This paper is focused on the macroeconomic aspects of Shackle’s theory of decisions under uncertainty and, more particularly, of his theory of capital and interest. The paper starts by arguing that Shackle’s general approach stems from the identification of, and conflict between, two...

The “machinery question” was developed by the economist David Ricardo (1772–1823) in the chapter “On Machinery” added to the third edition of his Principles of Political Economy and Taxation (1821). This question related, in his words, to the “influence of machinery on the interests...