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Ítem Elementos para la construcción de una política pública de bilingüismo en el Valle del Cauca: un análisis descriptivo a partir del censo ampliado de 2005(Universidad Icesi, 2012-10-01) Alonso Cifuentes, Julio César; Gallo, Beatriz Eugenia; Torres, GiselleCompetitiveness indexes reflect a poor performance in the Valle del Cauca, especially as regards human capital. A bilingualism public policy helps to accumulate human capital, give access to new markets, and better information, which make the development of other factors required for competitiveness possible. This document makes a primary diagnosis of bilingualism in the Valle del Cauca that provides arguments for an effective bilingualism policy. We used data from the bureau of statistics of Colombia. Results point to the need of making bilingualism a central issue in the public agenda, in order to make Valle del Cauca a competitive regionÍtem Integración espacial del mercado de la papa en el Valle del Cauca: dos aproximaciones diferentes, una misma conclusión(Universidad Icesi, 2006-03-01) Alonso Cifuentes, Julio CésarThis paper analyses the potato market spatial integration for Valle del Cauca. We use weekly potato prices for the period 2003:52 – 2005:42. Traditional cointegration analysis has been applied as well as an innovative approach: dynamic co-movement. This new approach implies measures of time series cohesion (suggested by Croux, Forni and Reichlin (2001)). Results indicate spatial market integration for Valle del Cauca. The time series traditional methods also show that changes in Cali’s market prices precede changes in market prices of Armenia, Bogotá, Manizales and Pasto. This result supports the evidence that Cali acts as a central market. Furthermore, dynamic correlations are stronger in the long run than in relatively short periods of less than two and a half weeks.