Local Sectoral Specialization in a Warming World

Klaus Desmet, Bruno Conte, David Nagy () and Esteban Rossi-Hansberg

No 15491, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: This paper quantitatively assesses the world's changing economic geography and sectoral specialization due to global warming. It proposes a two-sector dynamic spatial growth model that incorporates the relation between economic activity, carbon emissions, and temperature. The model is taken to the data at the 1º by 1º resolution for the entire world. Over a 200-year horizon, rising temperatures consistent with emissions under Representative Concentration Pathway 8.5 push people and economic activity northwards to Siberia, Canada, and Scandinavia. Compared to a world without climate change, clusters of agricultural specialization shift from Central Africa, Brazil, and India's Ganges Valley, to Central Asia, parts of China and northern Canada. Equatorial latitudes that lose agriculture specialize more in non-agriculture but, due to their persistently low productivity, lose population. By the year 2200, predicted losses in real GDP and utility are 6% and 15%, respectively. Higher trade costs make adaptation through changes in sectoral specialization more costly, leading to less geographic concentration in agriculture and larger climate-induced migration.

Keywords: Global warming; Sectoral specialization; Trade; Migration; Geography; Growth; Space (search for similar items in EconPapers)
JEL-codes: F18 O13 O41 Q56 R11 R12 (search for similar items in EconPapers)
Date: 2020-11
New Economics Papers: this item is included in nep-env, nep-geo and nep-res
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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Related works:
Journal Article: Local sectoral specialization in a warming world (2021)
Working Paper: Local Sectoral Specialization in a Warming World (2020)
Working Paper: Local Sectoral Specialization in a Warming World (2020)
Working Paper: Local sectoral specialization in a warming world (2020)
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