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On the (non-)equivalence of capital adequacy and monetary policy: A response to Cechetti and Kohler

Author

Listed:
  • Stan du Plessis

    () (Department of Economics, University of Stellenbosch)

  • Gideon du Rand

    () (Department of Economics, University of Stellenbosch)

Abstract

The instrument problem in monetary policy is back on the agenda. Until recently interest rate policy was widely thought to be sufficient for the attainment of appropriate monetary policy goals. No longer. In the wake of the international financial crisis there is much pressure on monetary authorities to incorporate the goal of financial stability more explicitly in policy. This requires an expansion of the instruments typically used by central banks. Cechetti and Kohler (2010) recently considered this new version of the instrument problem in monetary policy by analysing the distinct role and potential for co-ordinating (i) interest rates and (ii) capital adequacy requirements. In this paper we connect this modern debate with an earlier version of the instrument problem, famously discussed by Poole (1970). Then, as now (we claim), the main message of the analysis is the non-equivalence of these instruments and the structural features of the economy on the basis of which one would prefer a particular combination of these instruments. These results are demonstrated with a set of simulations. We also offer a theoretical criticism of the modelling approach used by Cechetti and Kohler (2010).

Suggested Citation

  • Stan du Plessis & Gideon du Rand, 2011. "On the (non-)equivalence of capital adequacy and monetary policy: A response to Cechetti and Kohler," Working Papers 04/2011, Stellenbosch University, Department of Economics.
  • Handle: RePEc:sza:wpaper:wpapers132
    as

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    File URL: https://www.ekon.sun.ac.za/wpapers/2011/wp042011/wp-04-2011.pdf
    File Function: First version, 2011
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    References listed on IDEAS

    as
    1. Gunnar Bårdsen & Kjersti-Gro Lindquist & Dimitrios P. Tsomocos, 2006. "Evaluation of macroeconomic models for financial stability analysis," Working Paper Series 6806, Department of Economics, Norwegian University of Science and Technology.
    2. Stan du Plessis & Ben Smit & Federico Sturzenegger, 2007. "Identifying aggregate supply and demand shocks in South Africa," Working Papers 11/2007, Stellenbosch University, Department of Economics.
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    Cited by:

    1. Stephen G. Cecchetti & Marion Kohler, 2014. "When Capital Adequacy and Interest Rate Policy Are Substitutes (And When They Are Not)," International Journal of Central Banking, International Journal of Central Banking, vol. 10(3), pages 205-231, September.

    More about this item

    Keywords

    Monetary policy; Instrument problem; Interest rates; Alternative monetary policy instruments; Balance sheet operations; Policy co-ordination;

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination

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