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Tax reductions financed by a carbon tax could mitigate the need for specific relief for energy-intensive, trade-exposed sectors.
This paper considers how tax reductions financed by a carbon tax could be designed to mitigate the need for specific relief for firms in select energy-intensive, trade-exposed (EITE) sectors. In particular, I consider impacts on manufacturing sectors at the six-digit North American Industry Classification System level, with a special focus on firms that would be presumptively eligible for competitiveness relief using the criteria in the Waxman–Markey bill (H.R. 2454). The paper has a number of findings. First, determination of eligibility for relief analogous to the free allowance allocation in H.R. 2454 is sensitive to energy intensity. Second, providing compensation to EITE sectors through the corporate income tax—analogous to the output-based allowance allocation in Waxman–Markey—is certainly feasible, but tax appetite within the EITE sectors is insufficient to fully use any credits that attempted to offset more than about one-quarter of their carbon tax liability. Third, certain reforms do better than others at providing disproportionate relief to EITE sectors. Finally, economic theory predicts a substantial cost to diverting carbon tax revenue toward compensation of specific sectors. Theory also suggests that firms should treat policy risk no differently from the way they treat the other risks they face as they do business. But politics may dictate otherwise; if so, the analysis here suggests that certain approaches may work better than others to ensure that relief is appropriately targeted at minimal cost.