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William Stanley Jevons angol polgári közgazdász, filozófus. Carl Menger és Léon Walras mellett a határhaszon-elmélet egyik megalkotója. Élesen bírálta a klasszikus polgári közgazdászok, különösen David Ricardo nézeteit.

Az árak és az érték alakulását a szükségletekből igyekezett levezetni, mivel az érték végső okának a hasznosságot tartotta. Szerinte a közgazdaságtannak a javak mennyiségi viszonyait kell kutatnia, ezért szükségszerű a matematikai módszerek alkalmazása, melynek révén kidolgozta a csere matematikai gazdaságtanát. Ezért őt tarthatjuk az elsőnek, aki a differenciál-számítás alapján dolgozta ki a határhaszon-elmélet matematikai változatát. Walrassal együtt őt tartják a matematikai iskola kezdeményezőjének. Tőle származik az árhomogenitás tétele, mely szerint tökéletes verseny esetén egy adott jószág minden egységének ugyanakkora az ára. Statisztikai módszerekkel kereste a konjunktúra ciklusok és a gazdasági válságok okát, amit a napfolt-tevékenységnek a mezőgazdasági termelésre gyakorolt hatásában vélt felfedezni. Statisztikusi kutatásának eredménye egy árindex-formula kidolgozása. Filozófusként is ismert. Wikipedia  

✵ 1. szeptember 1835 – 13. augusztus 1882
William Stanley Jevons fénykép
William Stanley Jevons: 69   idézetek 0   Kedvelés

William Stanley Jevons: Idézetek angolul

“Property is only another name for monopoly.”

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William Stanley Jevons The Theory of Political Economy

Preface To The Second Edition, p. 29.
The Theory of Political Economy (1871)

“Logic is not only an exact science, but is the most simple and elementary of all sciences; it ought therefore undoubtedly to find some place in every course of education.”

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William Stanley Jevons

Preface.
Elementary Lessons on Logic (1870)

“One of the most important axioms is, that as the quantity of any commodity, for instance, plain food, which a man has to consume, increases, so the utility or benefit derived from the last portion used decreases in degree. The decrease in enjoyment between the beginning and the end of a meal may be taken as an example.”

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William Stanley Jevons

William Stanley Jevons Letter to his brother (1 June 1860), published in Letters and Journal of W. Stanley Jevons (1886), edited by Harriet A. Jevons, his wife, p. 151 - 152.

“Capital simply allows us to expend labour in advance.”

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William Stanley Jevons The Theory of Political Economy

Forrás: The Theory of Political Economy (1871), Chapter VII, Theory of Capital, p. 187.

“Among minor alterations, I may mention the substitution for the name political economy of the single convenient term economics. I cannot help thinking that it would be well to discard, as quickly as possible, the old troublesome double-worded name of our science.”

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William Stanley Jevons The Theory of Political Economy

Preface To The Second Edition, p. 8.
The Theory of Political Economy (1871)

“I shall endeavor to show that induction is really the inverse process of deduction.”

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William Stanley Jevons

Forrás: The Principles of Science: A Treatise on Logic and Scientific Method (1874) Vol. 1, p. 14

“There are many portions of economical doctrine which appear to me as scientific in form as they are consonant with facts.”

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William Stanley Jevons The Theory of Political Economy

Preface To The First Edition, p. 3.
The Theory of Political Economy (1871)

“Among minor alterations, I may mention the substitution for the name political economy of the single convenient term economics.”

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William Stanley Jevons The Theory of Political Economy

I cannot help thinking that it would be well to discard, as quickly as possible, the old troublesome double-worded name of our science.
Preface To The Second Edition, p. 8.
The Theory of Political Economy (1871)

“One of the most important axioms is, that as the quantity of any commodity, for instance, plain food, which a man has to consume, increases, so the utility or benefit derived from the last portion used decreases in degree. The decrease in enjoyment between the beginning and the end of a meal may be taken as an example. And I assume that on an average, the ratio of utility is some continuous mathematical function of the quantity of commodity. This law of utility has, in fact, always been assumed by political economists under the more complex form and name of the Law of Supply and Demand. But once fairly stated in its simple form, it opens up the whole of the subject.”

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William Stanley Jevons

Letter to his brother (1 June 1860), published in Letters and Journal of W. Stanley Jevons (1886), edited by Harriet A. Jevons, his wife, p. 151. https://archive.org/details/cu31924074297254/page/n168/mode/1up