A High Tech Sermon For The Service Sector

Regarding "Health care has a bad case of 'cost disease'" (Economic Viewpoint, Nov. 15), modern technology may not be able to improve the productivity of all areas of the service industry, but many can benefit from it. [William J.] Baumol's [fixed productivity of a] string quartet is a good example. In 1791, only a couple of hundred people at most could hear a performance. Today, a single performance can be recorded and broadcast to millions of people.

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