Results 71 to 80 of about 27,665 (197)

Examining the Effectiveness of Typologies of Violence Used in Predicting and Responding to Workplace Violence Against Nurses: A Rapid Review

International Journal of Nursing Practice, Volume 32, Issue 2, April 2026.
ABSTRACT Background The rate of violence against nurses far exceeds what should be reasonably accepted and suggests this is an issue that requires targeted intervention. Typologies have been used to predict violence, but there is a gap in the literature on antecedent and precipitating factors that lead to violence against nurses.
Joel Robert McGregor, Jamie Ung, James Roffee, Karrie Long   +3 more
wiley   +1 more source

Efficiency of the Foreign Exchange Market of Papua New Guinea During the Recent Float [PDF]

This paper examines the validity of the efficient market hypothesis (EMH) for the foreign exchange market of Papua New Guinea (PNG) using data on spot exchange rates for four major foreign currencies during the recent float.
Guneratne Banda Wickremasinghe
core  

Financial Time Series Uncertainty: A Review of Probabilistic AI Applications

Journal of Economic Surveys, Volume 40, Issue 2, Page 915-953, April 2026.
ABSTRACT Probabilistic machine learning models offer a distinct advantage over traditional deterministic approaches by quantifying both epistemic uncertainty (stemming from limited data or model knowledge) and aleatoric uncertainty (due to inherent randomness in the data), along with full distributional forecasts.
Sivert Eggen, Tord Johan Espe, Kristoffer Grude, Morten Risstad, Rickard Sandberg   +4 more
wiley   +1 more source

Extramedullary haematopoiesis in patients with thalassemia: a cross-sectional description of its prevalence, clinical features and survival

Hematology, Transfusion and Cell Therapy
Introduction: Despite knowledge advances on extramedullary haematopoiesis (EMH) in thalassemic patients, the real picture remains an open issue. Objectives: To assess EMH prevalence in patients with thalassemia major (TM) and intermedia (TI), to describe
Eduardo Cerello Chapchap, Murilo Marques Almeida Silva, Ronaldo Hueb Baroni, Aderson da Silva Araujo, Reijane Alves de Assis, Sandra Regina Loggetto, Antonio Fabron Junior, Monica Pinheiro de Almeida Verissimo, Giorgio Roberto Baldanzi, Kleber Yotsumoto Fertrin, Fernando Tricta, Antonio Giulio Piga, Nelson Hamerschlak   +12 more
doaj   +1 more source

A Test of Weak-Form Market Efficiency in Australian Bank Bill Futures Calendar Spreads [PDF]

This paper demonstrates how the presence of a lower interest rate expectations detected in short-term interest rate futures during the 1990’s allowed arbitrage profits when trading intra-commodity spread differentials on the Sydney Futures Exchange’s 90 ...
John Anderson
core  

Activity Dependent Branching Ratios in Stocks, Solar X-ray Flux, and the Bak-Tang-Wiesenfeld Sandpile Model

, 2009
We define an activity dependent branching ratio that allows comparison of different time series $X_{t}$. The branching ratio $b_x$ is defined as $b_x= E[\xi_x/x]$. The random variable $\xi_x$ is the value of the next signal given that the previous one is
Amer Shreim, Elliot Martin, Maya Paczuski, P. A. Samuelson, R. Lyons, S. F. LeRoy   +5 more
core   +1 more source

Stock Portfolio Management Based on AI Technology

Journal of Forecasting, Volume 45, Issue 2, Page 458-469, March 2026.
ABSTRACT Forecasting stock performance is crucial for formulating a profitable trading approach aimed at achieving significant gains. In addition, prediction results serve as essential prerequisites for creating and optimizing active investment portfolios.
Alejandro Moreno Alonso, Joaquín Ordieres‐Meré   +1 more
wiley   +1 more source

A REVIEW ON THE RELATIONSHIPS AMONG ADAPTIVE MARKETS HYPOTHESIS, THE EFFICIENT MARKETS HYPOTHESIS AND BEHAVIOURAL FINANCE [PDF]

Buletin ştiinţific: Universitatea din Piteşti. Seria Ştiinţe Economice, 2023
The Efficient Markets Hypothesis (EMH), which has had a significant impact on the field of finance since its development, has triggered many subsequent researches and some of the researches have brought a critical view to the Hypothesis.
Kubra SARITEPECI, Ayhan KAPUSUZOGLU, Nildag Basak CEYLAN   +2 more
doaj  

New thoughts on efficient markets [PDF]

The globally widespread economic crisis that burst in 2007 has been a central topic of recent papers. Economists and researchers have been pointing out that the crisis underpins the downfall of the efficient market hypothesis (EMH), as part of a search ...
Helena NAFFA, László Áron Kóczy
core  

When the Tail Wags the Dog: A Time‐Varying FCVAR Analysis of Bitcoin Market

Journal of Futures Markets, Volume 46, Issue 3, Page 529-544, March 2026.
ABSTRACT This paper examines how the relationship between Bitcoin spot and futures markets has evolved using a time‐varying Fractionally Cointegrated Vector Autoregressive (FCVAR) model. We are the first to apply this methodology dynamically to cryptocurrency markets, allowing us to simultaneously analyze long‐run equilibrium, pricing patterns, market ...
Filippo di Pietro, Antonio A. Golpe, Jose Carlos Vides   +2 more
wiley   +1 more source