Upstream versus Downstream Implementation of Climate PolicyErin T. Mansur
NBER Working Paper No. 16116 This chapter examines the tradeoffs of regulating upstream (e.g., coal, natural gas, and refined petroleum product producers) versus regulating downstream (e.g., direct sources of greenhouse gases (GHG)). In general, regulating at the source provides polluters with incentives to choose among more opportunities to abate pollution. This chapter develops a simple theoretical model that shows why this added flexibility achieves the lowest overall costs. I broaden the theory to incorporate several reasons why these potential gains from trade may not be realized--transactions costs, leakage, and offsets--in the context of selecting the vertical segment of regulation. You may purchase this paper on-line in .pdf format from SSRN.com ($5) for electronic delivery.
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