Keynes’s mathematical economics analysis of the Aggregate Supply Function and the Aggregate Supply Curve contained in footnote two on p.55 of the General Theory is correct with the exception of a very minor error that can easily be spotted by anyone who has worked through Keynes’s chapter 20...

J M Keynes engaged in correspondence over the IS-LM model contained in chapter 15 of the General Theory with R. Harrod and J Hicks in 1937. Keynes had no major objections. How could he? How could Keynes object to interpretations concerning his own model of IS LM in the General Theory, as laid...

J M Keynes had already completely developed the technical, mathematical and logical framework of analysis for the concept of the multiplier in his A Treatise on Probability in 1921 long before Richard Kahn came to Cambridge in 1927 at the age of 22. However, Keynes did not have the time or...