The productivity growth slowdown and Kaldor’s growth facts

Georg Duernecker, Berthold Herrendorf, Akos Valentinyi

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The productivity growth slowdown that started in the 1970s presents a challenge to Kaldor’s growth facts and the one-sector growth model. We ask: What natural modification of the growth model can generate a prolonged productivity growth slowdown? We show that the two-sector version with separate consumption and investment sectors has a balanced growth path equilibrium along which productivity growth slows down if two conditions hold: real GDP is measured with the Fisher index; productivity growth in the consumption sector slows down. We also show that real GDP measured with the Fisher index is a welfare measure in the two-sector version.
Original languageEnglish
Article number104200
JournalJournal of Economic Dynamics and Control
Early online date27 Jul 2021
Publication statusPublished - 1 Sept 2021


  • Fisher index
  • Kaldor’s growth facts
  • Productivity growth slowdown
  • Two-sector growth model


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