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Redefining monetary policy rules: A threshold approach

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  • Carmen Diaz-Roldan
  • María A Prats
  • Maria del Carmen Ramos-Herrera

Abstract

In this paper, we try to analyse the extent to which a redefinition of the monetary policy rule would help to avoid the zero-lower bound, as well as to explore the conditions needed to avoid that constraint. To that aim, we estimate the threshold values of the key variables of the policy rule: the inflation gap and the output gap. The threshold model allows us to know which are the turning points from which the relationship between the key variables and the interest rate revert. In the Eurozone countries, we have found that the inflation gap always contributes to increasing the nominal interest rate. On the contrary, the output gap works differently when it reaches values above or below the threshold value, which would favour the reduction of the interest rates towards the zero level.

Suggested Citation

  • Carmen Diaz-Roldan & María A Prats & Maria del Carmen Ramos-Herrera, 2021. "Redefining monetary policy rules: A threshold approach," PLOS ONE, Public Library of Science, vol. 16(5), pages 1-13, May.
  • Handle: RePEc:plo:pone00:0252316
    DOI: 10.1371/journal.pone.0252316
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    References listed on IDEAS

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    Cited by:

    1. Xin, Baogui & Jiang, Kai, 2023. "Central bank digital currency and the effectiveness of negative interest rate policy: A DSGE analysis," Research in International Business and Finance, Elsevier, vol. 64(C).

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