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The incommensurability, incompatibility and incomparability of Keynes's and Walrasian economics

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  • Heise, Arne

Abstract

The Cambridge Journal of Economics witnessed an important debate between Mark Pernecky and Paul Wojick on the one side and Rod Thomas on the other about the usefulness of Thomas Kuhn's sociology and philosophy of science in explaining why Keynes's revolutionary ideas exposed in the General Theory have been 'lost in translation'. This brief note is an attempt to reconcile Pernecky and Wojick's claim that Keynes's new economics of the General Theory and Walrasian General Equilibrium are incommensurable paradigms in a Kuhnian understanding and Thomas's critique that - if they were incommensurable - Pernecki and Wojick's appraisal of Keynes's paradigm as a better approximation to the 'real world' than Walsrasian General Equilibrum is inconsistent within that very Kuhnian framework.

Suggested Citation

  • Heise, Arne, 2021. "The incommensurability, incompatibility and incomparability of Keynes's and Walrasian economics," ZÖSS-Discussion Papers 82, University of Hamburg, Centre for Economic and Sociological Studies (CESS/ZÖSS).
    • Handle: RePEc:zbw:cessdp:82
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    More about this item

    Keywords

    Keynes; Kuhn; Paradigm; Incommensurability;
    All these keywords.

    JEL classification:

    • B2 - Schools of Economic Thought and Methodology - - History of Economic Thought since 1925
    • B40 - Schools of Economic Thought and Methodology - - Economic Methodology - - - General
    • B5 - Schools of Economic Thought and Methodology - - Current Heterodox Approaches

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