Xionghui Yang

ORCID: 0000-0003-3963-0010
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About
Contact & Profiles
Research Areas
  • Financial Markets and Investment Strategies
  • Stock Market Forecasting Methods
  • Market Dynamics and Volatility
  • Corporate Finance and Governance
  • Essential Oils and Antimicrobial Activity
  • Complex Systems and Time Series Analysis
  • Plant Pathogens and Fungal Diseases
  • Plant biochemistry and biosynthesis
  • Environmental and Agricultural Sciences

CITIC Group (China)
2020-2022

University of Science and Technology Beijing
2009-2022

Patchouli (Pogostemon cablin (Blanco) Benth.) is a perennial traditional medicinal herb belonging to the family Lamiaceae, now widely cultivated in southern China. Due its high yield of aromatic essential oil and various therapeutic uses, P. has been extensively used flavor fragrance industries (Srivastava et al., 2022). In January 2024, blight was observed on three fields (each approximately 5 acres) Zhanjiang, Guangdong Province, The average disease incidence 21%, ranging from 13% 28%....

10.1094/pdis-07-24-1466-pdn article EN other-oa Plant Disease 2025-03-21

Financial bubbles have always been a topic of long-term concern for economists. Understanding bubble phenomenon and dating the period in real time can provide an early warning diagnosis financial help regulatory authorities to control it maintain market order. The generalized sup ADF (GSADF) backward (BSADF) tests with flexible window width effectively detect date periodically collapsing time. Based on present value model, this paper applies right-tail recursive test multiple China’s...

10.1371/journal.pone.0255476 article EN cc-by PLoS ONE 2021-08-02

Controlling persons are the ultimate decision-makers of listed companies. Their illegalities have impacts on investors' wealth, firm development, and capital market's quality. Against this backdrop, we provide a quantitative analysis short-term stock price reaction to criminal detention announcements controlling throughout 2007-2019. We applied Elman neural network (ENN) model into classical event study methodology demonstrated that combination them helps improve estimation accuracy...

10.1371/journal.pone.0266741 article EN cc-by PLoS ONE 2022-04-20

Based on the event study method, this paper conducts analysis short-term performance of 1302 major mergers and acquisitions (M&A) in China from 2006 to 2019 takes cumulative abnormal return (CAR) as measurement index. After comparing five (AR) calculation models, it is found that commonly used market model method adjustment have statistical defects while Elman feedback neural network capable good nonlinear prediction ability. The shows M&A can create considerable for Chinese listed...

10.1155/2020/8811273 article EN cc-by Complexity 2020-12-12
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