Piero Sraffa. Image via Wikipedia
This recently published paper by my former PhD advisor, Vela Velupillai, sheds light on Sraffian economics and the naturally constructive elements of his theory. UL students can access the paper here if they are on campus. The paper is very well written, and will teach you something about modern economics as it relates to classical economics.
Abstract: The claim in this paper is that Sraffa employed a rigorous logic of mathematical reasoning in his book, Production of Commodities by Means of Commodities (PCC), in such a way that the existence proofs were constructive. This is the kind of mathematics that was prevalent at the beginning of the nineteenth century, which was dominated by the concrete, the constructive and the algorithmic. It is, therefore, completely consistent with the economics of the nineteenth century, which was the fulcrum around which the economics of PCC was conceived.
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