One frequently quoted passage from the work of John Maynard Keynes is that "the best way to destroy the capitalist system [is] to debauch the currency." The passage, attributed to Vladimir Illyich Lenin, appears in Keynes' book <em>The Economic Consequences of the Peace</em>, which became an...

<italic>In 1883 Henry Sidgwick complained that, with the recent undermining of the authority of political economy, “utterances of dissent from economic orthodoxy” could obtain a ready hearing. This was of particular concern to those writing and teaching on political economy at Cambridge University....</italic>

“…a remarkably clever book, the result of close thought, much observation, and some research. Yet, after having read the book with attention, we are disposed to ask, why has it been written?” (<italic>The Athenaeum</italic>, May 1865).

It has been claimed that references to ‘Giffen behaviour’ constituted a single research project, driven by attempts to establish whether an initial ‘conjecture’ by Alfred Marshall had empirical validity. There is, however, no stable basis for that claim, in part because Marshall produced...