This study examines the causal effect of removing lockdown policies on new COVID-19 cases and deaths in Colombia, where abrupt ends to lockdowns were induced by sales tax holidays. Due to endogeneity issues, the causal effect of removing lockdowns has been challenging to measure. Using an...

Spanish Abstract: Se plantea el coeficiente de dependencia asintótica, basado en cópulas, como una medida para la administración del riesgo en portafolios de acciones. Se describen algunos aspectos de las estructuras macro y microeconómicas del mercado en Colombia, motivando la introducción...

This paper studies the effect of exchange rate uncertainty on the deviations of Covered Interest Rate parity. I develop a method for estimating the daily uncertainty via endogenous factor clustering to determine the currency grouping and an optimal number of groups and general factors explaining...