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...

La práctica sobre políticas de inversión diferencia entre la definición de la composición del portafolio de referencia de largo plazo o benchmark y de los mecanismos de desviación en el corto plazo respecto a ese portafolio, en lo que se conoce como asignación estratégica de activos y...

The recent financial crisis has renewed the interest of economists, both at the theoretical and empirical level, in developing a better understanding of credit and its mechanisms. A rapidly growing strand of the literature views banks as facing funding restrictions that condition their borrowing...

En este documento presentamos y utilizamos una base de datos demográficos y macroeconómicos colombianos del período 1925-2000. Del examen de estos datos sobresalen algunos rasgos interesantes. Entre estos se destacan la transición demográfica, iniciada a mediados del siglo XX, y las...

Este documento explora algunos aspectos del mercado laboral urbano durante el último cuarto de siglo en Colombia. El artículo trata de identificar aspectos novedosos a través de datos que habían sido poco explotados anteriormente. El objetivo del artículo es abrir preguntas de...

The demographic transition from high to low mortality and fertility rates was one of the most important structural changes during the twentieth Century in most Latin American economies. This paper uses a simple economic framework based on Galor and Weil (2000) for understanding the main forces...

This paper estimates transition matrices for the ratings on …nancial insti-tutions, using an unusually informative data set. We show that the processof rating migration exhibits signi…cant non-Markovian behavior, in the sensethat the transition intensities are a¤ected by macroeconomic and...

This paper estimates transition matrices for the ratings on financial insti-tutions, using an unusually informative data set. We show that the process of rating migration exhibits significant non-Markovian behavior, in the sense that the transition intensities are affected by macroeconomic and...

In the present paper we remark that the absence of an intrinsic or fundamental value represents a problem for the stability of the bitcoin’s price as an asset. In addition, we consider some financial stability concerns that derive from the hypothesis that the bitcoin will survive as an asset...

Utilizando información del sistema de ahorro individual entre 1998 y 2005, se encuentra evidencia de que la tasa de retorno real de los fondos y la población ocupada son los determinantes principales del número de cotizantes a las distintas AFP. El valor promedio del fondo, utilizado como...