PREFACE
xi
and the Exkurse thereto, he devoted more than 100 pagesto discussions and criticisms, favorable and unfavorable,of The Rate of Interest as it first appeared. I have takenaccount of his criticism in Chapter XX.
In preparing this book I have received suggestions andassistance from so many economists and others in theUnited States and abroad, that it is impracticable tomention them all by name. My associates, Dr. RoyalMeeker, Dr. Max Sasuly, and Mr. Benjamin P. Whitaker,have contributed in helpful criticism, as well as in gather-ing material, preparing the manuscript for the printer,and reading the proof. I am especially indebted to mybrother, Mr. Herbert W. Fisher, for his suggestions as tostyle and the manner of presentation, and to ProfessorHarry G. Brown for his criticism of my statement of theopportunity principle. Others who have helped me espe-cially are: Prof. Lionel D. Edie, Mr. C. 0. Hardy, Mr.R. G. Hawtry, Prof. Frank H. Knight, Prof. J. S.Lawrence, Prof. Arthur W. Marget, Prof. H. B. Meek,Prof. Wesley C. Mitchell, Mrs. Clara Eliot Raup, Prof.Henry Schultz, Prof. Henry R. Seager, Mr. HenrySimons, Mr. Carl Snyder, Prof. Jacob Viner.
I have also received valuable suggestions from membersof my class in the economics of distribution; namely,Howard Berolzheimer, A. G. Buehler, Francis W. Hopkins,Richard A. Lester, Daniel T. Seiko, Andrew Steven-son, Jr., and Ronald B. Welch.
January, 1930