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Real economic convergence and the impact of monetary policy on economic growth of the EU countries: The analysis of time stability and the identification of major turning points based on the Bayesian methods

Mariusz Próchniak () and Bartosz Witkowski ()

No 137, NBP Working Papers from Narodowy Bank Polski, Economic Research Department

Abstract: This study analyzes the time stability of both the GDP beta convergence and the impact of monetary policy variables on economic growth in EU27 countries during 1993-2010 and EU15 during 1972-2010. To address the problem of variables’ selection, Bayesian model pooling (BMP) is used while choosing the appropriate variables for the regression. To loosen the assumption of stability overtime, interaction terms of particular regressors are introduced with time dummies (the whole sample is divided into time intervals and is allowed for structural breaks). To address the problem of potential inconsistency of ‘typical’ estimators, the study employs Blundell and Bond’s GMM system estimator. All the calculations are based on annual data and 3-year intervals. The main findings are: (1) The EU27 countries converged at the rate of about 5-6% per annum while the EU15 countries – at 3% p.a. (2) The pure mechanism of conditional convergence of the countries under study was rather constant over time. (3) The considered economic growth determinants, including all the variables related with monetary policy, exhibited mixed impact on economic growth, especially based on annual data. (4) These results have been obtained for the following turning points: 2004, 1998, and – in the case of EU15 countries – 1989.

Keywords: convergence; economic growth; growth factors; Bayesian pooling; EU countries (search for similar items in EconPapers)
JEL-codes: C11 C23 O40 O47 (search for similar items in EconPapers)
Date: 2012
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