Results 31 to 40 of about 123 (118)

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  

Amazonia's Cassava and Manioc Through Historical Times

The Journal of Latin American and Caribbean Anthropology, Volume 30, Issue 4, December 2025.
ABSTRACT This provocation calls readers to think more deeply about the role anthropology could play in radically disrupting plant blindness. Thanks to Environmental Humanities, the natural world is no longer apprehended as a mere backdrop to human activity.
Laura Rival
wiley   +1 more source

Profiles of parental reflective functioning and mind‐mindedness in first‐time parents of 4‐month‐old infants

Infant Mental Health Journal: Infancy and Early Childhood, Volume 46, Issue 6, Page 870-885, November 2025.
Abstract Profiles of parental reflective functioning (PRF) may offer valuable insights into individual differences in PRF. Previous studies have identified PRF profiles; however, further validation is needed. This study aimed to investigate the convergent validity of the identified PRF profiles by examining their association with a related measure of ...
Eva Back Madsen, Ida Egmose, Anne Christine Stuart, Marianne Thode Krogh, Tina Wahl Haase, Karen‐Inge Karstoft, Mette Skovgaard Væver   +6 more
wiley   +1 more source

Using online reports of seahorse seizures to track their illegal trade

Conservation 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, Syd J. Ascione, Francesca Santaniello, Teale N. Phelps Bondaroff   +3 more
wiley   +1 more source

A global indicator of species recovery

Conservation Biology, Volume 39, Issue 5, October 2025.
Abstract Monitoring progress toward meeting global biodiversity goals involves several indicators, including, at the species level, the International Union for Conservation of Nature (IUCN) Red List Index (RLI) and the Living Planet Index (LPI). However, at present, there is no indicator specifically for tracking species recovery, despite this being ...
H. Resit Akçakaya, Michael Hoffmann, E. J. Milner‐Gulland, Molly K. Grace, Barney Long   +4 more
wiley   +1 more source

Análisis de decisiones de inversión utilizando el criterio valor presente neto en riesgo (VPN en riesgo)

Revista Facultad de Ingeniería Universidad de Antioquia, 2009
Las decisiones estratégicas de inversión son actividades cruciales para el desarrollo de una organización. Los proyectos de inversión se encuentran expuestos a diversos tipos de riesgo: financiero, político, de mercado, entre otros.
Diego Fernando Manotas Duque, Héctor Hernán Toro Díaz   +1 more
doaj  

Taxonomic and phylogenetic biases in translocated angiosperm plant species across European countries

Conservation Biology, Volume 39, Issue 4, August 2025.
Abstract Conservation translocations are a well‐known conservation tool used to reverse the effects of local population extinctions and restore ecosystems. Compared with mammals and birds, plants are underrepresented in translocation programs, and little is known about the potential taxonomic and phylogenetic biases of plant translocation efforts.
Filipa Coutinho Soares, Maud Mouchet, Anne‐Christine Monnet, Nadline Kjelsberg, Alfredo García Fernández, Alexandre Robert, Jean‐Baptiste Mihoub, Bruno Colas, François Sarrazin   +8 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

A tale of two disasters: Unpacking how social learning from the Ebola epidemic shaped COVID‐19 response in informal settlements in Freetown

Risk, Hazards &Crisis in Public Policy, Volume 16, Issue 2, June 2025.
Abstract Prior disaster experiences often provide lessons for communities to respond to new disasters. In informal communities prone to disasters but conditioned within reactive disaster management regimes, residents and Community‐Based Organizations (CBOs) play immense roles in disaster risk reduction and response.
Stephen Kofi Diko, Seth Asare Okyere, Louis Kusi Frimpong, Stephen Leonard Mensah, Matthew Abunyewah, Gordon Amankwaa   +5 more
wiley   +1 more source

Public Preferences on the Economy–Environment Trade‐Off in France, Germany, Great Britain, and the United States

Politics &Policy, Volume 53, Issue 3, June 2025.
ABSTRACT Climate change is increasing pressure on policymakers and the public to face perceived trade‐offs between economic growth and environmental sustainability, but is it possible to fulfill human needs within the ecological limits of the planet? This article investigates how the public prioritizes this trade‐off. We analyze the drivers of citizens'
Soomin Oh, David Hudson, Jennifer Hudson
wiley   +1 more source