The Wealth of Nations by Part 4 Chapter 5 Page 29

by hindering the plenty of one year from relieving the scarcity of another, it occasioned in years of scarcity a greater importation than would otherwise have been necessary. It increased the business of the corn merchant in both; and in years of scarcity, it not only enabled him to import a greater quantity, but to sell it for a better price, and consequently with a greater profit than he could otherwise have made, if the plenty of one year had not been more or less hindered from relieving the scarcity of another.

It is in this set of men, accordingly, that I have observed the greatest zeal for the continuance or renewal of the bounty.

Our country gentlemen, when they imposed the high duties upon the importation of foreign corn, which in times of moderate plenty amount to a prohibition,