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The Effectiveness of Local Conservation Ballots

Author

Listed:
  • Dylan Hogan

    (Columbia University [New York])

  • Eyal G. Frank

    (University of Chicago)

  • Josephine Gantois

    (TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

  • Anouch Missirian

    (INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

Abstract

Global action to slow biodiversity loss is critically needed but comes at substantial cost. In this article, we assess the effectiveness of local ballot measures for land-based conservation projects in the United States as a way to increase bird abundance, a key conservation indicator. Using a citizen science dataset of bird observations, we employ an abundance model to estimate relative abundance conditional on observer effort and exploit a sharp discontinuity in land-based conservation funding at the vote threshold to estimate plausibly causal effects. We find that an approved ballot measure has modest but significant impacts that accrue over ten years.

Suggested Citation

  • Dylan Hogan & Eyal G. Frank & Josephine Gantois & Anouch Missirian, 2025. "The Effectiveness of Local Conservation Ballots," Post-Print hal-05100946, HAL.
  • Handle: RePEc:hal:journl:hal-05100946
    DOI: 10.1257/pandp.20251073
    Note: View the original document on HAL open archive server: https://hal.science/hal-05100946v1
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