761. Joan Robinson to Harrod, 11 March [1938] [a]
[Answered by 762 ]
3, Trumpington Street, Cambridge #
11 March [1938] [b]
I don't rightly know what "a reward" means so I admit I'm on shaky ground but surely its sophistical to say some work without reward. [1] The case of a rentier who works to pass the time is hardly relevant. In the ordinary case a man can't work unless he has some wages to live on--without wages he would be dead.
As for the view that seems to be capturing Oxford that the rate of interest does not affect investment I am quite open minded. [2] You notice I always mention houses, because I would expect to find interest fairly important for building & negligible for industrial plant. But do point out to your anti Keynesian colleagues that it is the Classical Theory, not the General Theory that goes down the drain if they are right. My chief reason for keeping to the old fashioned view that interest affects investment was that I wanted to keep as much in touch with the Classical view as is possible.
Your crack against a remark on p. 73 [3] is not quite fair as in other passages I emphasise the buoyancy [c] of m.e. of capital under 19 [d] conditions. [4] You can't say everything at once.
Please excuse me seeming cantankerous when you make such kind remarks about me.
2. In his review, Harrod questioned that the "system is highly sensitive to changes in the interest rate", surely having in mind the Oxford Economists' Research Group inquiry into interest and prices.
3. Harrod's comment runs as follows:
Both Harrod in his review and Robinson in her letter referred to the wrong page number. The citation is from p. 78.
This passage was discussed in letter 748 of 22 January 1938 to Robertson ( [jump to page] ).
4. J. Robinson, Introduction to the Theory of Employment, pp. 30-32 and passim.