Several ancient urban centres worldwide are characterized by natural and anthropogenic cavities excavated just beneath the walkable floor (about 1-3 m depth). Sometimes these caves have been excavated by underground waters in calcareous rocks or the most cases they were manmade since the Roman...

This study suggests a model for the agglomerative behaviour of MNEs with local competitors. Relying on foreign MNEs’ spatial distribution across 686 Italian Local Labor Systems, we find that MNEs’ locational behaviour is influenced by (i) informational externalities, giving rise to...