This article proposes a critical analysis of Jean-Baptiste Say?s thought on the economy in general and more specifically, on slavery. The first part deals with his general ideas on the economy, and studies how he defines value, capital and equilibrium of supply and demand on the markets (Say?s...

It should be remembered, first of all, that under his training as a young merchant, Jean-Baptiste Say spent two years with his younger brother Horace, near London in Croydon. In 1786, he moved to Britain to learn the practice of English commercial business. This happened in the midst of the...

In the history of economic thought, Jean-Baptiste Say distinguishes himself in being a theoretician and practitioner of the enterprise. Moreover, he also taught the entrepreneurial spirit in the last years of his life. We may therefore find in his writings a theory of production and exchanges...

Jean-Baptiste Say and Joseph Aloïs Schumpeter are two key-economists in the theory of the entrepreneur. Both assigned to the entrepreneur the role of an economic engine, moved by innovation. Moreover, both lived in periods characterized by a flow of economic and political new ideas (Say : the...