""All Classes Productive Of National Wealth: Or The Theories Of M. Quesnai, Adam Smith, And Mr. Gray"" is a book written by George Purves and published in 1817. The book explores the economic theories of three influential thinkers: Fran���ois Quesnay, Adam Smith, and John Gray. Purves argues that all classes of society contribute to the creation of national wealth, and he uses the theories of Quesnay, Smith, and Gray to support this idea. The book is divided into three sections, each dedicated to one of the three economists. Purves provides a detailed analysis of their theories and how they relate to the concept of national wealth. The book also includes a discussion of the role of government in promoting economic growth and the importance of free trade. Overall, ""All Classes Productive Of National Wealth"" is a comprehensive exploration of economic theory and its practical applications in society.Concerning The Various Classes Of Men, As To The Production Of Wealth To The Community.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.