William Stanley Jevons is regarded by many as bringing mathematical methods to the study of economics. The Theory of Political Economy brought together maths and the theory of utility, this contribution marked Jevons as a leading political economist of his time.

The science of Political Economy rests upon a few notions of an apparently simple character. Utility, wealth, value, commodity, labour, land, capital, are the elements of the subject; and whoever has a thorough comprehension of their nature must possess or be soon able to acquire a knowledge of the whole science. As almost every economic writer has remarked, it is in treating the simple elements that we require the most care and precision, since the least error of conception must vitiate all our deductions. William Stanley Jevons is regarded by many as bringing mathematical methods to the...