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Climate Change and Migration: A Gravity Model Approach

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  • Pamela Ragazzi

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Abstract

In this paper climate change is analysed as one of the reasons that push people to migrate. Climate change shows through four main channels: temperature change, precipitation change, sea level rise and extreme events. All these channels are considered together by adding anomalies in temperature and precipitation and the number of people affected by natural disasters to a gravity model of migration, where the bilateral migration flow between 182 countries of the world is the unit of analysis. The empirical tests demonstrate a statistically significant relation between migration and climate change, however while anomalies in temperature and precipitation have a positive impact, the effect of extreme events is ambiguous.

Suggested Citation

  • Pamela Ragazzi, 2012. "Climate Change and Migration: A Gravity Model Approach," Working Papers 2012031, University of Ferrara, Department of Economics.
  • Handle: RePEc:udf:wpaper:2012031
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    References listed on IDEAS

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    More about this item

    Keywords

    International migration; Climate change; Natural disasters;

    JEL classification:

    • F22 - International Economics - - International Factor Movements and International Business - - - International Migration
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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