Input-Output Accounts Methodology (1987 Benchmark)

IntroductionThis publication presents the 1987 benchmark input- The text also reproduces the two appendixes thatoutput (I-O) accounts for the U.S. economy. It provides previously appeared in the April SURVEY. Appendix Athe estimates for both the summary (that is, at the two- provides a list of selected SURVEY articles about the I-Odigit I-O level) and the detailed (six-digit I-O level) accounts; appendix B provides a concordance betweenindustries and commodities in one publication. In addi- the codes used in the I-O accounts and the 1987 Stan-tion, it provides estimates for tables that the Bureau of dard Industrial Classification (SIC) system. This volumeEconomic Analysis (BEA) has not published for a num- includes two additional appendixes: Appendix C de-ber of years, and it provides more specific information scribes the components of the measures of output,than has been published in recent years on the use of intermediate inputs, and value added; and appendix Dthe U.S. accounts and on the methods underlying them. provides the mathematical derivation of the I-O totalrequirements tables.Organization of the publication The tables presenting the 1987 I-O benchmark esti-mates are divided into two complementary parts. TheThe text consists of two parts and four appendixes. first part presents the summary estimates as they wereThe first part of the text combines the text of the ar- presented in the April and May issues of the SURVEY.ticle “Benchmark Input-Output ...