This paper explores the Marxian genetic root of the multiplier in order to clarify its foundations and validity …-Keynes multiplier …

returns on equity, conditional on observable consumption, suggest the Puzzle of the Keynes' Consumption Multiplier …

completely worked out application of the theory of the multiplier in the EJ. Keynes delegated this task to Kahn. Kent (2007 …) demonstrated that in May 1929, Keynes had applied his logical theory of the multiplier in preparation for a speech in which he … in his application of the mathematical theory of the multiplier. Keynes privately showed Kahn sometime between May 1929 …

Keynes had completely developed the Logical Theory of the Multiplier in his A Treatise on Probability in 1921 in … Theory of the Multiplier where one would use arithmetic to actually calculate a worked out example of the process. As pointed … problem, which would be based on the Logical Theory of the Multiplier that he had already worked out in 1908 and 1921, to Kahn …