A delightful comment at the NY Times under Krugman’s post:
BlueSky Phoenix, AZ 7 hours ago
Almost every one of you is mistaken. Krugman made up the argument that a percent reduction in emissions translates into a percent reduction in GDP, one-for-one.
Pielke didn’t say anything remotely like that. He never even mentioned any magnitdues or sizes or numbers pertaining to reduction of emissions translating to GDP loss.
What you’re doing now, running for the hills talking about how stupid or dishonest Pielke is, because this guy you like who is on your team said that Pielke is stupid or dishonest — this is bogus. You have no idea what you’re talking about. Neither does Krugman. He doesn’t understand the Kaya Identity. He doesn’t understand Pielke’s argument, and he certainly hasn’t reported it to his readers.
Pielke is saying that we can’t just wave a wand and instantiate some linear growth in technology that costs the same as oil, coal, gas. He said technological progress is not linear. He said technological progress is not completely predictable. These are perfectly reasonable things to say, epecially since they happen to be true. He didn’t make any wild claims.
I think people in the future will have empathy for us. It’s really weird to see Nobel laureates be such terrible sources, isn’t it? It’s unbelievably weird. A Nobel economist should never make the errors Krugman makes, and no human being should so revel in his own malice and hatred that he openly expresses joy at purporting to find out that someone is stupid or dishonest. This is the New York Times??