Achille-Nicolas Isnard ( Paris , 1748 - Lyon , 1803) was a French political economist and engineer at the Ponts et Chaussées (public works) of Paris. He is known for his firm disapproval of the physiocratic theory , and his early contribution to mathematical economics.
7-638: Isnard can refer to: Achille-Nicolas Isnard (1748-1803), French economist Maximin Isnard (1755-1825), French revolutionary politician Jean-Esprit Isnard (1707–1781), French organ builder Jean-Baptiste Isnard (1726-1800), French organ builder (nephew of Jean-Esprit) Joseph Isnard (1740-1828), French organ builder (nephew of Jean-Esprit) Antoine-Tristan Danty d'Isnard (1663–1743), French botanist Clemente Isnard (1917–2011), Brazilian bishop [REDACTED] Surname list This page lists people with
14-578: Is different from Wikidata All set index articles Achille-Nicolas Isnard Achille-Nicolas Isnard was born in Paris. He first studied some mathematics, map drawing and fortification, before attending the École Nationale des Ponts et Chaussées, nowadays the École des ponts ParisTech , from 1767 to 1773. In 1775 he started his career as assistant engineer in Arbois , near the Swiss border. Later he
21-410: The produit net and of the single tax of Quesnay; Isnard does not mention Adam Smith, although generally concurring with the latter's views on the origin of wealth, the effects of protection, and of the accumulation of gold and silver, etc. As an engineer Isnard frequently had recourse to mathematical symbols, although he did not venture farther than equations of the first degree and simple problems in
28-408: The surname Isnard . If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name (s) to the link. Retrieved from " https://en.wikipedia.org/w/index.php?title=Isnard&oldid=748540889 " Category : Surnames Hidden categories: Articles with short description Short description
35-500: The productivity of a sector depends on its surplus product. Isnard (1781; xv) argued: According to Fox (2005) Isnard started "with a system of the division of labour with only two commodities. Each producer produces a certain amount of one commodity, a part of which he uses as a means of production and as a means of subsistence. He swaps the sectoral surplus for the other commodity he is in need of, but does not produce himself." In his 1781 treatise "Traité des richesses" Isnard proposed
42-433: The rule of three. As having done this, he is mentioned by Stanley Jevons in his Theory of Political Economy. Isnard criticized the physiocratic theory , because of its claim that the agricultural sector was the only productive sector in the economy. He argued that François Quesnay in his 1758 Tableau économique had already shown that both the agricultural and the manufacturing sector generated income. In real life
49-516: Was employed as engineer at the Ponts et Chaussées (public works) of Paris. In 1781, at the age of 33, Isnard anonymously published his Traité des richesses, in two volumes with the London publisher François Grasset. Later in 1801 he published his Considérations théoriques sur les caisses d'amortissement de dette publique , under his own name in Paris. The former is directed against the theory of
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