Results 91 to 100 of about 9,046 (243)
ETF flows on volatility of NAV returns: Evidence from Chinese markets
Applied Finance LettersThe main purpose of this study is to empirically investigate the relationship between ETF flows and the volatility of NAV returns in Chinese ETF markets.
Jiayuan Tian +2 more
doaj +1 more source
Plant, Cell &Environment, EarlyView.ABSTRACT Lysine represents a metabolic hub linking mitochondrial energy status with amino acid catabolism, yet its role in coordinating plant growth and development remains poorly characterised. The dapat mutant, which is deficient in L,L‐diaminopimelate aminotransferase (DAPAT), exhibits severe growth inhibition associated with broad metabolic ...
Débora Gonçalves Gouveia +10 more
wiley +1 more source
Regulation &Governance, EarlyView.ABSTRACT We approach public communication of bureaucratic organizations as a means of reputation management and argue that social media communication that abstains from making reference to other agencies is in line with a turf‐protective strategy, whereas communication that seeks to establish a link to other agencies is in line with a strategy to ...
Karina Shyrokykh +2 more
wiley +1 more source
Investor Sentiment and ETF Liquidity-Evidence from Asia Markets
, 2016 This study aims to analyze the effect of investor sentiment on Exchange Traded Fund (ETF) liquidity, and to capture the variations in investor sentiment, mainly focusing on Asian ETF market data.
Yung-Ching Tseng; Wo-Chiang Lee
core
A Deep Learning Framework for Forecasting Medium‐Term Covariance in Multiasset Portfolios
Journal of Forecasting, Volume 45, Issue 4, Page 1797-1828, July 2026.ABSTRACT Forecasting the covariance matrix of asset returns is central to portfolio construction, risk management, and asset pricing. However, most existing models struggle at medium‐term horizons, several weeks to months, where shifting market regimes and slower dynamics prevail.
Pedro Reis, Ana Paula Serra, João Gama
wiley +1 more source
ETF Mission Statement document. ETF Design Center team [PDF]
, 1980 The Mission Statement document describes the results, activities, and processes used in preparing the Mission Statement, facility characteristics, and operating goals for the Engineering Test Facility (ETF). Approximately 100 engineers and scientists from throughout the US fusion program spent three days at the Knoxville Mission Workshop defining the ...
openaire +2 more sources
Vitamin‐Responsive Disorders: From Molecular Basis to Clinical Presentation and Therapy
Journal of Inherited Metabolic Disease, Volume 49, Issue 4, July 2026.ABSTRACT Vitamin‐dependent cofactors are essential for numerous metabolic reactions, and defects affecting their uptake, conversion, utilisation, or regeneration constitute a heterogeneous group of inherited metabolic disorders (IMDs). Although dietary vitamin intake is sufficient to sustain coenzyme synthesis in healthy individuals, it is insufficient
Cécile Acquaviva +5 more
wiley +1 more source
Journal of International Medical ResearchEsophagotracheal fistula (ETF), one of the most serious complications in the treatment of esophageal cancer, presents a complex management challenge. Early diagnosis and treatment are crucial to alleviate clinical symptoms and improve the quality of life
Jing Han +5 more
doaj +1 more source
Determinants of ETF tracking error in Taiwan ETFs
, 2018 碩士本文尋找出影響ETF追蹤誤差的關鍵獨立變數，並以台灣ETF為主要樣本。本文包含了19檔ETF共1399個樣本數，由於遺漏值的緣故刪除觀察值。本文使用迴歸分析進行實證研究，並將自變數平方後，檢測自變數與應變數間是否有顯著非線性關係。最後將所有自變數與投資人情緒的交乘項放入迴歸模型當中，檢測是否有調節效果。研究結果顯示，我們發現了總費用率、以交易量衡量之ETF流動性、ETF波動性、ETF現金持有比率、ETF申購／贖回淨變化與ETF追蹤誤差呈正相關；ETF發放現金股利 ...
何佳燁;Ho, Chia-Yeh
core
The effect of liquidity and time-lag on ETF discounts and ETF return predictability [PDF]
, 2011 The purpose of the thesis is to discover if liquidity and time-lag between the ETF market and its NAV market affects the ETF discount. Also if ETF discounts are able to predict future ETF returns.
Hyttinen, Tomi
core