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Real and Apparent Unknowns and the Origin of Sraffa’s Equations

In: New Perspectives on Political Economy and Its History

Author

Listed:
  • Nerio Naldi

    (University of Rome La Sapienza)

Abstract

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 Commodities (Sraffa 1960). The chapter puts forward a reformulation of the part of Garegnani’s discussion devoted to consider how Sraffa came to introduce price variables into his equations. Following Garegnani’s analysis, we will see that Sraffa’s earliest equations included only things and no price variables. Furthermore, we will also see that Sraffa still tried to maintain his earliest formulation for the case of a no surplus economy even after he had decided to introduce price variables into his positive surplus equations.

Suggested Citation

  • Nerio Naldi, 2020. "Real and Apparent Unknowns and the Origin of Sraffa’s Equations," Palgrave Studies in the History of Economic Thought, in: Maria Cristina Marcuzzo & Ghislain Deleplace & Paolo Paesani (ed.), New Perspectives on Political Economy and Its History, chapter 0, pages 279-299, Palgrave Macmillan.
    • Handle: RePEc:pal:pshchp:978-3-030-42925-6_14
    DOI: 10.1007/978-3-030-42925-6_14
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