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J.-B. Say, in full Jean-Baptiste Say, (born January 5, 1767, Lyon, France—died November 15, 1832, Paris), French economist, best known for his law of markets, which postulates that supply creates its own demand. After completing his education, Say worked briefly for an insurance company and then as a journalist.

Jean-Baptiste Say was a French classical liberal economist and scholar. Born in Lyon, Say had a distinguished career. He served on a government finance committee under Napoleon and taught...

Say's Law of Markets was developed in 1803 by the French classical economist and journalist, Jean-Baptiste Say. Say was influential because his theories address how a society creates wealth...

Jean-Baptiste Say (January 5, 1767 – November 15, 1832) was a French economist and businessman. He had classically liberal views and argued in favor of competition, free trade, and lifting restraints on business. His most significant contribution is the thesis, known as "Say's Law," that supply creates its own demand.

In 1803, John Baptiste Say explained his theory. “It is worthwhile to remark that a product is no sooner created than it, from that instant, affords a market for other products to the full extent of its own value.” (J. B. Say, 1803: pp.138–9) This view suggests that the key to economic growth is not increasing demand, but increasing production.

J ean-Baptiste Say was born in Lyons on January 5, 1767 and died in Paris on November 15, 1832. Say was the leading French political economist in the first third of the 19th century. Before becoming an academic political economist quite late in life, Say had worked at a broad range of occupations including an apprenticeship in a commercial ...

Jean-Baptiste Say’s notion of débouchés has not been correctly understood, due to the lack of proper context within the framework of his broader political economy. We revisit Say’s writings on this topic, retrace the concept’s evolution, and lay out a framework that better illustrates the essence of Say’s thinking.

The French economist Jean Baptiste Say (1767-1832), one of the founders of the classical school, is best known for his law of markets. He was the first academic teacher of economics in France. Jean Baptiste Say was born on Jan. 5, 1767, in Lyons of a Protestant merchant family.