This paper analyses the impact of various pricing systems for electricity in Medellín, Colombia. The basic system is one of simple marginal cost pricing with no two-part elements and single price is that for which Medellín can buy and sell electricity form national network. We consider various...

This paper considers the challenges provided in recently deregulated telecommunications industry. It emphasizes the need for entrants to be sensitive to the political and social conditions of the new market but suggests that the incumbent rational firm -the Telecom monopoly- will not be easy to...

With the purpose of obtaining a better comprehension of the determining of the levels of economic activity, consumption, prices and other macroeconomic variables, the small open or dependent economies have developed adequate models which consider their specific characteristics, not taken into...

The methodology proposed by Blackorby and Donaldson (1978) allows one to investigate the ethical properties implicit in indices designed to measure distribution. Its application suggests that the Gini index is not especially egalitarian and suffers other deficiencies. Indices of the family...

This paper traces the evolution of a new theory of state within neoclassical economics. The first section deals with the traditional view of the state as a benevolent dictator manipulating the economy with the disinterested objective of rectifying obvious failures of the market. The central part...

Using fundamentally graphic approach the article intends to reconstruct the macro-economic thinking of the last forty or fifty years, from the Keynesian multiplicator beyond the rational expectation. In section l the traditional Keynesian model is developed; in section II it is siglitly modified...