Results 41 to 50 of about 62,890 (166)

Report of the Scientific Committee of the Spanish Agency for Food Safety and Nutrition (AESAN) on nutritional risks for women during menopause, perimenopause and postmenopause

Food Risk Assess Europe, Volume 4, Issue 2, April 2026.
Abstract Menopause is the time when a woman transitions from the reproductive stage of life to the non‐reproductive state. It is characterised by significant hormonal changes, which can affect a woman's physical, emotional, mental and social well‐being.
Irene Bretón Lesmes, Concepción María Aguilera García, Araceli Díaz Perales, Ángel Gil Izquierdo, Gema Nieto Martínez, Ana María Rivas Velasco, Virginia Arianna Aparicio García‐Molina, María Ángeles Carlos Chillerón   +7 more
wiley   +1 more source

Estimación del riesgo en un portafolio de activos

Apuntes del CENES, 2013
Este trabajo introduce el uso de la teoría de valor extremo (EVT) y cópulas para la estimación del valor en riesgo (VaR). Se considera como aplicación a un portafolio compuesto por tres activos representativos del mercado colombiano.
Luis Guillermo Díaz, Diana A Maldonado, Sandra Milena Salinas   +2 more
doaj  

Gender Mainstreaming in Urban Food Policies: Governance Processes and Policy Designs From Three Spanish Cities

European Policy Analysis, Volume 12, Issue 2, Spring 2026.
ABSTRACT This paper explores the integration of gender mainstreaming in urban food policies (UFPs) through three Spanish case studies: Barcelona, Valencia, and Zaragoza. While UFPs are pivotal for addressing sustainability in urban food systems, attention to gender disparities within them remains insufficient.
Chiara Bergonzini, Francesca Donati
wiley   +1 more source

Efecto de Restricciones de VaR sobre Coberturas en Mercados Eléctricos [PDF]

, 2013
En este trabajo se analiza el efecto que tienen las restricciones de VaR sobre la selecci on de la cantidad de contratos forward en un mercado el ectrico y el momento en que se debe realizar la operaci on de cobertu- ra cuando un agente busca ...
Pantoja Robayo, Javier Orlando, Rendón García, Juan Fernando, Trespalacios Carrasquill, Alfredo   +2 more
core  

Forwarding forest restoration: Seven key socio‐ecological issues for advancing forest restoration in a world in flux

People and Nature, Volume 8, Issue 3, Page 569-581, March 2026.
Abstract Restoring forests can help conserve biodiversity, mitigate climate change and enhance human well‐being. Despite financial and political support for global forest restoration initiatives, projects continue to face persistent challenges and trade‐offs between environmental, climatic and socio‐economic goals.
Mariana Hernandez‐Montilla, Katie Devenish, Lucas Alencar, Rayna Benzeev, Pooja Choksi, Ida N. S. Djenontin, Matthew E. Fagan, Harry Fischer, Paola Isaacs Cubides, Thais Linhares Juvenal, Matilda Kabutey‐Ongor, Judith Kamoto, Andrew Kinzer, David Kroeker‐Maus, Stephanie Mansourian, Felipe Melo, Daniel C. Miller, Sandy Nofyanza, Adithya Pradeep, Florian Reiner, Warrangkana Rattanarat, Niken Sakuntaladewi, Conghe Song, Laura Vang Rasmussen, Johan A. Oldekop   +24 more
wiley   +1 more source

Surveillance of ash trees under multiple threats: Integrating emerald ash borer and ash dieback dynamics with stakeholder behaviour

Journal of Applied Ecology, Volume 63, Issue 3, March 2026.
Tree‐health policies must balance identifying likely entry points and deployment of traps, targeted information campaigns and surveillance subsidies for land managers. Our unique, cross‐disciplinary approach can be applied to other pest/pathogen systems to inform tree‐health plans and how to balance resources.
Vasthi Alonso Chávez, Nathan Brown, Stephen Parnell, Matt Combes, Alison Dyke, Clare Hall, Berglind Karlsdóttir, Mariella Marzano, Joanne Morris, Liz O'Brien, David Williams, Alice E. Milne   +11 more
wiley   +1 more source

Applying stress-testing on value at risk (VaR) methodologies [PDF]

, 2004
In recent years, Value at Risk (VaR) methodologies, i. e., Parametric VaR, Historical Simulation and the Monte Carlo Simulation have experienced spectacular growth within the new regulatory framework which is Basle II.
Feria Domínguez, José Manuel, Oliver Alfonso, María Dolores   +1 more
core   +1 more source

Distribución condicional de los retornos de la tasa de cambio colombiana: un ejercicio empírico a partir de modelos GARCH multivariados [PDF]

, 2013
Un conjunto de modelos GARCH multivariados son estimados y su validez empírica comparada a partir del cálculo de la medida VaR, para los retornos diarios de la tasa de cambio nominal del peso colombiano con respecto al dólar americano, euro, libra ...
Karoll Gómez Portilla, Santiago Gallón Gómez   +1 more
core   +1 more source

Key drivers of at‐vessel mortality in demersal sharks

Conservation Biology, Volume 40, Issue 1, February 2026.
Abstract Chondrichthyans are highly vulnerable to fisheries overexploitation, and postcapture mortality poses a significant threat to most species. Global bycatch mitigation guidelines recommend adopting hierarchical decision‐making approaches tailored to species‐specific vulnerabilities and socioeconomic and regulatory contexts.
David Ruiz‐García, Claudio Barría, Juan A. Raga, David March   +3 more
wiley   +1 more source

Estimación del Valor en Riesgo -VaR- para un portafolio de inversión compuesto por acciones del COLCAP bajo el método de Cópulas usando la distribución t-student

, 2022
El Valor en Riesgo (VaR) es una medida utilizada para calcular el límite de la posible pérdida de valor de un portafolio, con un nivel de confianza definido. Existen métodos tradicionales para calcularlo, como son Simulación Histórica y Varianza-Covarianza; sin embargo, ambos se apoyan del pasado para explicar el futuro, por lo que, ante eventos que ...
Ayala Urrea, Jhon Stiwart, Hoyos Giraldo, Ricardo   +1 more
openaire   +1 more source