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The B.E. Journal of Theoretical Economics

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Dynamic Stability of Post-Keynesian Pricing

Eric Kemp-Benedict
  • Corresponding author
  • Stockholm Environment Institute, Somerville, MA, USA
  • Email:
Published Online: 2017-02-24 | DOI: https://doi.org/10.1515/bejte-2016-0013


Conventional economic theory assumes a Walrasian pricing mechanism that is known to pose theoretical difficulties. Less well-known is that conventional price theory conflicts with empirical studies of price-setting in industrial firms. Post-Keynesian theory, which assumes mark-up pricing on normal costs and infrequent price changes, is consistent with observation, and we show in this paper that post-Keynesian pricing, unlike conventional pricing, features stable dynamics. We focus on the short run, because post-Keynesian theory posits complex and historically-contingent long-term price dynamics. Specifically, we show that under very general conditions, prices converge to a unique equilibrium price vector.

Keywords: general equilibrium; prices; post-Keynesian; Perron-Frobenius theorem; Sraffian

JEL Classification: E3: Prices; Business Fluctuations; and Cycles; C67: Input–Output Models; B5: current heterodox approaches


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Published Online: 2017-02-24

Citation Information: The B.E. Journal of Theoretical Economics, ISSN (Online) 1935-1704, ISSN (Print) 2194-6124, DOI: https://doi.org/10.1515/bejte-2016-0013. Export Citation

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