The Wealth of Nations by Part 5 Chapter 2 Page 81

of consumable commodities. In general there is not, perhaps, any one article of expense or consumption by which the liberality or narrowness of a man’s whole expense can be better judged of than by his house-rent. A proportional tax upon this particular article of expense might, perhaps, produce a more considerable revenue than any which has hitherto been drawn from it in any part of Europe.

If the tax indeed was very high, the greater part of people would endeavour to evade it, as much as they could, by contenting themselves with smaller houses, and by turning the greater part of their expense into some other channel.

The rent of houses might easily be ascertained with sufficient accuracy by a policy of the same kind with that which would be necessary for ascertaining the ordinary