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Corruption, central bank (in)dependence and optimal monetary policy in a simple model

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  • Cavoli, Tony
  • Wilson, John K.

Abstract

Using a simple macroeconomic model, this paper examines the interaction between corruption and central bank independence in the construction of an optimal monetary policy rule where the instrument of policy is the real interest rate. As such, we are especially interested in how the policy instrument reacts to key macroeconomic variables in the face of possible corruption (modelled here as tax leakage) and possible dependence by the central bank on the fiscal policy process. We analyse this issue by deriving optimal rules for a strict inflation targeting and a real exchange rate target regime. We find that, firstly, the existence of corruption imposes an inflationary bias on the optimal rule – even when the central bank is independent. We find, furthermore, that a central bank that exhibits some dependence exacerbates this effect.

Suggested Citation

  • Cavoli, Tony & Wilson, John K., 2015. "Corruption, central bank (in)dependence and optimal monetary policy in a simple model," Journal of Policy Modeling, Elsevier, vol. 37(3), pages 501-509.
    • Handle: RePEc:eee:jpolmo:v:37:y:2015:i:3:p:501-509
    DOI: 10.1016/j.jpolmod.2015.03.012
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    References listed on IDEAS

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    Cited by:

    1. Félix J. López-Iturriaga & Iván Pastor Sanz, 2018. "Predicting Public Corruption with Neural Networks: An Analysis of Spanish Provinces," Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, Springer, vol. 140(3), pages 975-998, December.
    2. Sandile Hlatshwayo & Anne Oeking & Mr. Manuk Ghazanchyan & David Corvino & Ananya Shukla & Mr. Lamin Y Leigh, 2018. "The Measurement and Macro-Relevance of Corruption: A Big Data Approach," IMF Working Papers 2018/195, International Monetary Fund.

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