This paper analyzes particular areas of tax policy that have concerned the Colombian authorities during the 1990s, while comprising a comprehensive approach to tax reform over time. It is intended to allow the reader to view in technical detail the type of analysis conducted in a representative...

This paper modifies the “standard” methodology for calculating the economic opportunity cost of foreign exchange (EOCFX), so as to incorporate into its calculation the distortions involved in the act of “sourcing” in the capital market the funds that will be spent by the project. Once we...