soon draw so much capital from other trades as will reduce the profit to its proper level. If it affords at any time much less than this, other trades will soon draw so much capital from it as will again raise that profit.

Whatever part of the whole rent of a house is over and above what is sufficient for affording this reasonable profit naturally goes to the ground-rent; and where the owner of the ground and the owner of the building are two different persons, is, in most cases, completely paid to the former. This surplus rent is the price which the inhabitant of the house pays for some real or supposed advantage of the situation. In country houses at a distance from any great town, where there is plenty of ground to choose upon, the ground-rent is scarce anything, or no more than what the ground which the house stands