FORECASTING THE SOUTH AFRICAN ECONOMY WITH GIBBS SAMPLED BVECMs
The paper uses the Gibbs sampling technique to estimate a heteroscedastic Bayesian Vector Error Correction Model (BVECM) of the South African economy for the period 1970:1-2000:4, and then forecasts GDP, consumption, investment, short and long term interest rates, and the CPI over the period of 2001:1 to 2005:4. We find that a tight prior produces relatively more accurate forecasts than a loose one. The out-of-sample-forecast accuracy resulting from the Gibbs sampled BVECM is compared with those generated from a Classical VECM and a homoscedastic BVECM. The homoscedastic BVECM is found to produce the most accurate out of sample forecasts. Copyright (c) 2007 The Author. Journal compilation (c) 2007 Economic Society of South Africa.
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Volume (Year): 75 (2007)
Issue (Month): 4 (December)
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