This is an extract from: The Economic History of Byzantium: From the Seventh through the Fifteenth Century Angeliki E. Laiou, Editor-in-Chief Scholarly Committee Charalambos Bouras Cécile Morrisson Nicolas Oikonomides Constantine Pitsakis Published by Dumbarton Oaks Research Library and Collection Washington,D.C. in three volumes as number 39 in the series Dumbarton Oaks Studies © 2002 Dumbarton Oaks Trustees for Harvard University Washington,D.C. Printed in the United States of America www.doaks.org/etexts.html