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Revision of the Corporate Goods Price Index

July 10, 2009
Bank of Japan
Research and Statistics Department

Some figures in the Corporate Goods Price Index (CGPI) have been revised as follows. (The revised data are available in "BOJ Time-Series Data Search".)

Table:Revision of the Corporate Goods Price Index
Index Commodity (Group) Period
Export Price Index Standard passenger cars (Transportation equipment) Dec.2008-Apr.2009
Import Price Index Malt (Foodstuffs & feedstuffs) Sep.2006-Apr.2009
Iron ores (Metals & related products)* Apr.2009
Naphtha (Petroleum, coal & natural gas) Apr.2009
  • :The Commodity " Iron ores " is revised due to the finalization of some sample prices. Normally, the index is revised in the next scheduled retroactive revision (Oct.2009). Since the change of "All commodities" index is large this time, unscheduled revision is made. Contribution of this revision to "All commodities" is -0.5points in a contract currency basis and -0.4points in a yen basis.

Following this revision in Commodity indexes, changes have also been made to the higher order indexes.

CGPI data are available in the "Price Indexes Quarterly," "Financial and Economic Statistics Monthly" and "Bank of Japan Statistics" as well as in the Bank of Japan website. Revised data can be obtained from "BOJ Time-Series Data Search."

For inquiries, please contact the following sections of the Bank of Japan.

Inquiries concerning the revision to the data and the "Price Indexes Quarterly":
Price Statistics Section, Research and Statistics Department (e-mail:post.rsd3@boj.or.jp)

Inquiries concerning the "Financial and Economic Statistics Monthly" and the "Bank of Japan Statistics":
Statistics Planning Section, Research and Statistics Department (e-mail:post.rsd5@boj.or.jp)