Results 131 to 140 of about 698 (235)

Risk Forecasting in Shipping Exchange‐Traded‐Fund (ETF) Markets

open access: yesInternational Journal of Finance &Economics, EarlyView.
ABSTRACT This article examines the risk properties of freight‐derivative‐based exchange‐traded funds (ETFs), focusing on the Breakwave Dry Bulk Shipping ETF (BDRY), and evaluates the accuracy of Value‐at‐Risk (VaR) and Expected Shortfall (ES) forecasts across a range of econometric models.
Christos Katris   +2 more
wiley   +1 more source

Nonequilibrium evaporation enables carrier polarity control in Bi‐Te thin films

open access: yesInfoScience, EarlyView.
Controlling carrier polarity in semiconductors is important for developing advanced electronics but is usually achieved through doping or composition engineering. Here, we demonstrate that nonequilibrium evaporation can naturally reshape Bi–Te thin films from a Te‐rich p‐type conducting phase to a Bi2Te3‐rich n‐type phase during growth.
Mengfei He   +3 more
wiley   +1 more source

Patterns and cost of care according to keratinocyte cancer risk stratification in a volunteer population screening clinic: Real-world data from the TRoPICS study. [PDF]

open access: yesAustralas J Dermatol, 2023
Lee RC   +12 more
europepmc   +1 more source

Ultra‐High Frequency Ultrasound Imaging and Quantification of Microvascular Flow in Xenograft Renal Cell Carcinoma in an Avian Chorioallantoic Membrane Model

open access: yesJournal of Ultrasound in Medicine, EarlyView.
Patient‐derived xenograft (PDX) tumor models initiated in avian chorioallantoic membranes (CAM) are under investigation to evaluate the effectiveness of therapeutic options with the objective of personalizing treatments. CAM PDXs paired with ultra‐high frequency ultrasound (UHFUS) imaging could potentially constitute prospective high throughput assays ...
Sara Mar   +5 more
wiley   +1 more source

Seabird population responses after the removal of an introduced predator

open access: yesThe Journal of Wildlife Management, EarlyView.
We studied the response of a breeding population of seabirds (pigeon guillemots) to the removal of an introduced population of predators (American mink) from an archipelago that was formerly the largest aggregation of nesting guillemots in Prince William Sound, Alaska.
Samuel B. Stark   +4 more
wiley   +1 more source

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