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Climate Change, Agriculture and Migration: A Survey

Author

Listed:
  • Chiara Falco

    (Department of Environmental Science and Policy, University of Milano, 20122 Milano, Italy)

  • Franco Donzelli

    (Department of Environmental Science and Policy, University of Milano, 20122 Milano, Italy)

  • Alessandro Olper

    (Department of Environmental Science and Policy, University of Milano, 20122 Milano, Italy
    LICOS—Centre for Institution and Economic Performance, KU Leuven, 3000 Leuven, Belgium)

Abstract

This paper proposes a selective review of the classical economics-based literature on climate change and migration, focusing on the extent to which agriculture might be considered a key mediating channel linking climate change to migration. Overall, climate change is expected to have large and negative effects on the global economy. These effects are even more evident whenever the economic sector considered is the agricultural one, particularly in developing countries. Hence, migration can be viewed as a specific form of adaptation implemented by individuals and households, enabling them to cope, among other things, with weather-induced risk. We show that the importance of agriculture emerges from both plenty of micro-level country studies and relatively few macro-level analyses using cross-sectional data over longer time periods. Thus, policy actions targeted to sustainable agriculture and rural development can both help tackle the challenges posed by climate change and create opportunities in the face of growing migration issues. However, we also stress that much of the current evidence is based on statistical associations that have nothing to do with causal inferences. This calls for the use of a more structural approach and more sophisticated research designs, enabling the researchers to better discriminate among different mechanisms concurrently at work. In addition, further research should be addressed to the role played by food security, a complex dimension largely missing in the current debates on climate change and migration.

Suggested Citation

  • Chiara Falco & Franco Donzelli & Alessandro Olper, 2018. "Climate Change, Agriculture and Migration: A Survey," Sustainability, MDPI, vol. 10(5), pages 1-21, May.
  • Handle: RePEc:gam:jsusta:v:10:y:2018:i:5:p:1405-:d:144280
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    5. Chambru, Cédric, 2020. "Weather shocks, poverty and crime in 18th-century Savoy," Explorations in Economic History, Elsevier, vol. 78(C).
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