Cover -- EDITORIAL ADVISORY BOARD -- Guest editorial -- Competitive advantage and industrial district -- Spatial agglomeration and specialization in emerging markets -- Emergence of a digital cluster in east London: birth of a new hybrid firm -- The impact of actors, networks and institutions in...

This paper tests the evolution of the relationship between localization and proximity and their effect on firm performance for a sample of 10,490 Spanish textile firms in the period 2001--2006. Using coefficients of specialization two levels of geographical disaggregation are distinguished: (i)...