Dokumentation og international benchmarking af bygge - Danmarks ...
Dokumentation og international benchmarking af bygge - Danmarks ...
Dokumentation og international benchmarking af bygge - Danmarks ...
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Itfbrtpfbr= × 100t 0pfbrIndex of constructioncomponentThe geometric average of all elementary indices gives then the indexof the respective construction component. The index of constructioncomponent b, in the region r, for the period t is:F∏(tI br= If = 1tfbr1/ F)Respondent ftIndividual price p fbrtElementary index I fbrOct. 2007= t 0Apr.2008Oct.2008Oct. 2007= t 0Apr.2008Oct.2008Respondent 1 360.- 360.- 360.- 100.00 100.00 100.00Respondent 2 440.- 420.- 425.- 100.00 95.45 96.59Respondent 3 420.- 410.- 430.- 100.00 97.62 102.38Index for componenttI 100.00 97.67 99.63brRegional index for thewhole construction typeSubsequently the index for the whole construction type for a region iscalculated as a weighted sum product of the single construction componentindices. Index for construction type c in region r for period t is:BttIcr= ∑ qbc× Ibcrb=1where q bcis the weight of the construction component b for a constructiontype c.82