Shimshack, Jay; Ward, Michael
Economists generally view environmental enforcement as a tool to secure compliance with regulations. This paper demonstrates that credible enforcement significantly increases statutory over-compliance with regulations as well. We find that many plants with discharges typically below legally permitted levels reduce discharges further when regulators issue fines, even on other plants. Also, non-compliant plants often respond to sanctions by reducing discharges well beyond reductions required by...[Show more]
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