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• Abbreviations
• 437.: Ricardo to Trower1[reply to 435.—ANSWERED By 445]
• 438.: Mill to Ricardo1[answered By 441]
• 439.: Ricardo to Mcculloch1[answered By 474]
• 440.: Malthus to Ricardo1[answered By 442]
• 441.: Ricardo to Mill1[reply to 438.—ANSWERED By 448]
• 442.: Ricardo to Malthus1[reply to 440.—ANSWERED By 443]
• 443.: Malthus to Ricardo1[reply to 442.—ANSWERED By 444]
• 444.: Ricardo to Malthus1[reply to 443.—ANSWERED By 455]
• 445.: Trower to Ricardo1[reply to 437.—ANSWERED By 447]
• 446.: Say to Ricardo1[reply to 430.—ANSWERED By 488]
• 447.: Ricardo to Trower1[reply to 445.—ANSWERED By 456]
• 448.: Mill to Ricardo1[reply to 441.—ANSWERED By 449]
• 449.: Ricardo to Mill2[reply to 448.—ANSWERED By 450]
• 450.: Mill to Ricardo2[reply to 449.—ANSWERED By 453]
• 450a.: Place to Ricardo1[answered By 451]
• 451.: Ricardo to Place1[reply to 450a]
• 452.: Ricardo to Murray1
• 453.: Ricardo to Mill1[reply to 450]
• 454.: Ricardo to Malthus1[answered By 455]
• 455.: Malthus to Ricardo3[reply to 444 & 454.—ANSWERED By 458]
• 456.: Trower to Ricardo2[reply to 447.—ANSWERED By 461]
• 457.: Ricardo to Wheatley1
• 458.: Ricardo to Malthus1[reply to 455.—ANSWERED By 459]
• 459.: Malthus to Ricardo1[reply to 458.—ANSWERED By 460]
• 460.: Ricardo to Malthus1[reply to 459.—ANSWERED By 462]
• 461.: Ricardo to Trower1[reply to 456.—ANSWERED By 466]
• 462.: Malthus to Ricardo2[reply to 460.—ANSWERED By 463]
• 463.: Ricardo to Malthus1[reply to 462.—ANSWERED By 467]
• 464.: Ricardo to Mill1[answered By 469]
• 465.: Tooke to Ricardo1
• 466.: Trower to Ricardo3[reply to 461.—ANSWERED By 471]
• 467.: Malthus to Ricardo2[reply to 463.—ANSWERED By 468]
• 468.: Ricardo to Malthus1[reply to 467]
• 469.: Mill to Ricardo2[reply to 464.—ANSWERED By 470]
• 470.: Ricardo to Mill2[reply to 469]
• 471.: Ricardo to Trower2[reply to 466.—ANSWERED By 478]
• 472.: Ricardo to Mcculloch 2
• 473.: Ricardo to Mill1
• [enclosure: Ricardo’s Notes On Mill’s Elements of Political Economy]
• 474.: Mcculloch to Ricardo2[reply to 436 & 439.—ANSWERED By 476]
• 475.: Maria Edgeworth to Ricardo2
• 476.: Ricardo to Mcculloch1[reply to 474.—ANSWERED By 479]
• 477.: Maria Edgeworth to Ricardo1
• 478.: Trower to Ricardo2[reply to 471.—ANSWERED By 481]
• 479.: Mcculloch to Ricardo2[reply to 476.—ANSWERED By 483]
• 480.: Mcculloch to Ricardo1[answered By 483]
• 481.: Ricardo to Trower1[reply to 478]
• 482.: Ricardo to Sinclair1
• 483.: Ricardo to Mcculloch2[reply to 479 & 480.—ANSWERED By 484]
• 484.: Mcculloch to Ricardo3[reply to 483.—ANSWERED By 486]
• 485.: Mcculloch to Ricardo1[answered By 486 & 491]
• 486.: Ricardo to Mcculloch1[reply to 484 & 485.—ANSWERED By 495]
• 487.: Ricardo to Trower1
• 488.: Ricardo to Say1[reply to 446.—ANSWERED By 496]
• 489.: Ricardo to Foster2
• 490.: Ricardo to Trower1
• 491.: Ricardo to Mcculloch2[reply to 485.—ANSWERED By 495]
• 492.: Ricardo to Trower2
• 493.: Ricardo to Hodgson1
• 494.: Ricardo to Mcculloch1
• 495.: Mcculloch to Ricardo1[reply to 486 & 491.—ANSWERED By 497]
• 496.: Say to Ricardo2[reply to 488]
• 497.: Ricardo to Mcculloch3[reply to 495]
• 498.: Say to Ricardo1
• 499.: Ricardo to Trower1
• 500.: Ricardo to [cowell]1
• 501.: Ricardo to Trower1
• 502.: Ricardo to Maria Edgeworth1[answered By 510]
• 503.: Mcculloch to Ricardo1[answered By 504]
• 504.: Ricardo to Mcculloch2[reply to 503]
• 505.: Ricardo to Mill1
• 506.: Ricardo to Mill1
• 507.: Ricardo to Mill1
• 508.: Ricardo to Mill1
• 509.: Ricardo to Mill1
• 510.: Maria Edgeworth to Ricardo2[reply to 502.—ANSWERED By 511]
• 511.: Ricardo to Maria Edgeworth1[reply to 510.—ANSWERED By 514]
• 512.: Ricardo to Trower1
• 513.: Ricardo to Malthus3
• 514.: Maria Edgeworth to Ricardo2[reply to 511.—ANSWERED By 515]
• 515.: Ricardo to Maria Edgeworth1[reply to 514]
• 516.: Ricardo to Mill1
• 517.: Ricardo to Trower1
• 518.: Mcculloch to Ricardo1[answered By 520]
• 519.: Maria Edgeworth to Ricardo2extract of a Letter From Paris
• 520.: Ricardo to Mcculloch1[reply to 518]
• 521.: Ricardo to Goldsmid2
• 522.: Ricardo to Mill1
• 523.: Ricardo to Malthus3
• 524.: Ricardo to Mcculloch2[answered By 526]
• 525.: Ricardo to Grote1
• 526.: Mcculloch to Ricardo1[reply to 524]
• 527.: Trower to Ricardo3[answered By 533]
• 528.: Ricardo to Maria Edgeworth1
• 529.: Ricardo to Malthus1
• 530.: Ricardo to Mcculloch1[answered By 541]
• Blake to Mcculloch1
• 531.: Ricardo to Malthus1[answered By 532]
• 532.: Malthus to Ricardo2[reply to 531.—ANSWERED By 536]
• 533.: Ricardo to Trower2[reply to 527.—ANSWERED By 547]
• 534.: Trower to Ricardo2[answered By 535]
• 535.: Ricardo to Trower1[reply to 534.—ANSWERED By 547]
• 536.: Ricardo to Malthus1[reply to 532.—ANSWERED By 540]
• 537.: Ricardo to Mill1[answered By 539]
• 538.: Ricardo to Mcculloch1[answered By 541]
• 539.: Mill to Ricardo3[reply to 537.—ANSWERED By 548]
• 540.: Malthus to Ricardo1[reply to 536.—ANSWERED By 542]
• 541.: Mcculloch to Ricardo1[reply to 530 & 538.—ANSWERED By 543 & 544]
• 542.: Ricardo to Malthus1[reply to 540.—ANSWERED By 545]
• 543.: Ricardo to Mcculloch1[reply to 541]
• 544.: Ricardo to Mcculloch1[reply to 541.—ANSWERED By 546]
• 545.: Malthus to Ricardo1[reply to 542.—ANSWERED By 550]
• 546.: Mcculloch to Ricardo1[reply to 544]
• 547.: Trower to Ricardo1[reply to 533 & 535.—ANSWERED By 549]
• 548.: Ricardo to Mill1[reply to 539]
• 549.: Ricardo to Trower1[reply to 547.—ANSWERED By 551]
• 550.: Ricardo to Malthus1[reply to 545]
• 551.: Trower to Ricardo1[reply to 549.—ANSWERED By 553]
• 552.: Ricardo to Mill1
• 553.: A. Austin to Trower1[reply to 551]
• 544.: A. Austin to Trower2
• 555.: Mill to Mcculloch1

550.

ricardo to malthus1
[Reply to 545]

Gatcomb Park 31 Aug^t. 1823

My Dear Malthus

I have only a few words more to say on the subject of value, and I have done. You cannot avail yourself of the argument that a foot may measure the variable height of a man, altho’ the variable height of a man cannot truly measure the foot, because you have agreed that under certain circumstances the man’s height is not variable, and it is to those circumstances that I always refer. You say of my measure, and say truly, that if all commodities were produced under the same circumstances of time &c^a. as itself, it would be a perfect measure; and you say further that it is now a perfect measure for all commodities produced under such circumstances. If then under certain circumstances mine is a perfect measure, and yours is always a perfect one, under those circumstances certain commodities ought to vary in these two measures just in the same degree. Do they so? certainly not; then one of the measures must be imperfect. If they are both perfect mine ought to measure yours as well as yours mine.

There is no “impropriety in your saying with Adam Smith2 that labour will measure not only that part of the whole value of the commodity which resolves itself into labour, but also that which resolves itself into profit,” because it is the fact. But is not this true also of any variable measure you could fix on. Is it not true of Iron, Copper, lead, cloth, corn &c^a. &c^a.? The question is about an invariable measure of value, and your proof of invariability is that it will measure profits as well as labour, which every variable measure will also do.

I have acknowledged that my measure is inaccurate, you say; I have so; but not because it would not do every thing which you assert yours will do, but because I am not secure of its invariability1 . Shrimps are worth £10 in my money—it becomes necessary, we will suppose, in order to improve the shrimps to keep them one year, when profits are 10 pc^t., shrimps at the end of that time will be worth £11. They have gained a value of £1. Now where is the difference whether you value them in labour and say that at the first period they are worth 10 days labour and subsequently 11, or say that at the first period they are worth 10£ and subsequently 11?

I am not sure that your language is accurate when you say that “labour is the real advance in kind and [the]2 profits may be correctly estimated upon the advances whatever they may be.” A Farmer’s capital consists of raw produce, and his real advances in kind are raw produce3 . His advances are worth and can command a certain quantity of labour undoubtedly, and his profits are nothing unless the produce he obtains will command more if he estimates both advances and profits in labour, but so it is in any other commodity in which he may value his advances and returns. Does it signify whether it be labour or any other thing, provided there be no reason to suspect that it has altered in value? I know that you will say that provided his produce is sure to4 command a certain quantity of labour he is sure of being able to reproduce, not so if he estimates in any other thing, because that thing and labour may have undergone a great relative alteration. But may not the real alteration be in the value of labour, and if he act on the presumption of its remaining at its then rate may he not be wofully mistaken, and be a loser instead of a gainer? Your argument always supposes labour to be of an uniform value, and if we yielded that point to you there would be no question between us. A manufacturer who uniformly used no other measure of value than that which you recommend would be as infallibly liable to great disappointments as he is now exposed to in the vulgar variable medium in which he is accustomed to estimate value.

And now my dear Malthus I have done. Like other disputants after much discussion we each retain our own opinions. These discussions however never influence our friendship; I should not like you more than I do if you agreed in opinion with me.

Pray give Mrs. Ricardo’s and my kind regards to Mrs. Malthus

Y^rs. truly

David Ricardo

[1 ]Addressed: ‘The Revd. T. R. Malthus / East India College / Hertford’. Franked by Ricardo ‘September One 1823’.

MS at Albury.—Letters to Malthus, LXXXVIII.

An earlier draft in Mill-Ricardo papers.

[2 ]Wealth of Nations, Bk. i, ch. vi; Cannan’s ed., vol. i, p. 52.

[1 ]‘to which I say yours is still more subject’ is del. here.

[2 ]Omitted in MS.

[3 ]Draft has here in addition: ‘, which he expects to have returned to him with a profit’.

[4 ]In draft ‘can’ instead of ‘is sure to’.