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Who´s not weak discussing MP these days? Even Bernanke has been pretty weak!
The railroads, airlines, and trucking industries were all significantly deregulated in the 70s. Their success since then has been pretty mixed. OTOH, beer, which was also deregulated then, has really flourished.
I have to agree, it sounds like he's leaving out a lot of innovation, perhaps because he sees clearly the innovation in the industry with which he's most familiar. The amount of improvement in cars is amazing--they're safer, more reliable, and (for a given fuel economy) way more powerful than they used to be. They're stuffed full of gadgets, too.
I wonder what he was thinking of when he said Friedman favored fixed exchange rates--maybe fixed percentage growth in the money supply?
Good to be reminded that even the best and brightest make mistakes!
Medical imaging has shown dramatic progress in the past 30 years. Doctors can extract detailed information about your internal organs using noninvasive techniques which would have sounded like science fiction not that long ago.
David brings up the issue of innovation in surgery, and to what extent its' being relatively more "softly" (my less than precise term) regulated than drugs may have facilitated innovation (at least relative to drug making). There may be a lot to unpack here, especially if you see surgery as being a more personalized, case by case intervention needing less of a one size fits all approach to oversight. Well, this is exactly what the future of drug making will be: personalized medicine. My understanding is that the current drug efficacy/effectiveness regulatory framework will increasingly be proven to be particularly bad at dealing with this kind of innovation. Another issue to explore is whether even surgery oversight could be improved and to what extent regulation via boards and tort law (which is I guess how surgery is "regulated") is more amenable to innovation.
car reliability improvements seem to come in waves that correspond to updated tooling. More precisely machines parts made of tougher materials that have been modeled better last longer.
Scientific methods works very well in surgery as the results are visible to the eye with no delay.
With drugs, the scientific method faces problems: some drugs like statins work slowly and need to be taken for many years and there are too many interfering factors.
Witness the controversy over the real benefit of statins and diabetic drugs even now.