The Wealth of Nations by Part 4 Chapter 4 Page 4

of them, wholly drawn back upon exportation.

This general rule, however, is liable to a great number of exceptions, and the doctrine of drawbacks has become a much less simple matter than it was at their first institution.

Upon the exportation of some foreign goods, of which it was expected that the importation would greatly exceed what was necessary for the home consumption, the whole duties are drawn back, without retaining even half the Old Subsidy. Before the revolt of our North American colonies, we had the monopoly of the tobacco of Maryland and Virginia. We imported about ninety-six thousand hogsheads, and the home consumption was not supposed to exceed fourteen thousand. To facilitate the great exportation which was necessary, in order to rid us of the rest, the whole duties were