The Wealth of Nations by Part 5 Chapter 2 Page 175

falls altogether upon themselves, and always with a considerable overcharge. They fall heaviest upon the landlords, who always pay in a double capacity; in that of landlords by the reduction of their rent, and in that of rich consumers by the increase of their expense. The observation of Sir Matthew Decker, that certain taxes are, in the price of certain goods, sometimes repeated and accumulated four or five times, is perfectly just with regard to taxes upon the necessaries of life.

In the price of leather, for example, you must pay not only for the tax upon the leather of your own shoes, but for a part of that upon those of the shoemaker and the tanner. You must pay, too, for the tax upon the salt, upon the soap, and upon the candles which those workmen consume while employed in your service, and for the tax upon the