Name File Type Size Last Modified
  birthweight 01/12/2023 06:22:PM
  cwns 01/12/2023 06:25:PM
  fragfiles 01/12/2023 06:22:PM
  grants 01/12/2023 07:01:PM
  location_info 01/12/2023 06:22:PM
  pollution 01/12/2023 07:07:PM
  water_use_data 01/12/2023 07:07:PM

Project Description

Summary:  View help for Summary
The Clean Water Act (CWA) significantly improved surface water quality, but at a cost exceeding the estimated benefits. We quantify the effect of the CWA on a direct measure of health. Using a difference-in-differences framework, we compare birth weight upstream and downstream from wastewater treatment facilities before and after CWA grant receipt. Pollution only decreased downstream from facilities required to upgrade their treatment technology, and we leverage this additional variation with a triple difference. CWA grants increased average birth weight by 8 grams.

Scope of Project

Subject Terms:  View help for Subject Terms clean water act; birth weight; surface water pollution; wastewater treatment
Geographic Coverage:  View help for Geographic Coverage United States


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