Conversation so far:
When did Irving Fisher come up with utility theory?
Irving Fisher's thesis was published by Yale in 1892
What are the features of Irving Fisher's utility theory?
Irving Fisher's utility theory contained the first careful examination of the measurability of the utility function and its relevance to demand theory“
Did Irving Fisher's utility theory get more reviews besides that of George Stigler?
Irving Fisher and others brought neoclassical theory into American journals, classrooms, and textbooks. Eventually, for better or worse, their paradigm would dominate economic science in this country.
Where was Irving Fisher when he came up with Utility Theory?
Irving Fisher was at Yale when he came up with Utility Theory
Are there any other interesting aspects about Irving Fisher's theories besides coming up with Utility theory at Yale?
Irving Fisher is probably best remembered today in neoclassical economics for his theory of capital, investment, and interest rates
How did Irving Fisher come up with his theory of capital, investment, and interest rates?
Irving Fisher saw subjective economic value not only as a function of the amount of goods and services owned or exchanged, but also at the moment they are purchased
How did Irving Fisher augment the arguments of utility theory?
To complement the arguments in his doctoral thesis, Irving Fisher built an elaborate hydraulic machine with pumps and levers
How were Irving Fisher's works received by other economists?
George Stigler wrote that Irving Fisher's doctoral thesis had been brilliant and contained the first careful examination of the measurability of the utility function and its relevance to demand theory.“

Question: How was this theory implemented?
Self-contained rewrite: How was Irving Fisher's theory on interest implemented?