Irving Fisher

“ In particular I should have liked to modify somewhat the statement of the theory of crises in Chapter IV and in Chapter XI to make use of the helpful criticism of Miss Minnie Throop England, of the University of Nebraska, in The Quarterly Journal of Economics, November, 1912; also to meet a criticism of Mr. Keynes' to the effect that, while my book shows that the changes in the quantity of money do affect the price level, it does not show how they do so. ”

“ PS.2 For corrections of misprints and various helpful criticisms of the first edition I am under great obligations to a number of friends and correspondents and particularly to Major W. E. McKechnie, of the Indian Medical Service, Etawah, United Provinces, India; Professor Warren M. Persons, Colorado College, Colorado Springs, Colo.; Mr. ”