With the growing importance of ESG management, firms are investing more in ESG initiatives as a strategic approach to mitigating downside risk. However, overconfident CEOs, characterized by their
Taehyung Kim, Jaeseog Na
wiley   +1 more source

MVSKTEST: Stata module to test for multivariate skewness and kurtosis

mvsktest performs an (asymptotic) test for multivariate skewness and kurtosis using the results in Mardia (1970). Separate p-values are given for the multivariate skewness and multivariate kurtosis.skewness, kurtosis, multivariate ...
Stanislav Kolenikov
core  

Modelling Directional Dispersion Through Hyperspherical Log- Splines [PDF]

We introduce the directionally dispersed class of multivariate distributions, a generalisation of the elliptical class. By allowing dispersion of multivariate random variables to vary with direction it is possible to generate a very wide and flexible ...
M.F.J. Steel, J.T.A.S. Ferreira
core  

Innovation and Growth Investment Through Capital Expenditure as a Channel and Boundary Condition Between Financial Performance and Corporate Reputation

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines the role of capital expenditure in the relationship between financial performance and corporate reputation. Using moderation and mediation analyses based on multiple regressions with bootstrapping, we examined data from 121 airlines from 46 countries during 2007–2023.
Larissa M. Batrancea, Andreas‐Daniel Cocis, Ioan Dan Morar   +2 more
wiley   +1 more source

The Language of Greenwashing: SDG Omission and Opportunity‐Oriented Environmental Tone as Alert Metrics in Green Bond Disclosures

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Green bonds play a central role in sustainable finance, yet concerns about greenwashing raise questions about the credibility of issuers' sustainability disclosures. Using dictionary‐based methods and domain‐specific BERT transformer models, this paper proposes two greenwashing alert metrics and investigates their performance by analyzing ...
Andrea Nicolodi, Sandra Paterlini, Monica Gentile, Vincenzo Foglia Manzillo, Gianluca Vittorioso   +4 more
wiley   +1 more source

Histogram analysis of multiple mathematical diffusion-weighted imaging models for preoperative prediction of Ki-67 expression in hepatocellular carcinoma

Frontiers in Oncology
ObjectiveTo explore whether a combination of clinico-radiological factors and histogram parameters based on monoexponential, biexponential, and stretched exponential models derived from the whole-tumor volume on diffusion-weighted imaging (DWI) could ...
Hongxiang Li, Jing Zhang, Baoer Liu, Zeyu Zheng, Yikai Xu   +4 more
doaj   +1 more source

The AI Sustainability Paradox: How Verification and Regulation Synergize to Curb Greenwashing in Emerging Markets

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Artificial intelligence (AI) reflects a paradox for corporate sustainability: it provides tools for genuine socio‐economic improvement and enables greenwashing at scale. This study examines this duality in emerging Asian markets, where rapid AI adoption coincides with evolving regulatory regimes.
Ashutosh Yadav, Simplice A. Asongu
wiley   +1 more source