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On The Principles of Political Economy, and Taxation

David Ricardo · 1817

passage 198 of 220 · CHAPTER I. > CHAPTER XXIX. (10/30)

↪ you wandered here via “comparative cost accounting” — the connecting lines are tinted below

in brief
He states that lasting price changes come either from different required labor/capital in production or from changes in money’s value, and he uses this to criticize Malthus’s broad assumption about proportional effects.

cause of the high comparative money price of corn, is its high comparative real price, or the greater quantity of capital and labour which must be employed to produce it."[60]

This, I apprehend, is the correct account of all permanent variations in price, whether of corn or of any other commodity. A commodity can only permanently rise in price, either because a greater quantity of capital and labour must be employed to produce it, or because money has fallen in value; and on the contrary, it can only fall in price, either because a less quantity of capital and labour may be employed to produce it, or because money has risen in value.

A variation arising from the latter of either of these alternatives, an altered value of money, is common at once to all commodities; but a variation arising from the former cause, is confined to the particular commodity requiring more or less labour in its production. By allowing the free importation of corn, or by improvements in agriculture, raw produce would fall; but the price of no other commodity would be affected, except in proportion to the fall in the real value, or cost of production, of the raw produce which entered into its composition.

Mr. Malthus, having acknowledged this principle, cannot, I think, consistently maintain that the whole money value of all the commodities in the country must sink exactly in proportion to the fall in the price of corn. If the corn consumed in the country were of the value of ten millions per annum, and the manufactured and foreign commodities consumed were of the value of twenty millions, making altogether thirty millions, it would not be admissible to infer that the annual expenditure was reduced to 15 millions, because corn had fallen 50 per cent., or from 10 to 5 millions.

The value of the raw produce which entered into the composition of these manufactures might not, for example, exceed 20 per cent. of their whole value, and, therefore, the fall in the value of manufactured commodities, instead of being from 20 to 10 millions, would be only from 20 to 18 millions; and after the fall in the price of corn of 50 per cent., the whole amount of the annual expenditure, instead of falling from 30 to 25 millions, would fall from 30 to 23 millions.[61]

Instead of thus considering the effect of a fall in the value of raw produce; as Mr. Malthus was bound to do by his previous admission; he considers it as precisely the same thing with a rise of 100 per cent. in the value of money, and, therefore, argues as if all commodities would sink to half their former price.

"During the twenty years, beginning with 1794," he says, "and ending with 1813, the average price of British corn per quarter was about eighty-three shillings; during the ten years ending with 1813, ninety-two shillings; and during the last five years of the twenty, one hundred and eight shillings. In the course of these twenty years, the Government borrowed near five hundred millions of real capital; for which, on a rough average, exclusive of the sinking fund, it engaged to pay about five per cent. But if corn should fall to fifty shillings a quarter, and other commodities in proportion, instead of an interest of about five per cent., the Government would really pay an interest of seven, eight, nine, and, for the last two hundred millions, ten per cent.

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topics: money, coin, and credit · value, price, and exchange

On The Principles of Political Economy, and Taxation · David Ricardo · 1817