Results 41 to 50 of about 1,702 (183)

Electrified rhythms: How hydropower infrastructure transforms hydrosocial relations of riverine communities in the Lower Sogamoso River, Colombia

open access: yesPeople and Nature, Volume 8, Issue 3, Page 782-796, March 2026.
Abstract Hydropower dams regulate water flows for millions of downstream inhabitants worldwide, altering water availability. Under a changing climate, flow control is often framed technically and politically as being essential for reducing drought and flood risks. However, it can also disrupt ecological flows, impact livelihoods and erode environmental
Laura Betancur‐Alarcón   +4 more
wiley   +1 more source

Medición de la compensación del riesgo en el mercado de criptomonedas - Measuring risk compensation in the cryptocurrency market

open access: yesSuma de Negocios
Introducción/objetivo: este estudio analiza el rendimiento ajustado al riesgo de las criptomonedas más populares en comparación con el índice S&P 500, utilizando el Alpha de Jensen para evaluar si estas superan el rendimiento ajustado por riesgo en el ...
Andrés Caicedo Carrero   +3 more
doaj   +1 more source

Análisis de la gestión del riesgo de la banca múltiple en el Perú: 2000–2010

open access: yesPensamiento Crítico, 2011
El trabajo busca analizar la gestión del riesgo de los bancos que realizan sus operaciones en el Perú, mediante la aplicación de indicadores que relacionan el rendimiento de las operaciones con el riesgo.
Gaby Cortez Cortez
doaj   +1 more source

Risks of Time and Chronology as an Underpinning Infrastructure for Critical Systems: Emerging Chronorisks and Chronosecurity Needs

open access: yesJournal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT Time and chronology form the invisible architecture upon which modern civilization depends, governing synchronization across markets, power grids, communication networks, transportation, and defense. Yet, this shared temporal framework, engineered through atomic clocks, satellites, and digital synchronization, faces growing vulnerabilities ...
Bilal M. Ayyub
wiley   +1 more source

ESTUDIO DEL MERCADO DE DIVISAS: EVOLUCIÓN Y RIESGO

open access: yes, 2021
Este trabajo es un análisis del mercado de divisas en el que mediante técnicas econométricas se estudia su volatilidad y se intenta modelizar de la forma mas eficiente posible, centrándose en dos pares de divisas importantes y trabajando con sus series temporales en r commander.
Güell Cardeñosa, Javier   +1 more
openaire   +1 more source

Using online reports of seahorse seizures to track their illegal trade

open access: yesConservation Biology, Volume 39, Issue 5, October 2025.
Abstract Illegal wildlife trade (IWT) is a persistent and extensive threat to global biodiversity. Hundreds of marine fish species are subject to regulation under the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), but it is unclear how much protection species gain from CITES because information on marine fish ...
Sarah J. Foster   +3 more
wiley   +1 more source

Flexiguridad: oportunidades y riesgos en el actual mercado de trabajo

open access: yesLan Harremanak - Revista de Relaciones Laborales, 2008
Tanto en las Líneas Directrices Integradas para el crecimiento y el empleo del ciclo 2005-2007, como en el Consejo Europeo de Primavera de 2006, se invitaba a los Estados Miembros a que reformaran las políticas sociales y del mercado de trabajo adoptando un planteamiento que combinara la flexibilidad con la seguridad del empleo.
openaire   +2 more sources

Socioeconomic drivers of wild meat consumption in the city of Iquitos, Peru

open access: yesConservation Biology, Volume 39, Issue 5, October 2025.
Abstract Wild meat represents a vital source of micro‐ and macronutrients for forest‐dwelling people; however, city dwellers with access to animal protein from different animals may also consume large amounts of wild meat as part of their customs and traditions, to diversify their diets, to maintain connections to their rural kin, and to access meat ...
Fiorella Briceño Huerta   +3 more
wiley   +1 more source

Thinly traded securities and risk management

open access: yesEstudios de Economía, 2014
Los activos financieros con baja frecuencia de transacciones existen tanto en mercados emergentes como desarrollados. Sin embargo, no han sido exploradas en la literatura estimaciones robustas de medidas de riesgo de mercado para carteras compuestas por ...
Alejandro Bernales   +2 more
doaj  

Policy Effectiveness in Managing Drug Shortages: Evidence From South Korea (2015–2024)

open access: yesWorld Medical &Health Policy, Volume 17, Issue 3, Page 561-572, September 2025.
ABSTRACT Drug shortages represent a growing policy challenge for healthcare systems worldwide. This study investigates actual drug shortage events in South Korea from 2015 to 2024, using a “Shortage Occurred vs. Shortage Non‐Occurred” framework to distinguish real‐world disruptions from administrative classifications.
Seung‐Rae Yu
wiley   +1 more source

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