Irving Fisher (1867-1947) was born in Saugerties, New York on February 27, 1867. He graduated from Yale University (B.A., 1888; Ph.D., 1891). He made numerous important contributions to the Neoclassical Marginalist Revolution. He contributed to the Walrasian theory of equilibrium price and also invented the indifference curve device. He also put forward the theory of capital and investment and introduced the famous distinction between "stocks" and flows", the Fisher Separation Theorem and the loanable funds theory of interest rates. He also put forward the famous Fisher equation of exchange.

Some of his writings are listed below:

Title	Source	Year
The Equation of Exchange	American Economic Review	1911
Is "Utility" the Most Suitable Term for the Concept It is Used to Denote?"	American Economic Review	1918
Theory of Interest	The Macmillan Company	1930

 

Some Links about Irving Fisher:

Irving Fisher Profile

Biography of Irving Fisher

Tobin, James, “Fisher, Irving,” The New Palgrave: A Dictionary of Economics , Vol. 2 (E to J), John Eatwell et al., eds. (Macmillan Press, 1987), pp. 369–76.

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