effect produced directly or indirectly by one unit of final demand in a certain industry on the production of each industrial sector. While the transaction table is by itself able to make clear the structure of industries, the input-output table is widely utilised for making economic forecasts and for economic planning, etc. by input-output analysis using the input coefficient table and the inverse matrix coefficient table. In the input-output tables for 2015, the transactions between intermediate sectors are expressed as a matrix of 509 rows by 391 columns of sectors. However, presented in this Yearbook are the transaction table and the input coefficient table which are based on the aggregated classification of 13 by 13 sectors. 90 3 国民経済計算
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