Charles Kenny talks about the importance of spreading corrective lenses to the third world. But how about the improvement in life from lasik eye surgery over corrective lenses? Does that show up in the CPI?
How about the change from chemical to digital photography? Or I'm reading "The Emperor of All Maladies, A Biography of Cancer", by Siddharta Mukherjee. Still early, but it's good and I'd recommend it. He comments on the the amazing jump in the number of effective medicines between 1940 and 1950. Where does the reduction of pain and the curing of illnesses get counted in measurements of productivity?
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