The book "The Collected Works of Frédéric Bastille, Volume 4: Arranged, Revised and Commented on the Author's Manuscripts" is the fourth volume of the collection of works of the outstanding French economist Frédéric Bastille. This book presents unique texts that have been noted for their deep analysis and high level of wisdom. The author addresses the topics of economic theory, free trade, market competition and the role of the state in the economy. Readers will have the opportunity to better understand the principles of classical economic thought and share the author's beliefs about important aspects of social development. The book will allow you to better understand the complex mechanisms of the economy and accurately assess the impact of various factors on modern society.