Research in international trade, both theoretical and quantitative, is increasingly focussedon the role of firm heterogeneity in shaping trade flows. One strand of the literature showshow firm-specific productivity shocks affect the mix of exporting firms and their foreign salesvolumes (e.g.,...

We examine Colombian export transaction data from customs records in several dimensions. We begin with some basic statistics on the number and frequency of export transactions by a firm, overall and across individual markets. We then decompose the variation in overall exports into the number of...

El presente documento reúne una serie de notas que estudian aspectos empíricos del comportamiento de la tasa de interés y la inflación en Colombia. La presentación se divide en dos secciones. La primera analiza la relación entre la tasa de interés y la inflación, con el fin de evaluar el...