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The role of environmentally induced income variability as a determinant of migration has been studied little to none. We provide a theoretical discussion based on a ‘risk aversion channel’ and an overview of the empirical literature on this. We also extend a previous empirical study on 39 sub-Saharan African countries with yearly data from 1960 to 2000 by including income variability and its weather determinants. Our findings lead us to acknowledge that, based on our dataset and methodology, income variability is a negligible driver of migration decisions at the macroeconomic level.
Acknowledgments
For helpful suggestions, we would kindly like to thank an anonymous referee, Michel Beine, Luisito Bertinelli, Valérie Mueller, and Eric Strobl. Jean-François Maystadt acknowledges the financial support from the KU Leuven Research Council (Methusalem Project). This study should not be reported as representing the views of the BCL or the Eurosystem. The views expressed are those of the authors and may not be shared by other research staff or policymakers in the BCL or the Eurosystem. This project has been undertaken when Luca Marchiori worked at the University of Luxembourg and is not related to the Central Bank of Luxembourg.