The No Pigou Club welcomes Russell Roberts! After a podcast interview with Greg Mankiw, Russell concludes that while he likes the theory of Pigou taxes on gasoline, the practice will turn into a political mess
. He's on the right track, just not far enough down to realize how off-base the Pigovians are. Greg Mankiw's claim that sometime you have to put up with bad politics to get to good economic policy misses at least part of the main point. If it involves a political move, it likely is bad economic policy.