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Title:Natural Disasters and International Migration: A Gravity Perspective PDF Logo
Authors:Gröschl, Jasmin
Issue Date:2012
Series/Report no.:Beiträge zur Jahrestagung des Vereins für Socialpolitik 2012: Neue Wege und Herausforderungen für den Arbeitsmarkt des 21. Jahrhunderts - Session: Migration II D03-V1
Abstract:Do natural disasters interplay with intensified international migration? Not only has the global migrant stock increased from 92 to 165 million between 1960 and 2000, but the frequency and magnitude of disasters have increased within the same period. In the face of exogenous shocks, migration is an important survival strategy. However, knowledge remains limited on the factors at work involving disasters as a cause of migration. The aim of this paper is to assess the extent to which disasters initiate bilateral migration. To underpin the empirical strategy, we construct a theoretical gravity model of bilateral migration introducing disasters as multiplicative shocks to the aggregated population. To test the implications empirically, we deploy a dataset of international migration stocks available for 10-year intervals from1960-2000 for a matrix of 158 countries. Estimations are conducted using a fixed effects gravity setup. Results suggest that disasters are on average positively associated with migration out of affected areas, but negatively for migration into affected countries. Findings are crucially conditioned on geographic country characteristics. In addition,we decompose disasters into sub-categories to show that particularly climate-related disasters act as a push factor for international migration, while results on geological disasters are ambiguous and indicate adaption rather than migration into countries susceptible to geological events.
JEL:F22
O15
Q54
Document Type:Conference Paper
Appears in Collections:Jahrestagung des Vereins für Socialpolitik 2012 (Göttingen): Neue Wege und Herausforderungen für den Arbeitsmarkt des 21. Jh.

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