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...

El trabajo evalúa el estado de las prácticas de gobierno corporativo en las empresas que negocian acciones ordinarias en la Bolsa de Colombia. Esta tarea se lleva a cabo mediante la construcción de un Índice de Gobierno Corporativo construido con información pública. Por otra parte se mide...

In financial theory, the optimal allocation of assets and its relationship with profitability has been one of the main concerns; the question has always been if banks should focus or diversify their assets. In our case, we would like to answer this question focusing in diversification of the...

To date, there is still great controversy as to which exchange rate model should be used or which monetary channel should be considered, when measuring the effects of monetary policy. Since most of the literature relies on structural models to address identification problems, the validity of...

En este trabajo se brindan elementos adicionales en la comprensión de la dinámica de la tasa de cambio en Colombia. Por una parte, se analiza la información de una encuesta dirigida a los agentes del mercado cambiario; en ella se resalta la diferencia que exhiben los agentes en torno a los...

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...

This work analyzes the relationship between real interest rates and commodity prices. According to Frankel’s hypothesis (1986-2006): "low real interest rates lead to high real commodity prices". However, some empirical evidence suggests that commodity prices can predict monetary policy. In...

En el presente trabajo se muestra evidencia para rechazar la Hipótesis de Mercado Eficiente (HME) a través de la anomalía efecto día (day effect). Se utilizan dos aproximaciones: la primera, bajo el supuesto de normalidad, estima un modelo lineal que corrobora los hallazgos de estudios...

This paper approaches active management of baskets of currencies from the perspective of Complexity theory, where the market is analysed as a Complex Adaptive system. A basket of currencies is constructed using objective probabilities (propensities) and an artificial intelligence optimization...

In a dynamic, stochastic, general equilibrium model,we explore the optimal response of the inhabitans of a closed economy to an inefficient ad hoc financial system that in its intermediation duty looses a fraction of aggregate savings which otherwise would become aggregate investment. The...