Problem: how is productivity measured? The example given is pretty transparent, however, if a doctor sees 20 patients a day instead of 15, his productivity is u

Problem: how is productivity measured? The example given is pretty transparent, however, if a doctor sees 20 patients a day instead of 15, his productivity is up, but does he do a better job overall? Productivity can enhance up to some point; you can't indefinitely build more cars every day for instance. Final stance: there is no such thing as infinite growth on a finite planet.