Using data for all exporters, we show that it is a small group of firms that dominate exports in Spain. For example, in 2015 the top 200 firms were responsible for half of Spanish exports. This concentration has not changed substantially over the 1997-2015 period. The dominance of a few firms, a...

There is abundant evidence that immigrants' networks are associated with larger trade flows between countries of origin and the country (or province) where they settle. The causality of such relation and its magnitude, however, have not been proven beyond reasonable doubt. We use the simple...

Utilizamos herramientas de análisis de redes para identificar las comunidades de países de destino de los exportadores. Nuestra medida de comunidad está basada en el resultado de decisiones reales, captura la dependencia multilateral entre países en lugar de la dependencia bilateral, y se...