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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...
Persistent link: https://www.econbiz.de/10010733996
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...
Persistent link: https://www.econbiz.de/10010862639
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...
Persistent link: https://www.econbiz.de/10010558573
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...
Persistent link: https://www.econbiz.de/10005274574
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...
Persistent link: https://www.econbiz.de/10008802535
Classic financial theory relies on the absolute perfection of capital markets, which results in one of the milestones of theoretical corporate finance: the firm’s value is invariant to the choice of capital structure. As an extension to the aforementioned proposition by Modigliani and Miller...
Persistent link: https://www.econbiz.de/10005051651
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...
Persistent link: https://www.econbiz.de/10009321791
Este documento describe la metodología desarrollada por Vapnik (1995), denominada máquinas de vectores de soporte (SVM, por sus siglas en inglés) y realiza dos aplicaciones al caso de clasificación de agentes para el otorgamiento de créditos a partir de sus características. El primer caso...
Persistent link: https://www.econbiz.de/10009351501
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...
Persistent link: https://www.econbiz.de/10008675737
A maximum likelihood method for estimating the power-law exponent verifies that the positive and negative tails of the Colombian stock market index (IGBC) and the Colombian peso exchange rate (TRM) approximate a scale-free distribution, whereas none of the heavy tails of a local sovereign...
Persistent link: https://www.econbiz.de/10010862660