"The rent and profits of barley land must always be nearly equal to those of other equally fertile, and equally well cultivated land. If they were less, some part of the barley land would soon be turned to some other purpose; and if they were greater, more land would soon be turned to the raising of barley. When the ordinary price of any particular produce of land is at what may be called a monopoly price, a tax upon it necessarily reduces the rent and profit[22] of the land which grows it. A tax upon the produce of those precious vineyards, of which the wine falls so much short of the effectual demand, that its price is always above the natural proportion to that of other equally fertile, and equally well cultivated land, would necessarily reduce the rent and profit[22] 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;[23] properly upon the _rent_ of the vineyard." "But the ordinary price of barley has never been a monopoly price; and the rent and profit of barley land have never been above their natural proportion to those of other equally fertile and equally well cultivated land. The different taxes which have been imposed upon malt, beer, and ale, _have never lowered the price of barley_; have never reduced the rent and profit[24] of barley land. The price of malt to the brewer has constantly risen in proportion to the taxes imposed upon it; and those taxes, together with the different duties upon beer and ale, have constantly either raised the price, or, what comes to the same thing, reduced the quality of those commodities to the consumer. The final payment of those taxes has fallen constantly upon the consumer, and not upon the producer." On this passage Mr. Buchanan remarks, "A duty on malt never could reduce the price of barley, because, unless as much could be made of barley by malting it as by selling it unmalted, the quantity required would not be brought to market. It is clear, therefore, that the price of malt must rise in proportion to the tax imposed on it, as the demand could not otherwise be supplied. The price of barley, however, is just as much a monopoly price as that of sugar; they both yield a rent, and the market price of both has equally lost all connexion with the original cost."