Towards A Rule-Based Approach To Monetary Policy Evaluation In Sub-Saharan Africa
Journal Of African Economies
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.
Stephen A. O'Connell.
"Towards A Rule-Based Approach To Monetary Policy Evaluation In Sub-Saharan Africa".
Journal Of African Economies.
Issue Suppl. 2.
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