If the Harvard
faculty is remotely representative of anything, then Detroit is doomed.
Interestingly, Greg Mankiw’s BMW 330xi gets about 17
MPG, in the city, and emits 9.2 tons of greenhouse-gas emissions per year.
Does he not believe that his beloved carbon tax will be implemented in practice?
Does he plan to sell his car if and when such a thing happens? Or is he so attached
to it that he’s OK with the large internal and extermal costs of driving it?
Also, don’t Harvard students learn to put units on their y-axes these days?