Outward migration may alter population dynamics and income inequality

Shayegh, Soheil

doi:10.1038/nclimate3420

Cited by 32 publications

(22 citation statements)

References 37 publications

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“…These indirect effects will cause accelerated changes for inland areas, particularly urban areas, that will observe much higher levels of incoming migrants than they would have without climate impacts. These changes can in turn take the form of tighter labor markets [6] and increased housing prices [7], with broader effects on income inequality in the coastal areas [8]. Of course, migration to other cities can also have positive impacts; new migrants can improve productivity as they bring with them human capital accumulated elsewhere [5].…”

Section: Introductionmentioning

confidence: 99%

Modeling migration patterns in the USA under sea level rise

2020

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Sea level rise in the United States will lead to large scale migration in the future. We propose a framework to examine future climate migration patterns using models of human migration. Our framework requires that we distinguish between historical versus climate driven migration and recognizes how the impacts of climate change can extend beyond the affected area. We apply our framework to simulate how migration, driven by sea level rise, differs from baseline migration patterns. Specifically, we couple a sea level rise model with a datadriven model of human migration and future population projections, creating a generalized joint model of climate driven migration that can be used to simulate population distributions under potential future sea level rise scenarios. The results of our case study suggest that the effects of sea level rise are pervasive, expanding beyond coastal areas via increased migration, and disproportionately affecting some areas of the United States.

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Section: Introductionmentioning

confidence: 99%

Modeling migration patterns in the USA under sea level rise

2020

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“…The climate-driven migration is categorized into internal and international. Internal migration happens within borderlines and often features rural-to-urban migration with implications for urbanization and economic development, including broad topics such as labor market, fertility rates, income inequality, and human capital accumulation (Strobl and Valfort 2013;Kleemans and Magruder 2017;Shayegh 2017). International migration, on the other hand, is potentially more controversial as it involves border crossing.…”

Section: Introductionmentioning

confidence: 99%

Climate Change and Migration

Cui

Feng

2020

Handbook of Labor, Human Resources and Population Economics

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Climate change has significant impacts on human displacements. This chapter reviews the economics literature on climate change impacts on migration with an emphasis on the agricultural linkage. The empirical literature has documented very mixed results on climate change impacts on migration. To partly resolve the inconsistencies and shed light on future studies, a stylized theoretical model is proposed to illustrate the complexity raised by two key factors, liquidity constraint and climate expectation. The chapter connects the theoretical discussion with the existing literature to further elaborate on the important roles of these two factors. This chapter also makes a few suggestions for future research.

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“…Episodes of extreme food scarcity can lower fertility for several reasons and principal among these are higher demands on women's labor during times of hardship, which impact their ability to give birth (16). Recent research suggests that if environmental degradation increases the demand for migration this in turn increases parent's investments in child education, which results in lower fertility (33). The circular or longer-term migration of men or women in response to hardship may also decrease opportunities to reproduce.…”

Section: Environmental Change Fertility and Mortalitymentioning

confidence: 99%

“…Improving education also enhances the benefits (and minimizes the risks) from migration by increasing the choices available to migrants about where to move, and it improves their chances of successful establishment in new destinations. Recent research suggests that climate change further increases the benefits of education by improving migration opportunities, and thus parents may invest more in education and seek to have fewer children (33).…”

Section: Freedom Choice and Demographic Futuresmentioning

confidence: 99%

Mobile Worlds: Choice at the Intersection of Demographic and Environmental Change

Barnett

Adger

2018

Annu. Rev. Environ. Resour.

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Research on environmental change has often focused on changes in population as a significant driver of unsustainability and environmental degradation. Demographic pessimism and limited engagement with demographic realities underpin many arguments concerning limits to growth, environmental refugees, and environment-related conflicts. Re-engagement between demographic and environmental sciences has led to greater understanding of the interactions between the size, composition, and distribution of populations and exposure to environmental risks and contributions to environmental burdens. We review the results of this renewed and far more nuanced research frontier, focusing in particular on the way demographic trends affect exposure, sensitivity, and adaptation to environmental change. New research has explained how migration systems interact with environmental challenges in individual decisions and in globally aggregate flows. Here we integrate analysis on demographic and environmental risks that often share a root cause in limited social freedoms and opportunities. We argue for a capabilities approach to promoting sustainable solutions for a more mobile world.

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Outward migration may alter population dynamics and income inequality

Cited by 32 publications

References 37 publications

Modeling migration patterns in the USA under sea level rise

Modeling migration patterns in the USA under sea level rise

Climate Change and Migration

Mobile Worlds: Choice at the Intersection of Demographic and Environmental Change

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