Even at the expiration of his lease his rent will not be raised; for if his landlord should require rent, because this additional. was employed, he would withdraw it; since by employing it he gets, by the supposition, only the ordinary and usual profits which he may obtain by any other employment of stock; and therefore he cannot afford to pay rent for it, unless the price of raw produce should further rise, or, which is the same thing, unless the usual and general rate of profits should fall.