20 Prices 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. Corporate Goods Price Index The Corporate Goods Price Index, which 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 year for the base and weights of the present series is 2015. 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 reference indices, such as indices by trading stage or by use, are calculated for analytical needs and users’ convenience by rearranging and adjusting the basic grouping indices. Producer Price Index The index reflects prices of corporate goods that are produced domestically for domestic consumption at the shipping stage from producers. The weights are calculated by subtracting the amount of exports in the base year, which is obtained from the "Trade Statistics of Japan" by the Ministry of Finance, from the amount of producer's shipment in the base year, which is obtained from the "Census of Manufacture (Report by Commodity)" by the Ministry of Economy, Trade and Industry. For weights of some commodities for which the standard method is not applicable, other statistics or materials are used. Number of commodities used for the index is 746, and the prices include the consumption tax. 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. The weights are derived from the export and import data obtained from "Trade Statistics of Japan" in the base year. Numbers of commodities used for the indices are 209 for export and 258 for import. Index by Stage of Demand and Use The Index by Stage of Demand and Use is compiled by recombining the basic grouping indices, focusing at various stages of demand or uses of goods. It is used for analysing price fluctuations from various aspects such as the analysis of ripple effects of price changes. The index is compiled on a consumption tax free basis. Service Producer Price Index This index measures the change in prices of services traded among companies. This index is used to grasp the conditions of supply and demand of services by summarising the prices of services traded among companies, and to provide basic information for analysing business trend and for the decision of monetary policy. The index is compiled monthly by the Bank of Japan based on the "Laspeyres-type formula with fixed weights". The base year for the present index is 2015, and the number of service items to be priced is 146, including as well the 20 Prices 469
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