This article validates the chaotic behavior in the Argentinean, Brazilian, Canadian, Chilean, American, Peruvian and Mexican Stock Markets using the MERVAL, BOVESPA, S&P TSX COMPOSITE, IPSA, IGPA, S&P 500, DOW JONES INDUSTRIALS, NASDAQ, IGBVL and IPC Stock Indexes respectively. The results of...

Testing for the assumption of independence between spatial variables is an important first step in spatial conometrics. Usually the researchers use the bivariate generalization of the Moran’s statistic, specifying a spatial matrix a priori. This test is applicable only to detect linear...

This paper studies the effects of school attributes on test scores in the city of Bogotá. The paper shows, first, that both teacher-pupil ratios and teacher education are positively correlated with higher test scores, and, next, that these associations are circumscribed to private schools. In...

This paper examines the effects of family background and school characteristics on standardized test results. We use the ICFES test: the Colombian equivalent to the American SAT. The paper reaches three main conclusions. First, parental schooling has a substantial effect on test results. Second,...

En este documento se presenta una metodología para el cálculo del Ranking acumulado de las entidades financieras que participan en la encuesta mensual de expectativas de inflación y tasa de cambio nominal (TRM), realizada por el Banco de la República. La metodología se basa en la prueba...

En este documento se presenta una metodología para el cálculo del Ranking acumulado de las entidades financieras que participan en la encuesta mensual de expectativas de inflación y tasa de cambio nominal (TRM), realizada por el Banco de la República. La metodología se basa en la prueba...

Monitoring land degradation processes is crucial for progressing towards the protection, restoration, and sustainable use of terrestrial ecosystems. In this study, the Sustainable Development Goal (SDG) Indicator 15.3.1, "proportion of degraded land over total land area," was estimated for 339...

This paper shows and analyses the concept of instream value of water. New concepts both on water accounting and management show up by building an appropriate framework to deal with these instream uses. More precisely, real or net consumption definition highlight the fact that there is no such a...

Este documento de investigación estima las emisiones netas de carbono provenientes del cambio en el uso de tierra en Bolivia durante los periodos 1990 - 2000 y 2000 - 2010 utilizando un modelo de contabilidad de carbono que incluye deforestación, degradación de bosques, regeneración de...