The Wealth of Nations by Part 4 Chapter 5 Page 80

But by being obliged to sell his corn by retail, he was obliged to keep a great part of his capital in his granaries and stack yard through the year, and could not, therefore, cultivate so well as with the same capital he might otherwise have done. This law, therefore, necessarily obstructed the improvement of the land, and, instead of tending to render corn cheaper, must have tended to render it scarcer, and therefore dearer, than it would otherwise have been.

After the business of the farmer, that of the corn merchant is in reality the trade which, if properly protected and encouraged, would contribute the most to the raising of corn. It would support the trade of the farmer in the same manner as the trade of the wholesale dealer supports that of the manufacturer.

The wholesale dealer,