Page:Principles of Political Economy Vol 1.djvu/241

Rh increase of capital have that effect? This question carries the mind forward to the remaining one of the three requisites of production. The limitation to production, not consisting in any necessary limit to the increase of the other two elements, labour and capital, must turn upon the properties of the only element which is inherently, and in itself, limited in quantity. It must depend on the properties of land.