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Towards a Rule-based Approach to Monetary Policy Evaluation in Sub-Saharan Africa-super- †

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  • Stephen A. O'Connell

Abstract

I review the three-equation AS/IS/MP model that is at the core of the dynamic stochastic general equilibrium (DSGE) models in use within central banks in the industrial countries. Monetary policy (MP) rules play a central role in these models, and alternative rules can be compared in terms of their implications for the economy's dynamic adjustment to shocks. I discuss the advantages of DSGE modelling in low-income countries and show how interest-rate rules can be adapted to reflect the balance-sheet instruments widely used among African countries. I also identify features of the African economic environment that are poorly captured by existing models, including a large and volatile food sector, imperfect capital mobility and a credit channel for monetary policy. To illustrate the DSGE approach, I develop a model in which food supply shocks play a key role in inflation dynamics. I show that private storage can generate serial correlation of food price inflation when food price shocks are serially uncorrelated. Copyright 2011 The author 2011. Published by Oxford University Press on behalf of the Centre for the Study of African Economies. All rights reserved. For permissions, please email: journals.permissions@oup.com, Oxford University Press.

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  • Stephen A. O'Connell, 2011. "Towards a Rule-based Approach to Monetary Policy Evaluation in Sub-Saharan Africa-super- †," Journal of African Economies, Centre for the Study of African Economies (CSAE), vol. 20(suppl_2), pages -66, May.
  • Handle: RePEc:oup:jafrec:v:20:y:2011:i:suppl_2:p:-ii66
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    File URL: http://hdl.handle.net/10.1093/jae/ejq024
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    References listed on IDEAS

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    1. Christopher Adam & Stephen O'Connell & Edward Buffie & Catherine Pattillo, 2009. "Monetary Policy Rules for Managing Aid Surges in Africa," Review of Development Economics, Wiley Blackwell, vol. 13(s1), pages 464-490, August.
    2. Asea, Patrick K & Reinhart, Carmen M, 1996. "Le Prix de l'Argent: How (Not) to Deal with Capital Inflows," Journal of African Economies, Centre for the Study of African Economies (CSAE), vol. 5(3), pages 231-271, October.
    3. Ben S. Bernanke & Frederic S. Mishkin, 1997. "Inflation Targeting: A New Framework for Monetary Policy?," Journal of Economic Perspectives, American Economic Association, vol. 11(2), pages 97-116, Spring.
    4. Olivier Blanchard & Jordi Galí, 2007. "Real Wage Rigidities and the New Keynesian Model," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(s1), pages 35-65, February.
    5. Régis Barnichon & Shanaka J. Peiris, 2008. "Sources of Inflation in Sub-Saharan Africa," Journal of African Economies, Centre for the Study of African Economies (CSAE), vol. 17(5), pages 729-746, November.
    6. Loening, Josef L. & Durevall, Dick & Birru, Yohannes A., 2009. "Inflation dynamics and food prices in an agricultural economy : the case of Ethiopia," Policy Research Working Paper Series 4969, The World Bank.
    7. Inci Ötker & David Vávra & Francisco F. Vazquez & Luis Ignacio Jácome & Karl F Habermeier & Kotaro Ishi & Alessandro Giustiniani & Turgut Kisinbay, 2009. "Inflation Pressures and Monetary Policy Options in Emerging and Developing Countries—A Cross Regional Perspective," IMF Working Papers 09/1, International Monetary Fund.
    8. Brito, Ricardo D. & Bystedt, Brianne, 2010. "Inflation targeting in emerging economies: Panel evidence," Journal of Development Economics, Elsevier, vol. 91(2), pages 198-210, March.
    9. By Mohsin S. Khan & Abdelhak S. Senhadji, 2001. "Threshold Effects in the Relationship Between Inflation and Growth," IMF Staff Papers, Palgrave Macmillan, vol. 48(1), pages 1-1.
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