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When nature rebels: international migration, climate change and inequality

  • Luca Marchiori

    (IRES - Université Catholique de Louvain)

  • Ingmar Schumacher

    (Department of Economics - University of Trier, Department of Economics, Ecole Polytechnique - CNRS : UMR7176 - Polytechnique - X)

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.

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Paper provided by HAL in its series Working Papers with number hal-00358759.

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Date of creation: Jan 2009
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Handle: RePEc:hal:wpaper:hal-00358759
Note: View the original document on HAL open archive server: http://hal.archives-ouvertes.fr/hal-00358759/en/
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  1. Bencivenga, Valerie R & Smith, Bruce D, 1997. "Unemployment, Migration, and Growth," Journal of Political Economy, University of Chicago Press, vol. 105(3), pages 582-608, June.
  2. Basu, Susanto & Fernald, John G, 1997. "Returns to Scale in U.S. Production: Estimates and Implications," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 249-83, April.
  3. Galor, Oded, 1986. "Time preference and international labor migration," Journal of Economic Theory, Elsevier, vol. 38(1), pages 1-20, February.
  4. Morris, Saul S. & Neidecker-Gonzales, Oscar & Carletto, Calogero & Munguia, Marcial & Medina, Juan Manuel & Wodon, Quentin, 2002. "Hurricane Mitch and the Livelihoods of the Rural Poor in Honduras," World Development, Elsevier, vol. 30(1), pages 49-60, January.
  5. Razin, Assaf & Sadka, Efraim, 1999. "Migration and pension with international capital mobility," Journal of Public Economics, Elsevier, vol. 74(1), pages 141-150, October.
  6. Facchini, Giovanni & Willmann, Gerald, 2005. "The political economy of international factor mobility," Journal of International Economics, Elsevier, vol. 67(1), pages 201-219, September.
  7. Ghatak, Subrata & Levine, Paul & Price, Stephen Wheatley, 1996. " Migration Theories and Evidence: An Assessment," Journal of Economic Surveys, Wiley Blackwell, vol. 10(2), pages 159-98, June.
  8. CRETTEZ , Bertrand & MICHEL , Philippe & VIDAL , Jean-Pierre, 1995. "Time Preference and Labour Migration in an OLG Model with Land and Capital," CORE Discussion Papers 1995046, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  9. Michel Beine & Frédéric Docquier & Hillel Rapoport, 2001. "Brain drain and economic growth: theory and evidence," ULB Institutional Repository 2013/10449, ULB -- Universite Libre de Bruxelles.
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