1. 1 I refer specifically to O. Lange, Price Flexibility and Employment and Don Patinkin , Money, Interest, and Prices; but my comment applies also to certain portions of Hicks' Value and Capital and Samuelson's Foundations.
2. A Rehabilitation of ‘Classical’ Economics;Hicks;Econ. Jour.,1957
3. 3 Manna commodities may be considered to include all goods and services supplies of which are decision parameters rather than decision variables in the current period.
4. 4 All of these conclusions are, of course, predicated on the assumption that the economic system is stable; i.e., that prices adjust so that markets for all commodities whose prices are permitted to vary ultimately clear.
5. 5 Cf. J. S. Mill , Principles, Book III, Chapter VII (“Of Money”).