François Quesnay

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François Quesnay

François Quesnay (June 4, 1694 — December 16, 1774) was a French economist, founder of the Physiocratic school. He also practiced surgery, and served as surgeon to King Louis XV and his mistress, Madame de Pompadour.

Biography

François Quesnay was born on June 4, 1694 near Paris France, into a humble family. His father worked as a ploughman and merchant. In 1711, Quesnay entered into training for five years as a Parisian engraver.

Following this, he registered at the university in the college of surgery, receiving his degree in 1717. In 1718, Quesnay was accepted into the community of surgeons of Paris. In 1723, he became royal surgeon, entering in the service of the Duke of Villeroy in 1734, and in 1744, was awarded the rank of doctor of medicine. Five years later he became physician to Madame de Pompadour, influential mistress of King Louis XV. Elected to the Academy of Science in 1751, Quesnay became a member of Royal Society in 1752, and the same year he was made a noble by the king.

François Quesnay's interest in economics arose in 1756, where, hoping to draw on his country background, he was asked to contribute several articles on farming to the Encyclopédie of Denis Diderot and Jean Le Rond d'Alembert. Quesnay delved into the works of the Maréchal de Vauban, Pierre de Boisguilbert, and Richard Cantillon. Mixing all these ingredients together, Quesnay gradually came up with his famous economic theory.

In 1758, Quesnay wrote his Tableau Économique—renowned for its famous "zig-zag" depiction of income flows between economic sectors—to explain his doctrine. This became the founding document of the Physiocrats and the ancestor of the multisectoral input-output systems of Wassily Leontief. While the accepted founder of the classical school was Adam Smith, he in turn acknowledged his indebtedness to the French Physiocrats, the founder of which was François Quesnay, the King’s physician.

Quesnay died on December 16, 1774 in Versailles.

Work

François Quesnay began with the axiom that agriculture is the only source of produit net (net product, or surplus of output above cost). He believed that manufacturing and commerce were "sterile" as (in his view), the value of their output was equal to the value of their inputs. Only land, Quesnay reasoned, produced more than went into it. The wealth of a nation, Quesnay argued, lies in the size of its net product.

Quesnay's system of political economy was summed up in Tableau économique (1758), which diagrammed the relationship between the different economic classes and sectors of society and the flow of payments between them. In his Tableau, Quesnay developed the notion of economic equilibrium, a concept frequently used as a point of departure for subsequent economic analysis.

He claimed that the only "productive" person is the farmer, the only one that generated a net product. The landlord, the farmhand, the foreign merchant, and, most notably, the artisan, are all part of the "sterile class" because none of them generated a net product.

In this, Quesnay opposed the mercantilist doctrines of Colbert, believing that they concentrated too much on propping up industry and commerce rather than agriculture.

The natural state of the economy was conceived as the balanced circular flow of income between economic sectors and thus social classes which maximized the net product. In these concepts, Quesnay saw analogies to the circulation of human blood and the homeostasis of a body.

Laissez-faire

Main article: Laissez-faire

Quesnay claimed that the only "productive" person is the farmer, the only one that generated a net product. The landlord, the farmhand, the foreign merchant and, most notably, the artisan, are all part of the "sterile class" because none of them generated a net product. However, to achieve an ideal state, government should help first.

Influenced by Vincent de Gournay, an advocate of laissez-faire, Quesnay wished to see many of the Medieval rules governing agricultural production lifted, permitting the economy to find its "natural state".

Thus, François Quesnay was largely responsible for the distinction between the ordre naturel (nature's order) and the ordre positif (positive, i.e. human-idealized, order). A good government, Quesnay argued, should follow a laissez-faire policy so that the ordre naturel could emerge.

As the originator of the term “laissez-faire, laissez-passer” — “let it be, let it pass” (although the phrase is not readily translatable), it was widely used by the Physiocrats in urging freedom from government interference and was adopted by Adam Smith, Quesnay believed, in opposition to the then-dominant French mercantilists, that high taxes, high internal tolls, and high barriers to imported goods were the cause of the grinding French poverty he saw around him. Quesnay wanted Louis XV to deregulate trade and to slash taxes so that France could start to emulate wealthier Britain.

The methodology of Quesnay's physiocratic system and his principles of policy sprang from an extreme form of the doctrine of natural law, which he believed represented the divinely appointed economic order. He was, indeed, one of the originators of the nineteenth-century doctrine of the harmony of class interests, and of the related doctrine that maximum social satisfaction occurs under free competition.

The Tableau Économique

Quesnay identified three distinct classes:

  1. the proprietary class (landlords)
  2. the productive class (farmers and agricultural farmhands )
  3. the sterile class (artisans and merchants),

and the following five protagonists were involved:

  1. Farmer: produces grain, owns livestock and seed, hires labor, pays rent to landlord.
  2. Artisan: produces crafts, uses local grains and foreign goods as raw materials.
  3. Farmhand: works for farmer, receives wages.
  4. Merchant: sells foreign goods he has imported and buys local grain for export.
  5. Landlord: owns land, receives rent from farmer.


Quesnay claimed, that the most "productive" sector is agriculture, the only one that can generate a net product. He was well aware, though, that he created an idealized "natural" system and he repeatedly noted that "real" conditions are never as smooth as the example in The Tableau shows. He wanted to brought to the King's attention the real market distortions: inequitable taxations, insufficient compensations due to excessive taxes, underdeveloped markets, protectionist trade distortions etc. which government could help to mitigate. In other words, he said that under the present conditions only the agricultural sector could produce a surplus that could then be used to produce more the next year and, therefore, help growth. Industry and manufacturing were, under the circumstances ( he wanted to change ), sterile.


Quesnay (1959) used the term "advances" to denote capital, i.e. expenditures during a production process that are drawn from a previously-accumulated fund. He identified four types of capital depending on the sort of expenditures they were earmarked for:

  1. avances foncières (fundamental/landed advances): one-time capital expenditures undertaken by landlords on their land, e.g. land-clearing, drainage, fence-building, etc.
  2. avances souveraines (sovereign advances): one-time capital expenditures undertaken by government, e.g. roads, bridges, etc.
  3. avances primitives (primitive advances): expenditures on durable producers' goods, e.g. horses, cattle, plows, etc. In the Tableau, these are also referred to as avances originelles (original advances).
  4. avances annuelles (annual advances): expenditures on the wages of labor and non-durable producers' goods, e.g. cattle-feed, seed, etc.

Of all these categories of advances, (3) and (4) are the most important and the ones which Quesnay analyzed most deeply. Quesnay's distinction between original advances and annual advances was imported by Adam Smith as "fixed" and "circulating" capital respectively.

Tableau Économique ZIG-ZAG analysis

Simplified version of Quesnay's Tableau Économique

The zig-zag is effectively the flow of funds in a dynamic form rather than the "static" natural state. Down on the right side of the Tableau is the productive class (Farmer) and on the upper left side there is the Artisan. On the lower left side is the Landlord.

For the sake of simplicity, we have two production processes — grains and crafts — and both of them needs to use previously-accumulated stocks of grains as raw materials.

Only Farmer and Artisan produce. Some of their produce they retain internally, the rest they supply to market. What is supplied to market is exchanged for cash; what is retained internally does not command cash. At the market, their goods are bought up by different people.

In the following account, we trace the movement of grains and crafts. Note that that these numbers are not payments but merely how the actual output flows. Here is the account:


Agricultural Sector: (output owned by Farmer)

  • Produces 1500 grain = 600 internal + 900 to market.
  • Of which:
  • Internal = 600 = 300 to Livestock + 150 to Laborer + 150 to Farmer.
  • To Market = 900 = 300 to Landlord + 450 to Artisan + 150 to Merchant

Manufacturing Sector: (output owned by Artisan)

  • Produces 750 crafts = 150 internal + 600 to market.
  • Of which:
  • Internal = 150 for Artisan
  • To Market = 600 = 150 to Farmer + 150 to Laborer + 300 to Landlord.

Notes: In the agricultural sector the Farmer has to use part of his output to feed his livestock, a new category. Note also that the Merchant does not buy any of the Artisan's goods, but only the Farmer's grain. The Laborer is to receive 150 of the Farmer's output. This is only part of his wage (paid in kind). Another part will be paid in cash ( using annual advances denoted in items (3) and (4) above ). The 300 units of grain going to the Landlord are not rent payments — the Landlord just happens to buy the Farmer's grain on the market place. The Landlord's initial expenditure is in fact equal to his total rent income of 600. So, rent "initiates" the process. As the zig-zag diagram shows, from his 600 rent income, the landlord spends 300 on agricultural products and 300 on manufactured products.

The total net product of the economy is identical ( in this oversimplified example ) to the Landlord’s “initial” expenditure from rent. Thus, the “rent on land” and the “net product” created are the same ( Quesnay 1758, 1759).

Critique

Although Quesnay was wrong about the sterility of the manufacturing sector, he was right in ascribing France's poverty to mercantilism, which he called Colbertisme (after Louis XV's finance minister, Colbert). The French government had protected French manufacturers from foreign competition, thus raising the cost of machinery for farmers, and had also sold to wealthy citizens the power to tax farmers.

Quesnay advocated reforming these laws by consolidating and reducing taxes, getting rid of tolls and other regulations that prevented trade within France, and generally freeing the economy from the government's stifling controls. These reforms were much more sensible than his theorizing about the sterility of industry. Thus, it seems that it was Quesnay's efforts to provide these reforms with a watertight theoretical argument that were behind the forced reasoning and slightly absurd conclusions of the “Tableau.”

Legacy

In Tableau Économique we see perhaps the first work to attempt to describe the workings of the economy in an analytical way, and as such this can be viewed as one of the first important contributions to economic thought. Also, as the ancestor of the multisectoral input-output systems of Wassily Leontief.

While the accepted founder of the classical school is Adam Smith, he, in turn, acknowledged his indebtedness to the French Physiocrats, the pioneer school of economic thought which taught a single land tax and free trade. And the founder of the Physiocratic movement was François Quesnay, the King’s physician.

References
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  • Quesnay, F., "Évidence", "Fermiers", "Grains" in Encyclopèdie of Diderot and d'Alembert, 1756-1757
  • Quesnay, F., "Questions intéréssantes sur la population, l'agriculture et le commerce," with de Marivelt in: Mirabeau, l'Ami des Hommes. Pt.IV. 1758
  • Quesnay, F., Le Tableau Économique "First" 1758 Edition (Tableau with base of 400l., accompanied by Remarques sur les variations de la distribution des revenus annuels d'une nation; manuscript) "Second" 1759 Edition (the Tableau with base of 600l. accompanied by Extrait des oeconomies royales de M. de Sully) "Third" 1759 Edition (the Tableau with base of 600l. accompanied by Explication du tableau ecoomique and an expanded and footnoted Extrait des économies -royales de M. de Sully) A facsimile reprint of the “Tableau Économique” was published by the British Economic Association, London 1895
  • Quesnay, F., Essai sur l'administration des terres, (by Sieur Ballial des Vertus), 1759
  • Quesnay, F., La physiocratie, 2 vols., 1768
  • Quesnay, F., OEuvres économiques et philosophiques, accompagnées des éloges et d'autres travaux biographiques sur Quesnay par différents auteurs, (Frankfort ed.) Scientia Verlag, Aalen 1888

This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.

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