<title>Abstract</title> We review Keynes's constant concern with commodity prices, both as speculator and as theorist, arguing that it was never divorced from his view on market instability. We also look at Kahn's contribution on buffer stocks, which brought to fruition the original intuition by Keynes,...

[fre] La question posée est de savoir si une marchandise peut être choisie arbitrairement comme étalon monétaire. L'analyse distingue la fonction de l'étalon monétaire et la fonction du numéraire. Ricardo a soulevé la question des caractéristiques que doit avoir la marchandise choisie...

The demise of the Quantity Theory of Money took Keynes a long way from his previously held view. It was not until after the Summer of 1934 that his ideas took on a form different from those presented in the Treatise. Finally, he was able to provide an alternative approach to price level...

The eleven papers collected in this volume present the results of the research activity undertaken by the participants in the project -The return to Keynes. Speculation and stabilization policies: money and commodities- financed by the Italian Ministry of Education (PRIN 2008). They focus on...