90 3 国民経済計算 statistic created using various information such as the transaction status between all industries. As such, the Input-Output Table has the following characteristics. (1) Comprehensive understanding of Japan's economic structure is possible. (2) By compiling various primary statistics with different purposes into an Input-Output Table, inter-industry interrelationships and various comparisons that cannot be seen by simply comparing primary statistics alone become possible. The main constituent of the Input-Output Tables are the basic transaction table, input coefficient table, and inverse matrix coefficient table. The basic transaction table shows matrix representations of the values of goods and services transacted between industries, etc. or between industry and final demand (households, etc.), while the input coefficient table is obtained by dividing the value of raw materials inputted, etc. for each industry in a column of the basic transaction table by the value of production of the industry columns, indicating the quantity of raw materials, etc. necessary for the production of one unit in each industry. The inverse matrix coefficient tables show the ripple 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 most important use is the input-output coefficient, the inverse matrix coefficient, and the end-demand product-specific production inducement coefficient are used to predict the economy, measure the effects of specific economic policies, or perform price analysis. In the Input-Output Tables for 2020, for endogenous sector, basic transaction tables for basic classifications (445 rows by 391 columns), various coefficient tables for integrated minor classifications (188 sectors), and various supplementary tables. However, presented in this chapter are the transaction table and the input coefficient table which are based on the aggregated classification of 13 by 13 sectors. In addition, the units in the table of statistics were reviewed, and the unit of 1 million was changed to 100 million (1 billion table, with the first decimal place). See the Glossary for Terms in this chapter.
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