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...

The financial crisis of the late 2000's highlighted the importance of strengthening risk management systems in financial markets. Consequently, an increasing interest in strategies to quantify risk under extreme scenarios has spawned. One of such techniques is CrashMetrics, a methodology for...

En este documento se presenta una aplicación al sistema bancario colombiano de la metodología de prueba de estrés propuesta por Cihák (2007). El análisis de las posibles consecuencias generadas por diversos choques económicos sobre el sistema bancario se desarrolla involucrando cinco...

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...

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...

This study presents an alternative way of estimating credit transition matrices using a hazard function model. The model is useful both for testing the validity of the Markovian assumption, frequently made in credit rating applications, and also for estimating transition matrices conditioning on...

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...

This paper identifies the main bank specific determinants of time to failure during the financial crisis in Colombia using duration analysis. Using partial likelihood estimation, it shows that the process of failure of financial institutions during that period was not a merely random process;...

Under the view that the market is a weighted and directed network (Barabási, 2003), this document is a first attempt to model the Colombian money market within a spatial econometrics framework. By estimating two standard spatial econometric models, we study the cost of collateralized borrowing...

El objetivo de este documento es realizar una estimación de la distribución de pérdidas de las carteras comercial y de microcrédito mediante una aproximación no paramétrica. Se utilizó la metodología de bootstrapping para encontrar esta distribución de pérdidas como porcentaje del...