Results 91 to 100 of about 37,486 (312)
British Educational Research Journal, EarlyView.Abstract This paper examines the gap in number skills between socioeconomically disadvantaged and non‐disadvantaged children in the first year of compulsory schooling in England. Past research mostly relies on statutory assessment data collected towards the end of the first year of school and does not show the attainment gap associated with ...
Martin Culliney, Joanne Robson
wiley +1 more source
Re-evaluating Hedging Performance [PDF]
Mixed results have been documented for the performance of hedging strategies using futures. This paper reinvestigates this issue using an extensive set of performance evaluation metrics across seven international markets.
Jim Hanly, John Cotter
core
British Educational Research Journal, EarlyView.Abstract This article examines how national education in Hong Kong functions as a contested arena in which state and non‐state actors struggle over the meaning of citizenship, identity and schooling. Using inductive frame analysis of 319 news articles (2020–2025) from five Chinese‐ and English‐language outlets, it identifies diagnostic, prognostic and ...
Jason Cong Lin
wiley +1 more source
A roadmap to key traits of invasive Drosophilidae
Biological Reviews, EarlyView.ABSTRACT Biological invasions have intensified in recent decades, mostly driven by international trade and travel, raising significant concerns, particularly regarding insect pests. Once non‐native species establish, they can disrupt natural ecosystem stability, undermine agroecosystem sustainability and cause substantial economic losses.
Gwenaëlle Deconninck +14 more
wiley +1 more source
Biological Reviews, EarlyView.ABSTRACT One of the major subfields of chemical ecology is the study of toxins and how they mediate interactions between organisms. Toxins produced by harmful algae (phycotoxins) impact a wide variety of organisms connected to the marine food web. Significant research efforts have thus aimed to identify the ecological and evolutionary drivers behind ...
Milad Pourdanandeh, Erik Selander
wiley +1 more source
Hedging Effectiveness under Conditions of Asymmetry
, 2005 We examine whether hedging effectiveness is affected by asymmetry in the return distribution by applying tail specific metrics to compare the hedging effectiveness of short and long hedgers using crude oil futures contracts.
Cotter, John, Hanly, Jim
core
The evidence base for ranger patrol effectiveness in conservation and how to improve it
Biological Reviews, EarlyView.ABSTRACT Ranger patrols are a cornerstone of wildlife protection efforts around the world and occur across all ecological governance systems. Evidence that patrols reduce threats to wildlife and enable their recovery has not been systematically examined previously.
Trina Rytwinski +19 more
wiley +1 more source
This study examines the feasibility of cross-hedging cottonseed meal with soybean meal futures. The simple linear regression of cottonseed meal cash prices on soybean meal futures provides a direct price movement relationship.
Rahman, Shaikh Mahfuzur +2 more
core +2 more sources
Trade‐offs in avian parental care: a review of theory and meta‐analysis of brood size manipulations
Biological Reviews, EarlyView.ABSTRACT The selective forces shaping parental care have been studied for over 50 years. While theoretical and experimental work has yielded qualitative progress, the large body of empirical work testing predictions about parental investment based on life‐history trade‐offs has yet to be synthesized.
Rebekah A. McKinnon +4 more
wiley +1 more source
Live cattle futures markets do not offer much opportunity for effective hedging of wholesale beef cuts. If a Choice-to-Select price spread futures contract were introduced this would enhance hedging effectiveness although likely not enough to encourage ...
Schroeder, Ted C., Yang, Xiaolou
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