Vol 7, No 14 (2004)

When observing from academics means, the social crisis as much as economic of Colombia, mainly in their rural area, being affected the farmers, segment of population very deeply rooted less favored by the
State, is necessary to today present/display proposals from solution to
their problems and that way same to those of the country and their
regions. What it is tried with this article, product of the project of investigation about the new management forms of work in the rural area of municipality of Frontino, is indeed to try to determine the incidence of them in the improvement of the conditions of existence of the rural population of the area. 

The hipothesis of Kuznets’ Environmenal Curve explores the existing
relationship between the economical growth and the environmental quality, in an attempt to show that on the short run, the economical growth generates a greater enviromental deterioritation while on the long run, the richer the economies get, the more beneficial the economical growth becomes for the environment, that is, the quality of the environment improves with the increase of income.

For all tose professionals interested in the field of finances, be they
economists or not, it is of the most importance to reach a detailed knowledge over the techniques ans instruments that can be used in order to evaluate  the risks and the performances of those assets in which one may wish to invest.

This article presents a brief yet clear description over the various models that have been developed since 1952, the year in which Harry Markowitz first introduced his portfolio theory. In other words, this essay presents the evolution or the State-of-the-art of the economical Theory in Financing

The importance of the stochastic differential equations, and, in general of the stochastic calculus in economics, has not been properly emphasized in our academic communities. Unlike the applications to finance, the our academic environment. This elementary course is an invitation inter-disciplinary groups of Mathematics and Economics to st utod yc resautceh, applications.