AN ESSAY ON MEDIÆVAL ECONOMIC TEACHING by GEORGE O'BRIEN, LITT.D., M.R.I.A. Author of 'The Economic History of Ireland in the Seventeenth Century,' and 'The Economic History of Ireland in the Eighteenth Century' 1920 TO THE REV. MICHAEL CRONIN, M.A., D.D. UNIVERSITY COLLEGE, DUBLIN AUTHOR'S NOTE I wish to express my gratitude to the Rev. Dr. Cronin for his kindness in reading the manuscript, and for many valuable suggestions which he made; also to Father T.A. Finlay, S.J., and Mr. Arthur Cox for having given me much assistance in the reading and revision of the proofs. CONTENTS CHAPTER I INTRODUCTORY SECTION 1. AIM AND SCOPE OF THE ESSAY SECTION 2. EXPLANATION OF THE TITLE § 1. Mediæval § 2. Economic § 3. Teaching SECTION 3. VALUE OF THE STUDY OF THE SUBJECT SECTION 4. DIVISION OF THE SUBJECT CHAPTER II PROPERTY SECTION 1. THE RIGHT TO PRODUCE AND DISPENSE PROPERTY SECTION 2. DUTIES REGARDING THE ACQUISITION AND USE OF PROPERTY SECTION 3. PROPERTY IN HUMAN BEINGS CHAPTER III DUTIES REGARDING THE EXCHANGE OF PROPERTY SECTION 1. THE SALE OF GOODS § 1. The Just Price § 2. The Just Price when Price fixed by Law § 3. The Just Price when Price not fixed by Law § 4. The Just Price of Labour § 5. Value of the Conception of the Just Price § 6. Was the Just Price Subjective or Objective? § 7. The Mediæval Attitude towards Commerce § 8. _Cambium_ SECTION 2. THE SALE OF THE USE OF MONEY § 1. Usury in Greece and Rome § 2. Usury in the Old Testament § 3. Usury in the First Twelve Centuries of Christianity § 4. The Mediæval Prohibition of Usury § 5. Extrinsic Titles § 6. Other Cases in which more than the Loan could be repaid § 7. The Justice of Unearned Income § 8. Rent Charges § 9. Partnership § 10. Concluding Remarks on Usury SECTION 3. THE MACHINERY OF EXCHANGE CHAPTER IV CONCLUSION INDEX CHAPTER I INTRODUCTORY SECTION 1.--AIM AND SCOPE OF THE ESSAY