En este estudio calculamos un indicador de la actividad de shadow banking en Colombia para el período comprendido entre enero de 2011 y marzo de 2013. Dicho indicador sugiere que esta actividad ha venido incrementándose y representa cerca del 9,9% del PIB de 2012. Adicionalmente, evaluamos el...

Since correlation may be interpreted as a measure of the influence across time-series, it may be conveniently mapped into a distance and into a weighted adjacency matrix. Based on such matrix, network theory has attempted to filter out the noise in correlation matrices by extracting the dominant...

Este documento realiza una descripción de las medidas de dependencia consus principales ventajas y desventajas y presenta a la cópula como una estructura flexibleque permite caracterizar diferentes tipos de dependencia. Adicionalmente, introduce eluso de la cópula en la medici´on de riesgo...

En este trabajo se analizan algunos aspectos de la regulación relacionada con el manejo del riesgo de mercado establecida por la Superintendencia Financiera de Colombia, donde se propone el valor en riesgo (VaR) como la medida para cuantificar este tipo de riesgo. No obstante, esta regulación...

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...

In this paper we find empirical evidence of bank lending channel for Colombia, using a balanced panel data of about four thousand non-financial firms. We find that increases in the interest rate, proxiing for the monetary policy instrument, lead to a reduction in the proportion of bank loans,...

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...

According to traditional literature, liquidity risk in individual banks can turn into a system-wide ¯nancial crisis when either interbank credit exposures or bank runs are present. This paper shows that this phenomenon can also arise when individual liquidity risk trans- forms into system-wide...

This paper examines the relationship between mortgage default decisions andrelevant observable variables under the light of a random utility model. The focusof the study is the Colombian mortgage market between 1997 and 2004 using twoseparate data sets that are matched using simulation...

This paper studies the behavior of the survival function of accruing loans during the slowdown experienced by the Colombian economy between January-2008 and March-2009 as documented by Alfonso et al. (2013). We use a dataset with information of different vintage loans between July-2007 and...