Fisher, Irving (1867-1947), was an American mathematical economist and monetary reformer. He believed that booms and depressions were caused by unstable prices.
Fisher advocated monetary reforms in order to stabilize the value of the dollar. His remedies included changing the gold content of the dollar and limiting the expansion of bank credit. He pioneered in making index numbers for measuring changes in production and the cost of living. He believed economics should be a mathematical science.
Fisher was born in Saugerties, New York. He graduated from Yale University and was a professor there from 1898 to 1935.
