Does Green Infrastructure Work? Precipitation, Protected Areas, Floods and Landslides

Juan Robalino (), Katrina Mullan, Matías Piaggio and Marisol Guzmán
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Katrina Mullan: University of Montana
Marisol Guzmán: Universidad de Costa Rica and EfD-CATIE

Economics of Disasters and Climate Change, 2023, vol. 7, issue 3, No 7, 457-482

Abstract: Abstract We evaluate whether floods and landslides are more likely when rain falls inside versus outside protected areas (PAs). We use monthly municipality data for the period 2000–2015 in Guatemala and monthly district data for the period 1992–2019 in Costa Rica. We define relevant catchment areas using water flows to the population centers of the administrative units. Then, we calculate the precipitation inside and outside PAs within the relevant catchment areas, and test how the frequency of floods and landslides is affected by whether rain falls inside or outside PAs. We use a two-way fixed-effects panel data model. For Guatemala, we find no robust statistically significant effects on these types of disasters. However, in Costa Rica, we find that shifts in precipitation towards PAs significantly reduce floods. These results are highly robust. We also find effects on landslides in densely populated districts as well as reductions in flood-related deaths.

Keywords: Disasters; Floods; Landslides; Protected Areas; Precipitation (search for similar items in EconPapers)
JEL-codes: Q24 Q28 Q54 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s41885-023-00134-0

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