“The Miniature,” John D. MacDonald, 1949 – An absent-minded economist stumbles into the far-future where resources and energy are unlimited and jewels and gold can be transmuted. He learns that currency is now backed by the HUC, a miniature human being grown to adulthood and stored in refrigeration vats at Fort Knox.
Comments: Read in The Classic book of Science Fiction, ed. Conklin.
Author: Wikipedia: “John Dann MacDonald (July 24, 1916 – December 28, 1986) was an American crime and suspense novelist and short story writer.”