Giving the different situations that are generated by armed conflict in Colombia, much people have been violated their rights in the exercise of their citizenship, for this reason, the forced displacement in Colombia has had a vision from the Constitutional to the policies formulation that...

This paper aims to make a contribution on the identification of clue factors that have helped “Imprenta Patrótica” to remain almost invariable since its foundation, in spite of constant implementation processes of technological innovations that have taken place on the local Graphic...

A framework is proposed for analyzing the structure of a diversified business group, according to the function of firms in the group. The areas are: cash sources, financial firms (that facilitate cash flows among firms), firms allowing to keep property and control of the group, high expected...

A decision tree is used to assess the cost effectiveness of adding the type B natriuretic peptid to the revised Lee index of cardiovascular risk. The Lee=3 strategy is cost effective for a WTP lower than Col $11.292.903 at a cost per patient of Col $79.452. Lee strategy with a threshold of 3 has...

Contrast media induced nephropathy is a common cause of kidney failure in hospitalized patients. It has been suggested that high-osmolality contrast media caused less nephropathies than low-osmolality ones. The cost-effectiveness of High- (Iodixanol) and Low-osmolality (Iohexol, Iopamidol and...

The article studies the relation between the 1997 crisis and the diversification of the 5 main business groups in Colombia. The entropy measure of diversification did not fall during the crisis, which agrees with the risk-sharing hypothesis of business groups. Diversification fell after the...

The paper presents an overview of the several sources used by researchers in economics and related fields. It shows the features and advantages of these sources, the characteristics than in this discipline have books, articles and journals, as well as how they are ranked and how impact...

The article studies the diversification behavior of four large diversified Colombian business groups five years before and after the 1991 trade opening, as measured by the entropy index. It is shown that the trade opening did not lead the business groups to reduce their diversification but...

The article searches for quantitative evidence in favor of an extended version of Goodwin´s predator-prey model of endogenous distribution-employment cycles for 16 countries. The model is extended to include several harmonics in both series. The model fits all the observations both within...

Modern microeconomics foundations of industrial regulation policies were developed during the second half of the 19th century. One of the main theoretical and applied debates which is still an issue today concerns natural monopolies. Railroads were at the center of these debates, because of...