1. J. Schumpeter, The Theory of Economic Development (Oxford University Press, 1961): ‘this money form is not shell but kernel’ (p.184).
2. Cf. G. Grellet, ‘Money-Wages and Distribution’, in chapter 3 of Keynesian Economic Policies, and the detailed criticism of the notion of the labour market in A. Barrère, La crise n’est pas ce que l’on croit (Editions Economica, Paris, 1981) pp. 83–8.
3. A detailed study of the Keynesian theory of the price level is given in A. Barrère, Déséquilibres économiques et contre-révolution keynésienne (Editions Economica, Paris, 2nd edn, 1983) pp. 264–95.