This study addresses market concentration among major corporations, highlighting the utility of relative entropy for understanding diversification strategies. It introduces entropic value at risk (EVaR) as a coherent risk measure, which is an upper bound to the conditional value at risk (CVaR),...

The document estimates the risk embraced by Colombian commercial banks, and establishes a measurement of excessive risk-taking that is consistent with such estimation. The construction of the excessive-risk measurement follows the basic efficient-portfolio framework, in which the variance of an...

En este trabajo se proponen dos tipos de contratos para los préstamos interbancarios con el fin de que los bancos suavicen sus choques de liquidez a través del mercado interbancario. En particular, se estudia la situación en la que los bancos con faltantes de liquidez que tienen bajo riesgo...

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...

Resumen: El presente estudio se enfoca en determinar la relación entre los volúmenes de operación y la asimetría de los rendimientos de los principales mercados accionarios latinoamericanos: Argentina, Brasil, Chile, Colombia, México y Perú. Se utiliza el modelo propuesto por Hutson et al....

Resumen Este documento evalúa el impacto de incluir acciones en el portafolio de reservas internacionales administrado por el banco central de Colombia (Banco de la República). El objetivo es realizar una propuesta de inversión con relación a las acciones que sea acorde a las políticas de...

We evaluate the performance of the Conditional Autoencoder (CAE) model by Gu et al. (2021) in an international context and under economic constraints, such as the exclusion of microcap and illiquid firms, and accounting for transaction costs. The CAE model leverages latent factors and factor...

We evaluate the performance of the Conditional Autoencoder (CAE) model by Gu et al. (2021) in an international context and under economic constraints, such as the exclusion of microcap and illiquid firms, and accounting for transaction costs. The CAE model leverages latent factors and factor...

I review the academic literature on defined contribution retirement plan design and participant behavior. While adoption of automatic enrollment has significantly increased participation rates, recent studies find the long-run effects on savings are smaller than the short-run effects, with some...

This paper estimates the effect of sustainable shareholder engagement on firm's investments. We study the real estate industry where investments are sporadic and occur following depreciation cycles. SEC restrictions (rule 240.14a-8) on shareholder proposals, in combination with the asset...