This article uses political maps to trace the ways in which the geopolitical transformation of California -- from a state divided along North/South lines to one split between the conservative inland areas and the more liberal coastal communities -- has also changed the state's two parties....

We analyze whether landlocked regions are systematically poorer, using panel data for 1,527 regions in 83 nations from 1950-2014 and exploiting within-country-time variation. Lacking ocean access decreases regional GDP/capita by ≈13%. Specifically, coastal distance matters but not the length...

We investigate georeferenced household‐level data consisting of up to 128,609 individuals living in 11,261 localities across 17 coastal sub‐Saharan African countries over 20 years. We analyze the relevance of coastal proximity, measured by the geographic distance to harbors, as a predictor...