20 Prices 20 Prices 489 This chapter covers price indices, prices of goods, services and land. The section on price indices contains domestic corporate prices, export and import prices, agricultural prices, consumer prices, etc. The section on prices contains retail prices and land prices. Bank of Japan Statistics See "4 Currency and Flow of funds". This chapter covers the following statistics from the statistical field of prices. Prices Corporate Goods Price Index This index measures the change in prices of commodities traded among companies. The index is compiled monthly by the Bank of Japan, is aimed to grasp demand and supply conditions of commodities and to provide materials for judging business conditions and for formulating monetary policy, by collecting trading prices of commodities traded among enterprises. The Corporate Goods Price Index consists of basic grouping indices and reference indices. The basic grouping indices consist of three indices: Producer Price Index, Export Price Index and Import Price Index. These indices are firstly calculated by transforming price of individual goods into indices and, secondly, by consolidating them into a single index by the "Laspeyres-type formula with fixed weights", which means to add up the indices using corresponding weights at the base year. The calendar year 2020 is used as the base year for the indexes. The average value of 2019 and 2020 is used as the base year for weight. Producer Price Index This index reflects prices of corporate goods that are produced domestically for domestic consumption at the shipping stage from producers. Number of commodities used for the index is 515, and the prices include the consumption tax. Regarding the weight calculation, the average value of 2019 shipments to domestic market (deducing the export value of 2019 in the Trade Statistics of Japan from the value of shipments in the Census of Manufacture 2019) and 2020 shipments to domestic market (deducing the export value of 2020 in the Trade Statistics of Japan from the value of 2020 shipments estimated by using the percent change from the previous year in dynamic statistics such as the Current Survey of Production, based on the value of shipments in the Census of Manufacture 2019) is used. In cases where the transaction values cannot be calculated from the above data sources (e.g. non-manufacturing products, etc.), the bank uses other statistics published by government agencies or industry organisations accordingly. Export Price Index, Import Price Index The Export Price Index is based, as a principle, on the FOB (free on board) prices, that are the prices of export goods at the time of shipping from Japan, and the Import Price Index is based, as a principle, on the CIF (cost, insurance and freight) prices. The indices are compiled both on a yen basis and a contract currency basis. Numbers of commodities used for the indices are 184 for export and 210 for import, and the prices does not include the consumption tax. The weights were calculated using the value of exports from the Foreign Trade Statistics released by the Ministry of Finance for the base year and the average value of imports in 2019 and 2020. Service Producer Price Index This index measures price developments of service products provided to business including the central and local governments of Japan (hereafter, "business" as a service user also includes the central and local governments). The index is compiled monthly by the Bank of Japan, is aimed to capture developments in supply-demand conditions for service products provided to business through collection and aggregation of their prices,
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