Purpose Value at risk (VaR) is a market risk measure widely used by risk managers and market regulatory authorities, and various methods are proposed in the literature for its estimation. However, limited studies discuss its distribution or its confidence intervals. The purpose of this paper is...

In this paper we propose a new extension of Di–Fonzo (1990)'s methodology for multivariate temporal disaggregation. We assume that the errors of the high–frequency series follow a VAR(1) model instead of a white noise process. Additionally, an extensive review of different univariate and...

En este artículo se propone una extensión de la metodología multivariada de desagregación temporal de Di Fonzo [1990]. Esta supone que los errores de las series de alta frecuencia siguen un modelo VAR(1) en lugar de un proceso ruido blanco. Adicionalmente, se realiza una reseña de...

En este artículo se propone una extensión de la metodología multivariada de desagregación temporal de Di Fonzo [1990]. Esta supone que los errores de las series de alta frecuencia siguen un modelo VAR(1) en lugar de un proceso ruido blanco. Adicionalmente, se realiza una reseña de...

This paper presents an estimation of credit quality transition matrices for commercial banks in Colombia, using a duration hazard function model, and following the methodology proposed by Gómez-González et al (2009). Using a test developed by Weißbach et al (2005), we test for the...

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...

En este trabajo se presenta un modelo estadístico de alerta temprana, que utiliza modelos de duración para evaluar el estado corriente y pronosticar el estado futuro de la salud financiera de los bancos en Colombia. En el artículo se discuten las ventajas que tiene utilizar modelos de...

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...