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https://www.aeaweb.org/articles?id=10.1257/pol.20160508 The Welfare Impact of Second-Best Uniform-Pigouvian Taxation: Evidence from Transportation -... The Welfare Impact of Second-Best Uniform-Pigouvian Taxation: Evidence from Transportation by Christopher R. Knittel and Ryan Sandler. Published in volume 10,... second bestpigouvian taxationwelfareimpactuniform