This paper studies how information and communication technology (ICT) affects the firm geographic organization and its implications on aggregate efficiency. ICT can widen firms' geographic span of control by reducing their internal communication costs. Empirical evidence from confidential US...

This paper revisits the hypothesis that landlocked regions are systematically poorer than regions with ocean access, using panel data for 1,527 subnational regions in 83 nations from 1950-2014. This data structure allows us to exploit within-country-time variation only (e.g., regional variation...