This book is an essential read for anyone interested in the history and development of economic theory. It presents the first six chapters of David Ricardo's groundbreaking work, 'The Principles of Political Economy and Taxation, ' which revolutionized the study of economics in the 19th century. Ricardo's theories on labor, rent, and trade have had a profound impact on subsequent economic thought and policy. This edition includes an introduction and notes by the editor, making it an accessible and informative read for students and scholars alike. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.