129R. Joseph to Harrod, 13 January 1927 [a]
Replies to 123 . Joseph writes that Harrod's letter guided him to parts of Marshall he had not read, and thus invites Harrod to consider this letter as a mere effort to clear his own mind. Joseph better articulates his criticism that desires, utility and satisfaction are not really measurable, as they are not divisible in equal homogeneous parts.  Marshall's reference to comparison of "pleasures" in the ordinary sense that a man is in doubt between a number of alternatives, leaves the matter of the ordering of preferences to the man's actual choice: "if you make that the evidence that he judges this alternative to involve more pleasure, & his judgements of the relative amounts of pleasure in the alternatives that he adopts & rejects the evidence that desire is strong in proportion to the amount of pleasure judged to attach to its object, you argue in a circle".
- a. From 33 Northmoor Road, Oxford, nine pages ALS, in HBWJ Box 9, Folder 50 (Joseph asked Harrod to send the letter back "--unread, if you like".
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