Matt has taken the bait and asked me a five good questions about my snarky, contrarian post on climate adaptation. Here are his questions and my answers. Question 1. This paper will be published soon by the JPE. Costinot, Arnaud, Dave Donaldson, and Cory B. Smith. Evolving comparative advantage and the impact of climate change in agricultural markets: Evidence from 1.7 million fields around the world. No. w20079. National Bureau of Economic Research, 2014. http://www10.iadb.org/intal/intalcdi/PE/2014/14183.pdf It strongly suggests that adaptation will play a key role protecting us. Which parts of their argument do you reject and why? Answer: This looks like a solid paper, much more serious than the average paper I get to review, and I have not yet studied it. I’m slow, so it would take me awhile to unpack all the details and study the data and model. Although, from a quick look, I think there are a couple points I can make right now. First, and mo
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