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  • Should euro-area economies be modelled in an aggregate (area-wide) fashion or in a disaggregate (multi-country) one? This paper tackles that question from both a statistical and an economic viewpoint. From a statistical viewpoint, aggregation bias criteria are found to signal that the degree of structural heterogeneity among euro-area economies is such that the loss of information entailed by an aggregate modelling approach may be far from trifling. From an economic viewpoint, we investigate the following issue: Are those statistically detectable heterogeneities of any practical relevance when it comes to supporting monetary policy decision-making? To provide an answer to this question, we compute simple optimal monetary policy reaction functions on the basis of either an aggregate model or a disaggregate one, and compare the associated welfare losses. The results suggest that the welfare under-performance of an area-wide-model-based rule is not only non negligible, but also robust with respect to a number of sensitivity analyses. (xsd:string)
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?:dateModified
  • 2008 (xsd:gyear)
?:datePublished
  • 2008 (xsd:gyear)
?:doi
  • 10.1080/00036840701858075 ()
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  • en (xsd:string)
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?:issueNumber
  • 19 (xsd:string)
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  • The economic consequences of Euro-area macro-modelling shortcuts (xsd:string)
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  • Zeitschriftenartikel (xsd:string)
  • journal_article (en)
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  • GESIS-SSOAR (xsd:string)
  • In: Applied Economics, 42, 2008, 19, 2399-2415 (xsd:string)
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?:urn
  • urn:nbn:de:0168-ssoar-242456 ()
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  • 42 (xsd:string)