Results 91 to 100 of about 50,517 (308)

Re-evaluating Hedging Performance [PDF]

open access: yes
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  

Looking for hopeful purpose in England's environmental education policy: An analysis of the National Education Nature Park

open access: yesBritish Educational Research Journal, EarlyView.
Abstract The intertwined crises of climate change, biodiversity loss and environmental degradation represent profound global challenges. Education holds a unique role in enabling all young people to navigate uncertainty, participate meaningfully in decision‐making and contribute to more just and sustainable ways of living.
Julie Robinson   +2 more
wiley   +1 more source

Perspectives on Serbia’s China–EU Hedging Strategy: Resilient to De-hedging? [PDF]

open access: yesMeđunarodni Problemi
In an increasingly multipolar international system, small states like Serbia exert complex strategic dilemmas in navigating great power competition. This paper investigates Serbia's hedging strategy between its two main poles of foreign policy preference—
Nenad Stekić, Aleksandar Mitić
doaj   +1 more source

Strategic Hedging [PDF]

open access: yes
For a Cournot duopoly with a foreign firm exporting to the home firm's market hedging against unfavorable shifts in the stochastic spot exchange rate is analyzed.
Udo Broll, Peter Welzel, Kit Pong Wong
core  

Dynamics of biotic resistance to plant invasions

open access: yesBiological Reviews, EarlyView.
ABSTRACT Biotic resistance, the reduction in invasion success caused by native communities, plays an important role in the long‐term dynamics of biological invasions. A large body of empirical research on biotic resistance has accumulated since the last comprehensive review on the subject 20 years ago, enabling us to achieve a refined understanding of ...
Christine S. Sheppard   +13 more
wiley   +1 more source

OPTIMAL HEDGING STRATEGIES FOR THE U.S. CATTLE FEEDER [PDF]

open access: yes
Multiproduct optimal hedging for simulated cattle feeding is compared to alternative hedging strategies using weekly price data for 1983-95. Out-of-sample means and variances of hedged feeding margins using estimated hedge ratios for four commodities ...
Noussinov, Mikhail A.   +1 more
core  

What drives animal responses to high severity fire? The role of functional traits

open access: yesBiological Reviews, EarlyView.
ABSTRACT Fire regimes are changing worldwide, with increases in the frequency, extent, and severity of fires posing growing risks to biodiversity. Fire severity – the degree of habitat alteration following fire – strongly influences both immediate survival and long‐term recovery of fauna.
Grace A. Vielleux   +3 more
wiley   +1 more source

Evidence for adaptive explanations of semelparity in animals

open access: yesBiological Reviews, EarlyView.
ABSTRACT Semelparity, the reproductive strategy of reproducing once, is widespread but uncommon in animals. Classes of models to explain the evolution of semelparity are based either on age structure and mortality schedules – demographic models in which high post‐reproductive mortality risk favours high reproductive effort and semelparity results from ...
Diana O. Fisher   +1 more
wiley   +1 more source

Hedging use in Spanish academic writing

open access: yesIbérica
Hedging, a crucial rhetorical strategy in academic discourse, allows writers to express appropriate caution and modesty while presenting claims. While extensively studied in English academic writing, research on hedging in Spanish academic discourse ...
Gang Yao, Wei Sun
doaj   +1 more source

How developmental stressors affect mitochondrial respiratory function: a systematic review and meta‐analysis

open access: yesBiological Reviews, EarlyView.
ABSTRACT The environmental conditions organisms experience during early development can have powerful and sustained effects on morphology, physiology, behaviour, and performance. Such developmental effects can influence reproductive success, survival, and life‐history strategies and can be transmitted across generations (i.e.
Ondi L. Crino   +7 more
wiley   +1 more source

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