Transport Costs are one of the most important sources of barriersto trade. Inspired by this concern, we use an ad-hoc empirical model to examinethe possible determinants of transport costs.Using a country aggregate bilateral transport costs database for 1990, wereplicate Limao and Venables...

Following Anderson and Wincoop (2004) we estimate the elasticityof substitution of the goods imported by the U.S. market for the period comprehended between 1990 - 2003. Our estimates take advantage of the data ontransport costs available at six digit commodity level of the U.S. import...

Este trabajo estima la proporción del ingreso que se destina al pago del IVA al implementar ocho estructuras tributarias utilizando métodos no paramétricos, a partir de la Encuesta de Ingresos y Gastos de 1994. La estructura tributaria más neutral es la definida por la Ley 633 de 2000. Se...