The Wealth of Nations by Part 1 Chapter 8 Page 38

be fifteen pounds a year to a family, which he supposed to consist, one with another, of three and a half persons. His calculation, therefore, though different in appearance, corresponds very nearly at bottom with that of Judge Hales. Both suppose the weekly expense of such families to be about twenty pence a head. Both the pecuniary income and expense of such families have increased considerably since that time through the greater part of the kingdom; in some places more, and in some less; though perhaps scarce anywhere so much as some exaggerated accounts of the present wages of labour have lately represented them to the public.

The price of labour, it must be observed, cannot be ascertained very accurately anywhere, different prices being often paid at the same place and for the same sort of labour, not only according