Results 151 to 160 of about 2,654,792 (357)

Why do variance swaps exist? [PDF]

open access: yes
This paper studies the determinants of the variance risk premium and concludes on the hedging possibilities offered by variance swaps. We start by showing that the variance risk premium responds to changes in higher order moments of the distribution of ...
Alfonso Novales Cinca   +2 more
core  

Ultrasound in Women's Health: Mechanisms, Applications, and Emerging Opportunities

open access: yesAdvanced Materials, EarlyView.
As healthcare moves toward decentralization, ultrasound technologies are evolving from strictly imaging tools in clinical settings into versatile diagnostic and therapeutic platforms, with growing roles addressing women's health needs. This review highlights how ultrasound's underlying physical mechanisms can be harnessed to reduce disparities in women'
Sarah B. Ornellas   +7 more
wiley   +1 more source

Effects of Waste Sanitation Facilities on Water Quality Index and Human Health Risk Assessment of Groundwater Resources in Abeokuta Markets, Southwestern Nigeria [PDF]

open access: green, 2022
Adewale M. Taiwo   +5 more
openalex   +1 more source

Scale economies and geographic diversification as forces driving community bank mergers [PDF]

open access: yes
Mergers of community banks across economic market areas potentially reduce both idiosyncratic and local market risk. Idiosyncratic risk may be reduced because the larger post merger bank has a larger customer base.
R. Alton Gilbert   +2 more
core  

Materials and System Design for Self‐Decision Bioelectronic Systems

open access: yesAdvanced Materials, EarlyView.
This review highlights how self‐decision bioelectronic systems integrate sensing, computation, and therapy into autonomous, closed‐loop platforms that continuously monitor and treat diseases, marking a major step toward intelligent, self‐regulating healthcare technologies.
Qiankun Zeng   +9 more
wiley   +1 more source

Perspective on Aqueous Batteries: Historical Milestones and Modern Revival

open access: yesAdvanced Materials, EarlyView.
This review retraces the development of aqueous batteries from classical Zn‐MnO2 chemistry to modern Zn and Ni systems, correlating voltage, capacity, and electrolyte formulation with practical performance. By mapping historical success and failure onto current and future research directions, it identifies guiding principles that steer the design of ...
Fangwang Ming   +5 more
wiley   +1 more source

International Asset Pricing Models: The Case of ASEAN Stock Markets

open access: yesThe International Journal of Banking and Finance, 2009
This paper is about the role of economic grouping as it affects international capital asset pricing models, ICAPM. The conventional ICAPM is extended to include the economic grouping, regional and world factors.
Chee-wooi Hooy, Kim-leng Goh
doaj  

The Performance of Risk Adjustment Models in Colombian Competitive Health Insurance Market

open access: green, 2014
Álvaro Riascos   +2 more
openalex   +1 more source

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