Results 41 to 50 of about 123 (118)
Incorporating citizen science into IUCN Red List assessments
Conservation Biology, Volume 39, Issue 2, April 2025.Abstract Many citizen scientists are highly motivated to help address the current extinction crisis. Their work is making valuable contributions to protecting species by raising awareness, identifying species occurrences, assessing population trends, and informing direct management actions, such as captive breeding.
Rachael Gallagher +10 more
wiley +1 more source
Value at risk from the viewpoint of copulas Valor en riesgo desde un enfoque de cópulas
AD-minister, 2009 The value at risk _VaR_, is a measure that quantifies the risks faced by a given portfolio. There are some methods to calculate the VaR: historical simulation, Montecarlo simulation, parametric models and duration and convexity models, among others.
Ana Milena Olarte Cadavid +1 more
doaj
Assessing disturbances in surviving primary forests of Europe
Conservation Biology, Volume 39, Issue 2, April 2025.Abstract Primary forests are of paramount importance for biodiversity conservation and the provision of ecosystem services. In Europe, these forests are scarce and threatened by human activities. However, a comprehensive assessment of the magnitude of disturbances in these forests is lacking, due in part to their incomplete mapping.
José I. Barredo +2 more
wiley +1 more source
[Prevalence and factors associated with eating disorders in Peruvian Human Medicine students in the context of the COVID-19 pandemic: a multicentre study]. [PDF]
Rev Colomb Psiquiatr, 2022 Pierre Zila-Velasque J +7 more
europepmc +1 more source
El supuesto de normalidad estacionaria y los Black Swans en finanzas
Sotavento MBA, 2014 El supuesto de normalidad estacionaria es esencial para diversas áreas del análisis financiero. Desde el cálculo del valor en riesgo de una posición hasta la simulación estocástica del precio de un activo financiero, la inclusión del supuesto es ...
José Carlos Ramírez Sánchez +1 more
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Value at risk: Teoría y aplicaciones.
Estudios de Economía, 2001 El concepto de Value at Risk (valor del riesgo) se ha popularizado hace ya casi una década. Este artículo describe el significado de este concepto, y presenta aplicaciones sobre carteras de activos de bonos, acciones, forwards de tasa de interés y de ...
Christian Johnson
doaj
[Correlation between the number of brushes per day and the dmft index in 12-year-old school children from the El Vecino parish in Cuenca, Ecuador 2016]. [PDF]
Rev Cient Odontol (Lima), 2021 Fernández-Pesantez HE +2 more
europepmc +1 more source
Revista EIA, 2011 This work addresses the valuation of economic effects of different inventory holding policies. We study the VaR over the value of a company and the variations induced on this indicator by the changes made to the working capital, related to inventory ...
Héctor Hernán Toro +2 more
doaj
AD-minister, 2009 De acuerdo con el estudio que se presenta, por las características de los activos que lo conforman, el método de Montecarlo Estructurado es el más completo y robusto para la medición del valor en riesgo (VaR) de un portafolio hipotético de acciones ...
María Auxiliadora Vergara Cogollo +1 more
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