When nature rebels: international migration, climate change and inequality
AbstractThis article analyzes the link between climate change and international migration. We use a two-country overlapping generations model with endogenous climate change, in which the production in the North generates climate change which negatively affects the productivity of the South. Our main findings are: (i) climate change will increase migration; (ii) small impacts of climate change have significant impacts on the number of migrants; (iv) a laxer immigration policy increases long- run migration, reduces climate change, increases North-South inequality if DRTS are significant; (v) a greener technology reduces long-run migration, provides a double- dividend in favor of the environment, reduces inequality if the migrants' impact to overall climate change is large. The preference over the policies thus depends on whether the policy maker targets inequality, wealth, the number of migrants or the environment, but the qualitative ranking between the policies does not change if the policies are costly.
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Date of creation: Jan 2009
Date of revision:
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climate change; migration; North-South model; overlapping generations; inequality.;
Other versions of this item:
- Luca Marchiori & Ingmar Schumacher, 2011. "When nature rebels: international migration, climate change, and inequality," Journal of Population Economics, Springer, vol. 24(2), pages 569-600, April.
- F22 - International Economics - - International Factor Movements and International Business - - - International Migration
- J61 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Geographic Labor Mobility; Immigrant Workers
- O13 - Economic Development, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
This paper has been announced in the following NEP Reports:
- NEP-ALL-2009-03-28 (All new papers)
- NEP-DGE-2009-03-28 (Dynamic General Equilibrium)
- NEP-ENE-2009-03-28 (Energy Economics)
- NEP-ENV-2009-03-28 (Environmental Economics)
- NEP-MIG-2009-03-28 (Economics of Human Migration)
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