What question did this study set out to answer?

This study aims to analyze how local population dynamics and acute climate events impact macroeconomic stability across various regions over 20 years.

July 20, 2026Humanities and Social Sciences CommunicationsOpen Access

Macroeconomic impacts of local population dynamics and acute climate events: a 20-year global perspective

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DMDanielle N. MedgyesiNational Cancer Institute ZHZachary M. HirschUniversity of North Carolina at Chapel Hill JPJeremy R. PorterCity University of New York

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Randomized trial examines GDP changes after climate events in different regions, indicating economic vulnerability.

Key Points

This study aims to analyze how local population dynamics and acute climate events impact macroeconomic stability across various regions over 20 years.
Assessed economic and sociodemographic indicators using global spatial data from 2000 to 2020.
Employed a difference-in-differences approach to estimate annual GDP changes following severe floods or fires.
Stratified analyses by global economic region and urban–rural context.
Population growth was significantly associated with GDP gains, especially in urban developed regions (0.91–1.04% increase per 1% population growth).
Rural, least developed regions experienced the largest GDP losses after floods, with maximum losses of 1.1% (years 0–3), 5.6% (years 4–6), and 9.3% (years 7–10) after fires.
Population change influenced long-term economic shifts predominantly in developed urban areas, with rural regions facing heightened vulnerability.

Cite This Study

Medgyesi et al. (2026) studied this question.

synapsesocial.com/papers/6a5db9da8bd453d3397ab3e9 https://doi.org/10.1057/s41599-026-08389-0

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Macroeconomic impacts of local population dynamics and acute climate events: a 20-year global perspective

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Cite This Study

Macroeconomic impacts of local population dynamics and acute climate events: a 20-year global perspective

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Key Points

Cite This Study

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