This paper proposes a simple Ordered Probit model to analyse the monetary policy reactionfunction of the Colombian Central Bank. There is evidence that the reaction function isasymmetric, in the sense that the Bank increases the Bank rate when the gap between observedinflation and the inflation...

En este trabajo se estudian las características de los incentivos para invertir en bienes de capitalcon mayor durabilidad. Se considera el hecho de que las economías que invierten en bienes decapital menos duraderos pueden tener menor crecimiento económico. Se elabora un modelo teóricoen el...

Este artículo muestra la relación existente entre las políticas de Ciencia y Tecnología (CyT) y los resultados que éstas han producido a través del gasto en CyT, como indicador de insumo, y de las publicaciones, como indicador producto. El documento describe el proceso histórico que ha...

We examine for the first time the association of different measures of ownership and control, and separation ratios with firm’s value and performance for 108 non-financial firms that traded their stock during the period 1998 to 2002. We found that large blockholders exert a positive influence...

In this paper we overcome a lacks of Black-Scholes model, i.e. the infinite propagation velocity, the infinitely large asset prices etc. The proposed model is based on the telegraph process with jumps. The option price formula is derived.

En este trabajo se examinan los más importantes estudios realizados sobre la pobreza, el empleo y la distribución del ingreso en zonas rurales de Colombia, con especial referencia a la década de 1990. Aunque hay cierta dificultad para identificar los "hechos estilizados" que caracterizan la...

In this paper we introduce a financial market model based on continuous time random motions with alternating constant velocities and with jumps occurring when the velocity switches. If jump directions are in the certain correspondence with the velocity directions of the underlying random motion...

This work shows if firms use debt strategically in order to stop entry of potential rivals in their industry. Using Generalized Method of Moments estimation (GMM) we evaluate the effect of assets, market share and size as proxies for market revenue, and the entry barriers over indebtedness...

The document seeks to evaluate the existence of cross subsidization between the regulated and competitive parts of the postal sector. We analyze the incentive to make cross subsidization when prices are regulated by Ramsey Pricing or by Global Price Cap. By means of a linear demand function, we...

This paper describes the developments of technical education in England, Germany, and France during the nineteenth century, contrasting their similarities and differences. It also analyses the role of the State in the provision of technical education in those countries. The paper suggests that...