Geography and Agricultural Productivity: Cross-Country Evidence from Micro Plot-Level Data
Tasso Adamopoulos () and
Diego Restuccia ()
No 24532, NBER Working Papers from National Bureau of Economic Research, Inc
Why is agricultural productivity so low in poor countries relative to the rest of the world? Is it due to geography or constrained economic choices? We assess the quantitative role of geography and land quality for agricultural productivity differences across countries using high-resolution micro-geography data and a spatial accounting framework. Our rich spatial data provide in each cell of land covering the entire globe actual yields of cultivated crops and potential yields for 18 crops, which measure the maximum attainable output for each crop given soil quality, climate conditions, terrain topography, and a level of cultivation inputs. While there is considerable heterogeneity in land quality across space, even within narrow geographic regions, we find that low agricultural productivity in poor countries is not due to poor land endowments. If countries produced current crops in each cell according to potential yields, the rich-poor agricultural yield gap would virtually disappear, from more than 200 percent to less than 5 percent. We also find evidence of additional productivity gains attainable through the spatial reallocation of production and changes in crop choices.
JEL-codes: O1 O11 O13 O14 O4 (search for similar items in EconPapers)
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Working Paper: Geography and Agricultural Productivity: Cross-Country Evidence from Micro Plot-Level Data (2018)
Working Paper: Geography and Agricultural Productivity: Cross-Country Evidence from Micro Plot-Level Data (2017)
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