Impacts of the Clean Air Act on the Power Sector from 1938-1994: Anticipation and Adaptation

Karen Clay, Akshaya Jha, Joshua Lewis () and Edson Severnini
Additional contact information
Joshua Lewis: University of Montreal

No 14494, IZA Discussion Papers from Institute of Labor Economics (IZA)

Abstract: The passage of landmark government regulation is often the culmination of evolving social pressure and incremental policy change. During this process, firms may preemptively adjust behavior in anticipation of impending regulation, making it difficult to quantify the overall economic impact of the legislation. This study leverages newly digitized data on the operation of virtually every fossil-fuel power plant in the United States from 1938-1994 to examine the economic impacts of the 1970 Clean Air Act (CAA) on the power sector. This unique long panel provides us an extended pre-regulation benchmark, allowing us to account for both anticipatory behavior by electric utilities in the years leading up to the Act's passage and reallocative effects of the CAA across plant vintages. We find that the CAA led to large and persistent decreases in output and productivity, but only for plants that opened before 1963. The timing aligns with the passage of the original 1963 CAA, which provided the federal government with the authority to "control" air pollution, sending a strong signal to firms of impending federal regulation. We provide historical evidence of anticipatory responses by utilities in the design and siting of plants that opened after 1963. We also find that the aggregate productivity losses of the CAA borne by the power sector were substantially mitigated by the reallocation of output from older less efficient power plants to newer plants.

Keywords: power plants; electricity generation; total factor productivity; clean air act; air quality regulations; NAAQS (search for similar items in EconPapers)
JEL-codes: K32 N52 Q52 (search for similar items in EconPapers)
Pages: 96 pages
Date: 2021-06
New Economics Papers: this item is included in nep-eff, nep-ene, nep-env, nep-his, nep-law, nep-reg and nep-res
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Working Paper: Impacts of the Clean Air Act on the Power Sector from 1938-1994: Anticipation and Adaptation (2021)
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