An index number formula problem the aggregation of broadly comparable items /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Silver, M. S.
Kaituhi rangatōpū: ebrary, Inc
Hōputu: Tāhiko īPukapuka
Reo:Ingarihi
I whakaputaina: [Washington D.C.] : International Monetary Fund, 2009.
Rangatū:IMF working paper ; WP/09/19.
Ngā marau:
Urunga tuihono:An electronic book accessible through the World Wide Web; click to view
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