We use a very general bivariate GARCH-M model and monthly data on EU countries covering the 1962-2003 period to test for the impact of real (output growth) and nominal (inflation) macroeconomic uncertainty on inflation and output growth. Our evidence supports a number of important conclusions. First, in the majority of countries uncertainty regarding the output growth rate is related to the average growth rate and the effect in several countries is negative. Second, contrary to expectations, inflation uncertainty in several cases improves the output growth performance of an economy implying that the focus of European monetary policy strategy on stabilising inflation rather than output growth may be misplaced. Third, inflation and output uncertainty have a mixed effect on inflation. Our conclusions are based on adopting both a structural and a reduced form bivariate GARCH model. These results imply that macroeconomic uncertainty may even improve macroeconomic performance. Finally, we also and statistically significant evidence of regime switching for both inflation and output growth volatility throughout the sample.
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Paper provided by Department of Economics, University of Macedonia in its series Discussion Paper Series with number
2008_01.
Find related papers by JEL classification: C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation and Testing E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
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