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It is clear that Economics, if it is to be a science at all, must be a mathematical science ... simply because it deals with quantities... As the complete theory of almost every other science involves the use of calculus, so we cannot have a true theory of Economics without its aid.

William Stanley Jevons

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William Stanley Jevons
Age: 46 †
Born: 1835
Born: September 1
Died: 1882
Died: August 13
Economist
Philosopher
Photographer
Statistician
City of Liverpool
Jevons
William Stanley
Clear
Economics
Use
Complete
Quantities
Science
Mathematics
Calculus
True
Theory
Involves
Cannot
Deals
Quantity
Without
Simply
Statistics
Must
Education
Mathematical
Every
Almost
Aids

More quotes by William Stanley Jevons

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A correct theory is the first step towards improvement, by showing what we need and what we might accomplish.
William Stanley Jevons
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One pound invested for five years gives the same result as five pounds invested for one year, the product being five pound years.
William Stanley Jevons
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but, in reality, there is no such thing as an exact science.
William Stanley Jevons
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There is no such thing as absolute cost of labour it is all a matter of comparison. Every one gets the most which he can for his exertions some can get little or nothing, because they have not sufficient strength, knowledge or ingenuity others get much, because they have, comparatively speaking, a monopoly of certain powers.
William Stanley Jevons
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An isolated man like Alexander Selkirk might feel the benefit of a stock of provisions, tools and other means of facilitating industry, although cut off from traffic, with other men.
William Stanley Jevons
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Value is the most invincible and impalpable of ghosts, and comes and goes unthought of, while the visible and dense matter remains as it was.
William Stanley Jevons
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In matters of philosophy and science authority has ever been the great opponent of truth. A despotic calm is usually the triumph of error. In the republic of the sciences sedition and even anarchy are beneficial in the long run to the greatest happiness of the greatest number.
William Stanley Jevons
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My principal work now lies in tracing out the exact nature and conditions of utility. It seems strange indeed that economists have not bestowed more minute attention on a subject which doubtless furnishes the true key to the problems of economics.
William Stanley Jevons
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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.
William Stanley Jevons
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I protest against deference to any man, whether John Stuart Mill, or Adam Smith, or Aristotle, being allowed to check inquiry. Our science has become far too much a stagnant one, in which opinions rather than experience and reason are appealed to.
William Stanley Jevons
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I consider that interest is determined by the increment of produce which it enables a labourer to obtain, and is altogether independent of the total return which he receives for this labour.
William Stanley Jevons
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The whole value of science consists in the power which it confers upon us of applying to one object the knowledge acquired from like objects and it is only so far, therefore, as we can discover and register resemblances that we can turn our observations to account.
William Stanley Jevons
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It is clear that economics, if it is to be a science at all, must be a mathematical science.
William Stanley Jevons
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Fertility of imagination and abundance of guesses at truth are among the first requisites of discovery but the erroneous guesses must almost of necessity be many times as numerous as those which prove well founded.
William Stanley Jevons
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Economists can never be free of from difficulties unless they will distinguish between a theory and the application of a theory.
William Stanley Jevons
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It isrequisite from time to time to remind one generation of the experience which led a former generation to important legislative actions.
William Stanley Jevons
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A little experience is worth much argument a few facts are better than any theory.
William Stanley Jevons
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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.
William Stanley Jevons
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I feel quite unable to adopt the opinion that the moment goods pass into the possession of the consumer they cease altogether to have the attributes of capital.
William Stanley Jevons
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All classes of society are trade unionists at heart, and differ chiefly in the boldness, ability, and secrecy with which they pursue their respective interests.
William Stanley Jevons