Pierangelo Garegnani, in a paper read at the conference on Piero Sraffa held at the Accademia Nazionale dei Lincei in February 2003, put forward an interpretation of the origin of the research project which led Sraffa to publish his book Production of Commodities by Means of Commodities...

In December 1922 Piero Sraffa related to John Maynard Keynes (and many years later to several Italian economists) that as a result of the publication of the article on Italian banking that the latter had asked him to write for the "Reconstruction in Europe" supplement to the "Manchester Guardian...

This paper examines the early years of Piero Sraffa's career. Its purpose is to present new information that may improve our undersranding of his life and work and to integrate or rectify what is already contained in the biographical essays published during the fast two decades with new data...