Descripción: “...Finally, some scenarios were carried out in terms of amount, duration, source and rate debt, and estimated the value of the company and the change in the Weighted Average Cost of Capital (WACC), based on two ditferent scenarios. 1) Maintaining the same level of perceived risk (same rating) and 2) Changing rating – increasing leverage but decreasing the WACC. ...”

Descripción: “...Various representatives of the colombian educational system, and in particular higher education, agree in accepting that requires a change in the law 30 to transform the reality of the past 18 years, this gives rise to some questions and suggestions from the reform project that is available for the national discussion and which proposes an intervention to boost the sustainability of the aims expressed in more and better students, young colombians, making part of the higher education in Colombia to confront a changing world and without borders. this is summarized in the questions: do raised project incorporates the actions necessary and sufficient to achieve the transformation of the results of higher education? ...”

Descripción: “...Overall, variations in erosion rates were observed with changes in the vegetal coverage and statistical homogeneity in the gauging data, which allowed adjust them to a regression model, with correlation coefficient upper to 88%. ...”