218 
POLITICAL ECONOMY 
and therefore enters into the supply price 
of the article produced in the factory. 
It will be realised, of course, that the dogma 
discussed above has no reference to the 
rents paid directly by consumers for their 
houses and grounds. It will be realised also, 
I imagine, without demonstration that the 
dogma holds not merely of land rent, but of 
every kind of rent so far as it is a payment 
arising out of the production of things.