What are the barriers that separate nations? While recent work provides intriguing clues, we have remarkably little concrete evidence as to the nature, size, and shape of barriers. This paper offers direct and indirect evidence on trade barriers, moving us toward a comprehensive geography of...

International trade occurs in physical space and moving goods requires time. This paper examines the importance of time as a trade barrier, estimates the magnitude of time costs, and relates these to patterns of trade and the international organization of production. Estimates indicate that each...

Recently gravity trade models are applied to disaggregated trade data. Here many zeros arecharacteristic. In the presence of excess zeros usual Poisson Pseudo Maximum Likelihood(PPML) is still consistent, the variance covariance matrix however is invalid. Correcteconomic interpretation however...

Recent literature about gravity models points out the importance of institutional frictions in the international market of agricultural products beyond the traditional economics variables as transport costs reducing the mass of trade in bilateral relationships. In particular, previous...

The paper analyses the dynamics of the Italian olive oil trade and gives a preliminary explanation of the opportunity in the international market. The paper starts showing the description of olive oil chain and production and underlining the main factors affecting the import export system.The...

Replaced with revised version of paper 06/08/2010.

¿Cuáles son los efectos sobre el comercio de los acuerdos comerciales con disposiciones laborales? Esta pregunta ha ganado fuerza debido a la creciente importancia de los acuerdos comerciales y la proliferación de cláusulas especificas relacionadas con los derechos y condiciones laborales...

Entre su Unificación y la Primera Guerra Mundial, la cambiante composición de las exportaciones de Italia reflejó su transformación económica. En este artículo, descompongo el crecimiento de las exportaciones italianas en sus márgenes y luego analizo los determinantes de las exportaciones...

Este documento utiliza un modelo de gravedad para estimar los efectos del brexit en dos dimensiones: el comercio de bienes y la migración. Simulamos dos escenarios: 1) no acuerdo, con reversión a las reglas de la OMC y sin trato especial para los migrantes ; 2) firma de un acuerdo bilateral de...