Results 41 to 50 of about 67,641 (216)

Estimating Volatility Returns Using ARCH Models. An Empirical Case: The Spanish Energy Market

Lecturas de Economía, 2009
Este artículo analiza las regularidades más comunes en las series de tiempo del rendimiento diario de las acciones del mercado de energía de España, desde un punto de vista empírico.
Ricardo Alberola
doaj   +1 more source

Indícios econômicos de cartel na revenda de GLP:

Revista de Defesa da Concorrência, 2023
Contextualização: Estudos empíricos, que tem como objetivo detectar indícios econômicos de cartel, vem ganhando relevância na literatura internacional e nacional.
Rosangela Fernandes, Leonardo de Jesus Júnior   +1 more
doaj   +1 more source

Measurement of volatility in financial time series: an evaluation of the representative exchange rate market (ERM) in Colombia [PDF]

, 2009
Existen diferentes métodos para la medición del agrupamiento de la volatilidad en las series financieras, en las cuales el supuesto sobre la distribución del error determina la estructura de la función de log verosimilitud.
Montenegro, Roberto
core   +1 more source

Historical SDI, thematic maps and analysis of a complex network of medieval towers (13th-15th century) in the moorish strip [PDF]

, 2018
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XLII-4, 2018 ISPRS TC IV Mid-term Symposium “3D Spatial Information Science – The Engine of Change”, 1–5 October 2018, Delft, The NetherlandsThis ...
Ferreira Lopes, Patricia, Molina Rozalem, Juan Francisco   +1 more
core   +2 more sources

A análise da volatilidade do índice PSI-20 baseada modelos ARCH e GARCH [PDF]

Portuguese Journal of Management Studies, 2003
A volatilidade desempenha um papel importante na avaliação dos activos financeiros, daí que proliferem na literatura estudos com vista a sua especificação e medida. Existem várias técnicas para a estimação da volatilidade sendo a volatilidade determinística uma das mais utilizadas.
Elisabete Mendes Duarte, José Alberto Soares da Fonseca   +1 more
openaire   +1 more source

Biodiversity‐driven spatial conservation planning to delineate temporally stable regions

Conservation Biology, EarlyView.
Abstract The accelerating loss of biodiversity underscores the critical need for effective conservation strategies, particularly in the face of climate change and anthropogenic pressures. We devised a conservation planning framework that adopts a temporal stacking approach to species distribution models and landscape connectivity analyses. These models
Mattia Iannella, Viviana Cittadino, Ilaria Bernabò, Antonio Romano, Maurizio Biondi, Davide Serva   +5 more
wiley   +1 more source

MODELO LOG-NORMAL PARA PREDICCIÓN DEL PRECIO DE LAS ACCIONES DEL SECTOR BANCARIO // LOG-NORMAL MODEL FOR PREDICTING THE PRICE OF SHARES OF THE BANKING SECTOR // LOG-NORMAL MODELO DE PREDIÇÃO DO PREÇO DAS AÇÕES DO SETOR BANCÁRIO

Dimensión Empresarial, 2015
El objetivo de este artículo de investigación es la predicción de las cotizaciones de las acciones del sector bancario que cotizaron en el índice general de la bolsa de valores de Colombia (IGBC) durante el periodo 2008 – 2012.
Edder Parody Camargo, Arturo Charris Fontanilla, Rafael García Luna   +2 more
doaj   +1 more source

A practical, adaptive compliance management framework for improving marine protected area effectiveness

Conservation Biology, EarlyView.
Abstract Noncompliance regularly undermines the effectiveness of marine protected areas (MPAs) worldwide. The reasons for and drivers of noncompliance depend on the context (e.g., insufficient funding, capacity, neocolonialism, historical conflict), but the prevalent solution offered to curtail noncompliance tends to be more or better enforcement.
B. Bergseth, C. Moltzen, A. Arias, J. Aumend, M. Guilbeaux, R. Oyanedel, R. Parsons, C. Pukini, A. Quintana, C. Wilcox, J. C. Day   +10 more
wiley   +1 more source

Métodos discretos y continuos para modelar la densidad de probabilidad de la volatilidad estocástica de los rendimientos de series financieras [PDF]

, 2007
En este trabajo se consideran los rendimientos diarios de un activo financiero con el propósito de modelar y comparar la densidad de probabilidad de la volatilidad estocástica de los retornos.
Grajales Correa, Carlos Alexánder, Pérez Ramírez, Fredy Ocaris   +1 more
core  

A framework for maximizing the benefit from retaining regrowth on private land

Conservation Biology, EarlyView.
Abstract Conservation interventions often have lower‐than‐desired positive impacts, as revealed by retrospective counterfactual‐based evaluations. To address this, a prospective counterfactual‐based approach can be used to estimate potential benefits and design conservation interventions to maximize outcomes. We developed a framework for estimating the
Hannah Thomas, Jeremy S. Simmonds, Michelle S. Ward, Laura J. Sonter, Martine Maron   +4 more
wiley   +1 more source