Results 121 to 130 of about 380,620 (306)
Volatility and the role of order book structure [PDF]
There is much literature that deals with modeling and forecasting asset return volatility. However, much of this research does not attempt to explain variations in the level of volatility.
Adam Clements, Ralf Becker
core
Advanced Science, EarlyView.This study presents a selective thermal transformation of polycarbonate into hybrid carbon materials. The structured carbon enhances electrochemical performance, particularly in lithium‐ion systems. Investigations reveal improved bimetallic ion diffusivity through the hybrid microstructure, contributing to excellent charge kinetics.
Montajar Sarkar +7 more
wiley +1 more source
Jumps in the Volatility of Financial Markets
, 1999 Des études récentes suggèrent que la variance conditionnelle des rendements financiers est sujette à des sauts. Ce papier étend une procédure non paramétrique de détection de sauts développée par Delgado et Hidalgo (1996) à la détection de sauts dans les moments conditionnels supérieurs, en particulier la variance conditionnelle.
openaire +1 more source
Electrochemical Nitrate Reduction Reaction to Ammonia at Industrial‐Level Current Densities
Advanced Science, EarlyView.This review starts from the mechanism and theoretical basis of electrochemical nitrate reduction reaction (NO3−RR), and systematically summarizes and discusses the design strategies of industrial‐level current density catalysts. In addition, the progress of industrial‐level NO3−RR‐based electrolyzers, including flow reactor and membrane electrode ...
Zhijie Cui +4 more
wiley +1 more source
Firm Level Volatility-Return Analysis using Dynamic Panels [PDF]
This paper examines "leverage" and volatility feedback effects at the firm level by considering both market effects and firm level effects, using 242 individual firm stock data in the US market.
L. Vanessa Smith, Takashi Yamagata
core
Scalable Upcycling of Spent Lithium‐Ion Battery Anodic Graphite to Electronic‐Grade Graphene
Advanced Science, EarlyView.Graphite anodes from spent lithium‐ion batteries are upcycled into electronic‐grade graphene nanoplatelets for highly conductive screen printing inks (> 104 S m−1). Screen‐printed micro‐supercapacitors confirm the utility of the upcycled graphene (1.78 mF/cm2 capacitance for > 10 000 cycles). Life cycle assessment and techno‐economic analysis highlight
Janan Hui +8 more
wiley +1 more source
On the Correlation Structure of Microstructure Noise in Theory and Practice [PDF]
We argue for incorporating the financial economics of market microstructure into the financial econometrics of asset return volatility estimation. In particular, we use market microstructure theory to derive the cross-correlation function between latent ...
Francis X. Diebold, Georg H. Strasser
core
Advanced Science, EarlyView.AP‐Lab bridges materials discovery and industrial manufacturing by coupling proprietary datasets with an application benchmark (PCR Ct). A closed‐loop optimization workflow integrates ML, LLM, and autonomous synthesis/testing to refine magnetic nanoparticles–based nucleic‐acid extraction systems.
Zhan‐Long Wang +12 more
wiley +1 more source
Eficiencia del mercado accionario chileno: un enfoque dinámico usando tests de volatilidad [PDF]
Lecturas de Economía, 2009 This article studies the Chilean Stock Market's efficiency. To corroborate efficiency, we use a partial equilibrium model for financial asset pricing.
Cristián Pinto, Andrés Acuña
doaj
Modeling and Verification of 1/f Noise Mechanisms in FAPbBr3 Single‐Crystal X‐Ray Detectors
Advanced Electronic Materials, EarlyView.We demonstratethat surface‐trap‐induced carrier number fluctuations are the dominantmechanism in FAPbBr3 Schottky devices, a conclusion supported by thedistinct defect profiles revealed by Drive‐Level Capacitance Profiling (DLCP). Throughnoise contribution decomposition, it is found that the 1/f noise of thedetector is the key noise source affecting ...
Zhongyu Yang +6 more
wiley +1 more source