The Wealth of Nations by Part 4 Chapter 5 Page 67

scarcity cannot be remedied, they can only be palliated. No trade deserves more the full protection of the law, and no trade requires it so much, because no trade is so much exposed to popular odium.

In years of scarcity the inferior ranks of people impute their distress to the avarice of the corn merchant, who becomes the object of their hatred and indignation. Instead of making profit upon such occasions, therefore, he is often in danger of being utterly ruined, and of having his magazines plundered and destroyed by their violence. It is in years of scarcity, however, when prices are high, that the corn merchant expects to make his principal profit.

He is generally in contract with some farmers to furnish him for a certain number of years with a certain quantity of corn at a certain