This paper is a contribution to a symposium mutually reviewing papers on Keynes's principle of effective demand as set out in The General Theory, by Allain (2009. Effective demand and short-term adjustments in the General Theory, Review of Political Economy, vol. 21, 1–22), Hartwig (2007....

This Symposium consists of individual comments by three authors on papers previously published by the other two (Allain, 2009, Hartwig, 2007 and Hayes, 2007) on the topic of Keynes’s principle of effective demand as set out in The General Theory. The Symposium includes updated versions of PKSG...