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Euro Area Inflation: Aggregation Bias and Convergence

  • Joseph P. Byrne
  • Norbert Fiess

EMU monetary policy targets aggregate Euro Area inflation. Concerns are growing that a focus on aggregate inflation may cause national inflation rates to diverge. While different explanations for diverging aggregate Euro Area inflation have been brought forward, the very impact of aggregation on divergence has however not been studied. We find a striking difference in convergence depending on the level of aggregation. While aggregate national inflation rates are diverging, disaggregate inflation rates are converging. We find that aggregation appears to bias evidence towards non-convergence. Our results are consistent with prominent theoretical and empirical evidence on aggregation bias

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Paper provided by Business School - Economics, University of Glasgow in its series Working Papers with number 2007_41.

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Date of creation: Oct 2007
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Handle: RePEc:gla:glaewp:2007_41
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