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The Young Paul Samuelson: Mathematics as a Language, the Operational Attitude, and Systems in Equilibrium

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Paul Samuelson

Part of the book series: Remaking Economics: Eminent Post-War Economists ((EPWE))

Abstract

In his Foundations of Economic Analysis, which was an extension of his dissertation defended in 1940 at Harvard University, the young Paul Samuelson argued that he was providing economics with new scientific foundations. In these texts, believing that “Mathematics is a Language,” Samuelson connected mathematics and economics while adopting an operational attitude and treating the individual and aggregate levels of the economy as systems in stable equilibrium. His work resonated with the work of preeminent Harvard figures of the 1930s, particularly the physicist Percy Bridgman’s operationalism and the physiologist Lawrence Henderson’s ideas about systems in equilibrium. However, the connection between Samuelson and these figures still remains opaque. In this chapter, it is noted that Samuelson wrote his dissertation and Foundations under the significant influence of his professor of mathematical economics at Harvard, Edwin Bidwell Wilson, who defined mathematics as a language. I argue that Wilson acted as a mediator between his Harvard colleagues and Samuelson.

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Notes

  1. 1.

    For the first volume of a detailed and comprehensive intellectual biography of Samuelson, see Backhouse (2017).

  2. 2.

    Huntington was reacting to foundational debates in mathematics and science as these debates were developing in the USA around 1910.

  3. 3.

    See Papers of Edwin Bidwell Wilson (hereafter PEBW), Harvard University Archives (HUA), HUG4878.214, Box 3, Folder Miscellaneous Papers, Chapter I. General Introduction (unpublished and undated).

  4. 4.

    On Wilson’s ideas about too much or too little mathematics, see Wilson (1928b). More generally, for a full account of Wilson’s definition of mathematics as a language, see Carvajalino (2018a).

  5. 5.

    Wilson to Hoernlé, 4 March 1920, PEBW, HUA, HUG4878.203, Box 2, Folder 1917–1920 H.

  6. 6.

    On Bridgman’s operational attitude, see Isaac (2012), Hands (2004), and Walter (1990) as well as Hands in this volume.

  7. 7.

    Wilson’s and Bridgman’s ideas about science significantly reflected the ideas of American pragmatism. During the 1920s, Wilson was asked to write the biographical memoir of Charles Sanders Peirce, one of the most important American pragmatists. Wilson never finished the memoir. However, he read some of Peirce’s work and eventually engaged with some aspects of it. Wilson was particularly impressed by Peirce’s ideas on statistical inference (Wilson 1923a, b, 1926a, b, 1927a, b).

  8. 8.

    Wilson to Bumstead, 18 December 1915, PEBW, HUA, HUG4878.203, Box 1, Folder 1914–1916 B; underlining in original.

  9. 9.

    Wilson to Cannon, 8 May 1923, PEBW, HUA, HUG4878.203, Box 4, Folder C, 2).

  10. 10.

    See Leonard (2016) and Rutherford (2011).

  11. 11.

    Wilson to Henderson, 25 January 1932, PEBW, HUA, Box 19, Folder H.

  12. 12.

    See Isaac (2012), Cot (2011) and Heyl (1968).

  13. 13.

    A non-comprehensive listing includes Samuelson (1937a, b, 1938a, b, c, d, e, 1939a, b, c, d, e, 1940), Schumpeter et al. (1939), and Nixon and Samuelson (1940).

  14. 14.

    Wilson’s influence on Samuelson’s dissertation was not only relevant from the perspective of the operational attitude. Wilson was also significantly influential at the theoretical level. In his courses, Wilson had defined equilibrium in consumer theory precisely with time-independent inequalities of discrete magnitudes, which he called the Gibbs conditions. He had also mentioned the Le Châtelier’s Principle and had explained that the continuous and the discrete could be interconnected by a one-to-one correspondence, as suggested in Samuelson’s use of the Correspondence Principle.

  15. 15.

    Samuelson to Wilson, 25 January 1939, Paul A. Samuelson Papers, David M. Rubenstein Rare Book & Manuscript Library, Duke University, Box 77.

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Carvajalino, J. (2019). The Young Paul Samuelson: Mathematics as a Language, the Operational Attitude, and Systems in Equilibrium. In: Cord, R., Anderson, R., Barnett, W. (eds) Paul Samuelson. Remaking Economics: Eminent Post-War Economists. Palgrave Macmillan, London. https://doi.org/10.1057/978-1-137-56812-0_4

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