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Piero Sraffa

Piero Sraffa
Born (1898-08-05)5 August 1898
Turin, Italy
Died 3 September 1983(1983-09-03) (aged 85)
Cambridge, England
Nationality Italy
Field Political economy
School/tradition Neo-Ricardian school
Alma mater London School of Economics
Influences David Ricardo
Luigi Einaudi
Influenced Michał Kalecki
Joan Robinson
John Maynard Keynes
Luigi Pasinetti
Pierangelo Garegnani
Amartya Sen
John Eatwell
Ludwig Wittgenstein
Murray Milgate
Heinz Kurz
Ian Steedman
Nobuo Okishio
Paul A. Samuelson
Krishna Bharadwaj
Steve Keen
Robin Hahnel
Fernando Vianello

Piero Sraffa (5 August 1898 – 3 September 1983) was an influential Italian economist, who served as lecturer of economics at the University of Cambridge. His book Production of Commodities by Means of Commodities is taken as founding the neo-Ricardian school of Economics.


  • Early life 1
  • Major works 2
    • Ricardo's works and correspondence 2.1
    • Sraffian economics 2.2
  • Personal connections 3
  • Bibliography 4
  • Further reading 5
  • References 6
  • External links 7

Early life

Sraffa was born in Turin, Italy, to Angelo Sraffa (1865–1937) and Irma Sraffa (née Tivoli) (1873–1949) a wealthy Italian Jewish couple.[1] His father was a professor in commercial law and later dean at the Bocconi University in Milan. Despite being raised in a Jewish family, Sraffa later became an agnostic.[2] He studied in his town and graduated at the local university with a work on inflation in Italy during and after World War I. His tutor was Luigi Einaudi, one of the most important Italian economists and later a president of the Italian Republic.

From 1921 to 1922 he studied at the London School of Economics. In 1922, he was appointed director of the provincial labour department in Milan, then professor in political economy first in Perugia and later in Cagliari, Sardinia. In Turin he met Antonio Gramsci (the most important leader of Italian Communist Party). They became close friends, partly due to their shared political views. Sraffa was also in contact with Filippo Turati, perhaps the most important leader of the Italian Socialist Party, whom he allegedly met and frequently visited in Rapallo, where his family had a holiday villa.

In 1925, he wrote about returns to scale and perfect competition, underlining some doubtful points of Alfred Marshall's theory of the firm. This was amended for British readers and published in 1926 as The Laws of Returns under Competitive Conditions.

Major works

In 1927, Sraffa's yet undiscussed theory of value[3]—but also his friendship with Antonio Gramsci, a risky and compromising endeavor in the context of the Italian fascist regime, considering Gramsci had previously been imprisoned (Sraffa supplied the material, literally pens and paper, with which Gramsci would write his Prison Notebooks)—brought John Maynard Keynes to prudently invite Sraffa to the University of Cambridge, where the Italian economist was initially assigned a lectureship.

That Sraffa hated lecturing is normally explained by his shyness. But perhaps he declined teaching an economic theory he found wanting. So he stopped collaborating in the making of Keynes' General Theory as Keynes used a subjective propensity to consume. After a few years, Keynes created ex novo for Sraffa the position of Marshall Librarian.

Together with Frank P. Ramsey and Ludwig Wittgenstein, Sraffa joined the so-called cafeteria group, an informal club that discussed Keynes's theory of probability and Friedrich Hayek's theory of business cycles. In 1939, Sraffa was elected to a fellowship at Trinity College.[4]

Ricardo's works and correspondence

John Eatwell wrote of Sraffa's work on Ricardo:

[Sraffa's] reconstruction of Ricardo's surplus theory, presented in but a few pages of the introduction to his edition of Ricardo's Principles, penetrated a hundred years of misunderstanding and distortion to create a vivid rationale for the structure and content of surplus theory, for the analytical role of the labor theory of value, and hence for the foundations of Marx's critical analysis of capitalist production.[5]

Sraffian economics

Sraffa's Production of Commodities by Means of Commodities was an attempt to perfect classical economics' theory of value, as originally developed by David Ricardo and others. He aimed to demonstrate flaws in the mainstream neoclassical theory of value and develop an alternative analysis. In particular, Sraffa's technique of aggregating capital as "dated inputs of labour" led to a famous scholarly debate known as the Cambridge capital controversy.

Economists disagree on whether Sraffa's work refutes neoclassical economics. Many post-Keynesian economists use Sraffa's critique as justification for abandoning neoclassical analysis and exploring other models of economic behavior. Others see his work as compatible with neoclassical economics, as developed in modern general equilibrium models, or as unable to determine a long-period position, just like the Walrasian approach.[6] Others still argue that the importance of Sraffa's economics is that it provides a new framing for how we understand capitalist economies that does not fall back on the arguably unrealistic assumptions of neoclassical economics. [7]

Nonetheless, Sraffa's work, particularly his interpretation of Ricardo and his Production of Commodities by Means of Commodities (1960), is seen as the starting point of the Neo-Ricardian school in the 1960s. His approach has been described as serving "to help judge Ricardo's editor and to illuminate the unity in [his] scientific vision, from before 1926 until death in 1983."[8][9]

Personal connections

As stated above, Sraffa is known also for his close friendship with Italian Marxist thinker Antonio Gramsci and for being instrumental in securing Gramsci's prison notebooks from the Fascist authorities after the latter's death in 1937. Norman Malcolm famously credits Sraffa with providing Ludwig Wittgenstein with the conceptual break that founded the Philosophical Investigations, by means of a rude gesture on Sraffa's part:[10]

Wittgenstein was insisting that a proposition and that which it describes must have the same 'logical form', the same 'logical multiplicity'. Sraffa made a gesture, familiar to Neapolitans as meaning something like disgust or contempt, of brushing the underneath of his chin with an outward sweep of the finger-tips of one hand. And he asked: 'What is the logical form of that?'

In the introduction to Philosophical Investigations, Wittgenstein mentions discussions with Sraffa over many years and says: "I am indebted to this stimulus for the most consequential ideas in this book".

Sraffa was described as a very intelligent man, with a proverbial shyness and a real devotion for study and books. His library contained more than 8,000 volumes, now partly in the Trinity College Library. A popular anecdote claims that Sraffa made successful long-term investments in Japanese government bonds that he bought the day after the nuclear bombing on Hiroshima and Nagasaki.[11] Another version of this is that Sraffa bought the bonds during the war, when they were trading at distressed prices, as he was convinced that Japan would honour its obligations (Nicholas Kaldor, pp. 66–67).[1]

In 1961, when the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel had not yet been created, he was awarded the Söderströmska Gold Medal by the Swedish Academy. In 1972, he was awarded an honorary doctorate by Sorbonne, and in 1976 he received another one from Madrid's Complutense university.


  • Sraffa, Piero, 1926, "The Laws of Returns under Competitive Conditions", Economic Journal, 36(144), pp. 535–50.
  • _____, 1960, Production of Commodities by Means of Commodities: Prelude to a Critique of Economic Theory. Cambridge University Press. Preview.
  • _____ and M.H. Dobb, editors (1951–1973). The Works and Correspondence of David Ricardo. Cambridge University Press, 11 vols. Online at the Online Library of Liberty.

Further reading

  • Steve Keen, Debunking Economics: The Naked Emperor of the Social Sciences (2001, Pluto Press Australia) ISBN 1-86403-070-4
  • Ranchetti F., "On the Relationship between Sraffa and Keynes", in T. Cozzi e R. Marchionatti (eds.), Piero Sraffa's Political Economy: A Centenary Estimate, Routledge, London, 2001.
  • Ranchetti F., "Communication and intellectual integrity. The correspondence between Keynes and Sraffa", in M.C. Marcuzzo e A. Rosselli (eds.), Economists in Cambridge, Routledge, London, 2005, pp. 119–148.
  • Vianello, F. [1988], “A critique of Professor Goodwin’s Critique of Sraffa”, in: Ricci, G. and Velupillai, K. (eds.), Growth, Cycles and Multisectoral Economics: the Goodwin Tradition, Berlin, Sringer-Verlag, ISBN 978-35-40-19467-5.
  • Vianello, F. [1989], “Effective Demand and the Rate of Profits: Some Thoughts on Marx, Kalecki and Sraffa”, in: Sebastiani, M. (ed.), Kalecki's Relevance Today, London, Macmillan, ISBN 978-03-12-02411-6.


  1. ^ a b Jean-Pierre Potier (1991). Piero Sraffa, Unorthodox Economist (1898–1983): A Biographical Essay (1898–1983: a Biographical Essay).  
  2. ^ Alessandro Roncaglia. "Piero Sraffa". pp. 22–23. Retrieved 24 July 2012. Sraffa liked walks and bike rides. In Cambridge, he always moved around by bike. He used to get up late in the morning and work late into the night. In Trinity as well as when associated with King’s, he regularly dined in the college. As I noticed when he invited me to dinner at Trinity, he took care to arrive after supper was served, so as to skip the  
  3. ^ The participants of the Symposium 1930 in the Economic Journal were more concerned with how increasing returns can be made compatible with competition than with what are the consequences of increasing returns in the real world. Hicks (1939, The Foundations of Welfare Economics, pp. 696 – 712 in Economic Journal, IL, December 1939) concluded that Sraffa’s view has destructive consequences for the major part of economic theory.
  4. ^ G. C. Harcourt, ‘Sraffa, Piero (1898–1983)’, Oxford Dictionary of National Biography, Oxford University Press, 2004.
  5. ^ John Eatwell (1984). "Piero Sraffa: Seminal Economic Theorist." Science and Society, 48(2), pp. 211–216. JSTOR 40402578 Reprinted in Piero Sraffa: Critical Assessments, J. Wood J. C. Wood, 1995, v. 1, pp. 74–79.
  6. ^ Fabio D'Orlando (2005). "Will the Classical-type Approach Survive Sraffian Theory?", in Journal of Post Keynesian Economics, 27(4), pp. 633–654
  7. ^ Philip Pilkington. "The Sraffian Versus the Marginalist Worldview: A Strong Case for Academic Pluralism", Fixing the Economists, April 29th 2014,
  8. ^ Paul A. Samuelson ([1987] 2008). "Sraffian economics." The New Palgrave Dictionary of Economics 2nd Edition. Abstract.
  9. ^ * John Eatwell and Carlo Panico (1987 [2008]). "Sraffa, Piero." The New Palgrave: A Dictionary of Economics, v. 3, pp. 445–52.
  10. ^ Norman Malcolm. Ludwig Wittgenstein: A Memoir. pp. 58–59. 
  11. ^ Profile of Sraffa at The New School

External links

  • Piero Sraffa Archives homepage at Trinity College, Cambridge. Contains an online catalogue of Sraffa's personal and professional papers.
  • Piero Sraffa – Production of commodities
  • Piero Sraffa by Alessandro Roncaglia

Sraffa and the labour theory of value- a note - Fabio Anderaos de Araujo - Dec 2012;

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