The Wealth of Nations by Part 5 Chapter 2 Page 235

necessarily reduce the rent and profit of those vineyards. The price of the wines being already the highest that could be got for the quantity commonly sent to market, it could not be raised higher without diminishing that quantity, and the quantity could not be diminished without still greater loss, because the lands could not be turned to any other equally valuable produce.

The whole weight of the tax, therefore, would fall upon the rent and profit- properly upon the rent of the vineyard. When it has been proposed to lay any new tax upon sugar, our sugar planters have frequently complained that the whole weight of such taxes fell, not upon the consumer, but upon the producer, they never having been able to raise the price of their sugar after the tax higher than it was before. The price had, it seems, before the tax