Purpose: In this paper, the volatility of Croatian stock market index CROBEX is investigated using GARCH(1,1) model. Methodology: The novelty provided by paper estimation model three conditional error distributions (normal (Gaussian) distribution, Student’s-distribution with fixed degrees freedom and generalized distribution (GED) parameters). Results: findings obtained in research are line pre...

In Brazil, research related to the occurrence and prevention of debris flows is incipient when compared extent impacts caused by phenomena. There a need for further studies that consider susceptibility hazard, especially in areas are environmentally socioeconomically vulnerable. This study aimed at assessing debris-flow hazard Rio das Pedras watershed, Cubatão (State São Paulo, Brazil), based o...

Esta pesquisa busca responder se a Lei n. 17.985/2013, que regulamenta pesca no Estado de Goiás, está garantindo o turismo seja feito maneira sustentável. A foi realizada na comunidade Itacaiu, às margens do Rio Araguaia. Foi verificado região estudo vem sofrendo com predatória devido ao conhecimento limitado dos pescadores sobre e à falta fiscalização governamental. Peixes fora medida espécies...

Este estudio tiene como objetivo analizar la inundación causada por falla hipotética de Presa Mulacorral, cuyo embalse está localizado en cuenca alta del río Ambato cota 3831 msnm. La presa ubicada a 42 kilómetros dirección noroeste ciudad Ambato, capital Provincia Tungurahua, Ecuador. Para el análisis, se consideró una longitud cauce 50 aproximadamente, desde pie hasta los límites sector plant...

The essential oil (EO) of Cota tinctoria var. was analyzed using GC-FID / MS. A total 51 compounds were determined from this taxon, accounting for 99.79% in hydrodistillation. Monoterpenes the primary chemical class volatile organic EO (36.1%, 13 compounds). Borneol (18.1%), camphor (14.9%), and β-pinene (11.3%) major components C. tinctoria. antimicrobial activities n-hexane, acetonitrile, met...