Monetary policy, financial frictions and structural changes in Uganda: a Markov-switching DSGE approach

Francis Leni Anguyo, Rangan Gupta and Kevin Kotze

Economic Research-Ekonomska Istraživanja, 2020, vol. 33, issue 1, 1538-1561

Abstract: This paper considers the use of regime-switching dynamic stochastic general equilibrium models for monetary policy analysis and forecasting purposes. The objective is to determine whether or not the inclusion of these regime-switching features provide a more accurate description of the economy in a particular low income country. All of the models incorporate financial frictions that are introduced through the activities of heterogeneous agents in the household and several other features that are incorporated in most small open-economy models. Two variants of regime-switching models are considered: one includes switching in the monetary policy rule (only) and the other employs switching in both the monetary policy rule and the volatility of the shocks. The models are applied to the quarterly macroeconomic data for Uganda and most of the parameters are estimated with the aid of Bayesian techniques. The results of the extensive in- and out-of-sample evaluation suggest that the model parameters do not remain constant over the two regimes. In addition, the transition probabilities suggest that there are three distinct periods where the central bank response has been more aggressive. These periods relate to a change in policy framework and significant shocks that have affected the Ugandan economy. It is also noted that the forecasting performance of the regime-switching models are possibly superior to the model that excludes these features over certain horizons.

Date: 2020
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DOI: 10.1080/1331677X.2020.1757480

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