More on Superfreakonomics
So when he says he is disappointed in the Freakonomists' chapter on climate change, it is worth taking seriously. See his analysis here. See his correspondence with Steve Levitt here.
Random Observations for Students of Economics
I am a professor and chairman of the economics department at Harvard University, where I teach introductory economics (ec 10). I use this blog to keep in touch with my current and former students. Teachers and students at other schools, as well as others interested in economic issues, are welcome to use this resource.