Human Habitability and Economic Growth in Pacific Island Countries

Jean-François Gajewski (), Paul-Olivier Klein and Fatima Ezzahrae Tahri ()
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Jean-François Gajewski: MAGELLAN - Laboratoire de Recherche Magellan - UJML - Université Jean Moulin - Lyon 3 - Université de Lyon - Institut d'Administration des Entreprises (IAE) - Lyon, LARJE - Laboratoire de Recherches Juridique et Economique - UNC - Université de la Nouvelle-Calédonie
Paul-Olivier Klein: MAGELLAN - Laboratoire de Recherche Magellan - UJML - Université Jean Moulin - Lyon 3 - Université de Lyon - Institut d'Administration des Entreprises (IAE) - Lyon
Fatima Ezzahrae Tahri: Iaelyon - Iaelyon School of Management - UJML - Université Jean Moulin - Lyon 3 - Université de Lyon, MAGELLAN - Laboratoire de Recherche Magellan - UJML - Université Jean Moulin - Lyon 3 - Université de Lyon - Institut d'Administration des Entreprises (IAE) - Lyon, UJML - Université Jean Moulin - Lyon 3 - Université de Lyon

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Abstract: Climate change is a major and growing challenge for Pacific Island countries. Beyond the dramatic consequences of more frequent disasters and sea level rise, climate change is also reducing the human habitability of these zones. Building on the work of Gajewski, Klein and Tahri (2025), we employ the concept of climate niche and human habitability for oceanic countries. We first document a decline in habitability over the last century. We then show that this has a negative impact on economic output. We show that Australia and New Zealand tend to be more affected than the rest of the world, but the Fiji Islands seem to be better able to cope with the decline in habitability. This suggests that some adaptation policies, such as those adopted in Fiji, can increase resilience in the context of oceanic islands, which suffer disproportionately from the effects of climate change.

Keywords: Temperature; Humidity; Population; Global warming; Climate change (search for similar items in EconPapers)
Date: 2025-07-01
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Published in 6th Pacific Islands Universities Regional Network, Papua New Guinea University of Technology, Jul 2025, Lae, Papua New Guinea

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-05223019

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