Results 51 to 60 of about 67,641 (216)
A assimetria na volatilidade das rendibilidades do preço do crude [PDF]
, 2016 Dissertação de Mestrado em Contabilidade e Análise FinanceiraVolatilidade refere-se às oscilações de uma determinada variável ao longo do tempo. Assim, facilmente se associa volatilidade aos conceitos de risco e de incerteza e, por conseguinte, ao trade ...
Asceno, Elisete Alexandra Coelho +1 more
core
Modelos Heterocedásticos - ARCH e GARCH
, 2010 Métodos Quantitativos em Economia e ...
openaire +2 more sources
Palaces for a New Spain Nobility: Between Creole Identity and Academicism
Sociology Lens, Volume 38, Issue 1, Page 75-86, March 2025.ABSTRACT Mexico City and Havana had a significant number of noble palaces during the eighteenth century. Until now, the dearth of historical documentation on their construction has hampered any approximation, requiring other methodologies. Here, it is intended to establish how a new visual code was defined, consistent both with their local style and ...
Pedro Luengo
wiley +1 more source
Estimacion de modelos de volatilidad estocástica en series de rendimientos bursátiles
Rect@, 2005 Las series temporales de alta frecuencia observadas en los mercados financieros y cambiarios se caracterizan por ser asimétricas, leptocúrticas, agrupamiento de la volatilidad, mostrar una elevada persistencia en volatilidad, correlaciones en los ...
Calvo Martín, Meri Emilia +1 more
doaj
Virtual Archaeology Review, 2021 La creciente disponibilidad de datos tridimensionales (3D), como nubes de puntos, provenientes de la detección de la luz y distancia (LiDAR), sistemas de mapeado móvil (MMS) o vehículos aéreos no tripulados (UAV), brinda la oportunidad de generar ...
Francesca Matrone, Massimo Martini
doaj +1 more source
The Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.ABSTRACT The visit to Bogotá of a fééeneminaa (Muinane) friend, Célimo Nejedeka Jifichíu, and in particular, his work in researching and transmitting traditional health knowledge, offer the pretext to navigate the relationship between elements that at first glance seem distant from each other: indigenous imaginaries about otherness, their visions of ...
Giovanna Micarelli
wiley +1 more source
Revista de Métodos Cuantitativos para la Economía y la Empresa, 2021 Este trabajo da cuenta del avance en la integración del Mercado Integrado Latinoamericano (MILA), mediante el estudio de la relación dinámica entre las volatilidades de los mercados que lo componen: Colombia, México, Perú y Chile.
Fuentes Vélez, Mariana +1 more
doaj +1 more source
Methods in Ecology and Evolution, Volume 17, Issue 5, Page 1585-1594, May 2026.Abstract Bioclimatic variables, widely used in ecological and biogeographical studies, are typically derived from 30‐year averages of monthly data (e.g. 1971–2000). Unfortunately, the use of these long‐term averaged variables often creates a temporal mismatch with the observational data collected, which potentially undermines how environmental ...
Gonzalo E. Pinilla‐Buitrago +1 more
wiley +1 more source
Estimação de ordem em modelos AR, ARCH e BEKK-GARCH usando o critério EDC [PDF]
, 2019 Tese (doutorado)—Universidade de Brasília, Programa de Pós-Graduação em Matemática, 2014. ; O critério de informação EDC – Efficient Determination Criterion – foi proposto originalmente para definir uma classe de estimadores de ordem para cadeias deMarkov de espaço de estados finitos.
openaire +2 more sources
Functional Ecology, Volume 40, Issue 4, Page 857-867, April 2026.Read the free Plain Language Summary for this article on the Journal blog. Abstract Many small endotherms employ torpor as a survival strategy to reduce energy expenditure during periods with low food availability and cold temperatures. The expression and physiology of torpor can vary substantially within species because of phenotypic plasticity and ...
Nicholas C. Wu +2 more
wiley +1 more source