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...

Financial system’s health is a signal of economic growth therefore it is a key indicator to investors. As a consequence, one of the main purposes of policymakers is to keep its stability as well as protect it from foreign activity. Both financial and economic activity in general are...

En este documento se analiza la exposición al riesgo de mercado del portafolio de deuda pública de las diferentes entidades del sistema ?nanciero Colombiano desde dos perspectivas. En la primera, se emplea el enfoque tradicional en donde se calcula el valor en riesgo no condicional (a otras...

La existencia de memoria de largo plazo en las series financieras implica que los retornos de un activo hoy pueden tener incidencia sobre los retornos futuros, incluso más allá del corto plazo. En presencia de dicha memoria el horizonte de inversión elegido puede resultar en diferentes...

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...

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...

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...

En este documento se caracteriza el endeudamiento del sector corporativo privado con el sistema financiero durante el período 1998-2005, y se hallan los determinantes de la probabilidad de que una empresa colombiana incumpla con el pago las obligaciones que ha contraído con este. A través de...