Climate, Water Navigability, and Economic Development
Geographic information systems (GIS) data was used on a global scale to examine the relationship between climate (ecozones), water navigability, and economic development in terms of GDP per capita. GDP per capita and the spatial density of economic activity measured as GDP per km2 are high in temperate ecozones and in regions proximate to the sea (within 100 km of the ocean or a sea-navigable waterway). Temperate ecozones proximate to the sea account for 8 percent of the world’s inhabited land area, 23 percent of the world’s population, and 53 percent of the world’s GDP. The GDP densities in temperate ecozones proximate to the sea are on average eighteen times higher than in non-proximate non-temperate areas.
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- John Luke Gallup & Jeffrey D. Sachs & Andrew D. Mellinger, 1998. "Geography and Economic Development," NBER Working Papers 6849, National Bureau of Economic Research, Inc.
- David E. Bloom & Jeffrey D. Sachs, 1998. "Geography, Demography, and Economic Growth in Africa," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 29(2), pages 207-296.
- Rappaport, Jordan & Sachs, Jeffrey D, 2003. " The United States as a Coastal Nation," Journal of Economic Growth, Springer, vol. 8(1), pages 5-46, March.
- John Luke Gallup & Jeffrey D. Sachs & Andrew D. Mellinger, 1998. "Geography and Economic Development," Harvard Institute of Economic Research Working Papers 1856, Harvard - Institute of Economic Research.
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