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The Tableau économique ((:tablo ekɔnɔmik)) or ''Economic Table'' is an economic model first described by French economist François Quesnay in 1758, which laid the foundation of the Physiocratic school of economics.〔Henry William Spiegel (1983) ''The Growth of Economic Thought'', Revised and Expanded Edition, Duke University Press. p.189〕 Quesnay believed that trade and industry were not sources of wealth, and instead in his 1758 manuscript ''Tableau économique'' (Economic Table) argued that agricultural surpluses, by flowing through the economy in the form of rent, wages, and purchases were the real economic movers, for two reasons. First, regulation impedes the flow of income throughout all social classes and therefore economic development. Second, taxes on the productive classes such as farmers should be reduced in favor of higher taxes for unproductive classes such as landowners, since their luxurious way of life distorts the income flow. == The model == The model Quesnay created consisted of three economic movers. The "Proprietary" class consisted of only landowners. The "Productive" class consisted of all agricultural laborers. The "Sterile" class is made up of artisans and merchants. The flow of production and/or cash between the three classes started with the Proprietary class because they own the land and they buy from both of the other classes. The process has these steps (consult Figure 1). #The farmer produces 1,500 food on land leased from the landlord. Of that 1,500, he retains 600 food to feed himself, his livestock, and any laborers he hires. He sells the remaining 900 in the market for $1 per unit of food. He keeps $300 ($150 for himself, $150 for his laborer) to buy non-farm goods (clothes, household goods, etc.) from the merchants and artisans. This produces $600 of net profit, to which Quesnay refers as ''product net''.〔 #The artisan produces 750 units of crafts. To produce at that level, he needs 300 units of food and 150 units of foreign goods. He also has subsistence need of 150 units of food and 150 units of crafts to keep himself alive during the year. The total is 450 units of food, 150 units of crafts, and 150 units of foreign goods. He buys $450 of food from the farmer and $150 of goods from the merchant, and he sells 600 units of crafts at the market for $600. Because the artisan must use the cash he made selling his crafts to buy raw materials for the next year’s production, he has no net profit. #The landlord is only a consumer of food and crafts and produces no product at all. His supposed "contribution" to the production process is the redistribution of $600 in land rent the farmer pays for the use of naturally occurring land. The landlord uses $300 of the rent to buy food from the farmer in the market and $300 to buy crafts from the artisan. Because he is purely a consumer, Quesnay considers the landlord the prime mover of economic activity. It is his desire to consume which causes him to expend his entire lease income on food and crafts and which provides income to the other classes. #The merchant is the mechanism for exporting food in exchange for foreign imports. The merchant uses the $150 he received from the artisan to buy food from the market, and it is assumed that he takes the food out of the country to exchange it for more foreign goods. : :Figure 1 Production Flow Diagram for Quesnay's Tableau (4) The Tableau shows the reason why the Physiocrats disagreed with Cantillon about exporting food. The economy produces a surplus of food, and neither the farmer nor the artisan can afford to consume more than a subsistence level of food. The landlord is assumed to be consuming at a level of satiation; therefore, he cannot consume any more. Since food cannot be stored easily, it is necessary to sell it to someone who can use it. This is where the merchant provides value. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tableau économique」の詳細全文を読む スポンサード リンク
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