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Inflation differentials in the Euroa area and their determinants: an empirical vies

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In this paper, we present evidence on the statistical features of observed dispersion in HICP inflation rates in the Euro area. Our descriptive exercise shows that there is still a remarkable dispersion of HICP inflation rates across the member countries. We find that most of dispersion originates in the non-traded categories of the HICP. This suggests that the main source of dispersion in countries' headline inflation rates is in those components of the HICP where non-traded goods (services, (public) goods with regulated and administered prices) are more intensely represented. We then examine the determinants of inflation differentials in a panel of the states of the Euro area in 19992007 using alternative classifications of this group and three different datasets. The evidence presented shows that output gaps and a proxy for price level convergence were statistically significant. On the other hand, some determinants that were found significant in previous studies (for example Honohan and Lane 2003, 2004; ECB, 2003) has no impact on inflation in our expanded time span (e.g. exchange rate movements). The dispersion of HICP inflation is expected to increase in the coming years as the new EU member states will join the Euro area. There are some risks for these countries connected with the common monetary policy, which is adjusted more to the conditions of stabilized advanced economies forming the core of the Euro area. This creates potential problems for the EU common monetary policy (ECB), in particular negative (positive) interest rates, their repercussions on investment processes, consumption and the possibility of creating asset bubbles.

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Václav Žďárek, Juan Ignacio Aldasoro

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Adapt according to the presented license agreement and reference the original author.