The price of corn will naturally rise with the difficulty of producing the last portions of it.
David RicardoLABOUR, like all other things which are purchased and sold, and which may be increased or diminished in quantity, has its natural and its market price. The natural price of labour is that price which is necessary to enable the labourers, on with another, to subsist and to perpetuate their race, without either increase or diminution.
David RicardoA BOUNTY on the exportation of corn tends to lower its price to the foreign consumer, but it has no permanent effect on its price in the home market.
David Ricardo