First developed by Markowitz (1952), the mean-variance framework is the most widespread theoretical approximation to the portfolio problem. Nevertheless, successful application in the investment community has been limited. Assumptions such as normality of returns and a static correlation matrix...

Este documento evalúa la regulación vigente relacionada con la inversión de los recursos de los Fondos de Pensiones Obligatorios (FPO), para lo cual se analiza el perfil de eficiencia del sistema dadas sus actuales restricciones. De acuerdo con los resultados obtenidos, se observa que el...

Whilst emphasis has been given to short-term dependence of financial returns, long-term dependence remains overlooked. Despite financial literature provides evidence of long-term’s memory existence, serial-independence assumption prevails. This document’s long-term dependence assessment...

Este documento evalúa la regulación vigente relacionada con la administración de los portafolios de los Fondos de Pensiones Obligatorios (FPO), para esto revisa la literatura relacionada con la eficiencia del Sistema dadas sus actuales restricciones. Se concluye que el marco regulatorio de...

Financial basics and intuition stresses the importance of investment horizon for risk management and asset allocation. However, the beta parameter of the Capital Asset Pricing Model (CAPM) is invariant to the holding period. Such contradiction is due to the assumption of long-term independence...