The Wealth of Nations by Part 5 Chapter 2 Page 263

the vineyards of particular provinces and districts, above those of others. The provinces most famous for their wines, it will be found, I believe, are those in which the trade in that article is subject to the fewest restraints of this kind. The extensive market which such provinces enjoy, encourages good management both in the cultivation of their vineyards, and in the subsequent preparation of their wines. Such various and complicated revenue laws are not peculiar to France. The little duchy of Milan is divided into six provinces, in each of which there is a different system of taxation with regard to several different sorts of consumable goods.

The still smaller territories of the Duke of Parma are divided into three or four, each of which has, in the same manner, a system of its own. Under such absurd management,