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DETERring more than Deforestation: Environmental Enforcement Reduces Violence in the Amazon

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  • Rafael Araujo
  • Vitor Possebom
  • Gabriela Setti

Abstract

We estimate the impact of environmental law enforcement on violence in the Brazilian Amazon. The introduction of the Real-Time Deforestation Detection System (DETER), which enabled the government to monitor deforestation in real time and issue fines for illegal clearing, significantly reduced homicides in the region. To identify causal effects, we exploit exogenous variation in satellite monitoring generated by cloud cover as an instrument for enforcement intensity. Our estimates imply that the expansion of state presence through DETER prevented approximately 1,477 homicides per year, a 15% reduction in homicides. These results show that curbing deforestation produces important social co-benefits, strengthening state presence and reducing violence in regions marked by institutional fragility and resource conflict.

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  • Rafael Araujo & Vitor Possebom & Gabriela Setti, 2025. "DETERring more than Deforestation: Environmental Enforcement Reduces Violence in the Amazon," Papers 2509.06076, arXiv.org, revised Oct 2025.
    • Handle: RePEc:arx:papers:2509.06076
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