Alan Greenspan is the head of:
a. The Federal Reserve Board
b. The New York Nicks
c. The Boston Public Library

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Alan Greenspan has stated on many occasions that he feels positive about the US economy because the productivity is
improving.  Improving productivity means which of the following is occurring:
Each hour put in by a worker is producing more goods and services.

This is because:
More jobs have been created for robots.
More jobs have been created for humans.