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When nature rebels: international migration, climate change and inequality

Author

Listed:
  • Luca Marchiori

    (UCL IRES - Institut de recherches économiques et sociales - UCL - Université Catholique de Louvain = Catholic University of Louvain)

  • Ingmar Schumacher

    (Department of Economics - Trier University, X-DEP-ECO - Département d'Économie de l'École Polytechnique - X - École polytechnique - IP Paris - Institut Polytechnique de Paris)

Abstract
This 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.

Suggested Citation

  • Luca Marchiori & Ingmar Schumacher, 2009. "When nature rebels: international migration, climate change and inequality," Working Papers hal-00358759, HAL.
    • Handle: RePEc:hal:wpaper:hal-00358759
    Note: View the original document on HAL open archive server: https://hal.science/hal-00358759
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    References listed on IDEAS

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    More about this item

    Keywords

    inequality; climate change; migration; North-South model; overlapping generations; inequality.;
    All these keywords.

    JEL classification:

    • 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, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products

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