Table 7.—Principal Source Data and Estimating Methods Used in Preparing Estimates of Gross Output for Use in Double Deflation

Industry/1/ Current dollars Constant dollars
Extrapolator or interpolator of benchmark values/2/ Price index for deflation or quantity extrapolator of base-year value
Agriculture, forestry, and fisheries:
FarmsCash receipts from marketings, inventory change, and other receipts from USDAPrices received by farmers from USDA.
Agricultural services, forestry, and fisheries:
Agricultural servicesReceipts for agricultural services, forestry, and fisheries from IRS tabulations of business tax returns less gross output of forestry and fisheriesIndex of selected prices paid by farmers from USDA.
ForestryShipments of logging camps and contractors from Census Bureau quinquennial census and annual surveyPPI's.
FisheriesValue of fish landed from NOAAFish landed from NOAA.
Mining:
Metal miningPhysical quantity produced times average price: For uranium, physical quantity and average price from DOE; for all others, quantities and prices from BOMQuantity produced from BOM.
Coal miningPhysical quantity produced times average price, both from DOEQuantity produced from DOE.
Oil and gas extraction:
Oil and gas extractionPhysical quantity produced times average price, both from NEA's through 1985 and from DOE for 1986 forwardQuantity produced from NEA's and DOE.
Oil and gas field servicesPetroleum and natural gas well drilling and exploration: Footage drilled and cost per foot from trade sourcesFootage drilled from trade source.
Nonmetallic minerals, except fuelsPhysical quantity produced times average price, both from BOMQuantity produced from BOM.
Construction:
For the Department of DefenseExpenditures from DODFor most military construction, BEA indexes based on DOD prices; for other construction, cost indexes from trade sources and government agencies.
For State and local highwaysExpenditures from Census Bureau annual survey of government spendingFor new construction, cost indexes from government agencies; for maintenance and repair, CPI for home maintenance and repair services.
For private electric and gas utilitiesExpenditures from Federal regulatory agencies and trade sourceCost indexes from trade sources and government agencies.
For farms, excluding residentialExpenditures from USDACost index from trade source and price deflator for new single-family houses under construction from Census Bureau.
For other nonresidential:
New constructionValue put in place from Census Bureau construction surveyCost indexes from trade sources and government agencies and price deflator for new single-family houses under construction from Census Bureau.
Maintenance and repairValue put in place from Census Bureau construction surveyCPI for home maintenance and repair services.
For other residential:
New constructionValue put in place from Census Bureau construction surveyPrice deflator of new single-family houses under construction from Census Bureau.
Maintenance and repairExpenditures by owner-occupants from BLS survey and by landlords from Census Bureau surveyCPI for home maintenance and repair services.
ManufacturingShipments and inventory change from Census Bureau annual surveyPPI's, BEA computer price index, and BEA price indexes based on DOD prices paid for military equipment.
Transportation:
Railroad transportationTotal operating revenue for Class I railroads and AMTRAKComposite index of IPD for Class I freight, from revenue ton-miles from trade source, and of IPD for AMTRAK passenger, from passenger miles from NRPC.
Local and interurban passenger transit:
TaxicabsPCE CPI for taxi fares.
Intercity busesOperating revenues from trade sourcePassenger miles from ICC and trade source.
School busesWages and salaries from BLSEmployment from BLS.
Other local transitOperating revenues of private local transit systems from trade sourcePassenger trips from trade source.
Trucking and warehousingFor 1977-83, operating revenues for Class I motor carriers of property from ICC; for 1984 forward, Census Bureau annual surveyTon-miles from DOT.
Transportation by airOperating revenues of air carriers and of Federal Express from DOT and public sources For passenger, revenue passenger miles for domestic and for international travel from DOT. For freight and mail, ton-miles for domestic and international freight and for domestic and international mail from DOT. For all other, composite index of IPD for passenger, freight, and mail.
Pipelines, except natural gasOperating revenues from trade sourceTon-miles from trade source.
Communications:
Radio and television broadcastingAdvertising expenditures from trade source; PCE for cable televisionFor advertising, cost indexes from trade source. For cable television, CPI for cable television.
Telephone and telegraphRevenues from FCCPPI's.
Electric, gas, and sanitary services:
Electric utilitiesFor private utilities, revenues from DOE. For rural cooperatives, revenues from USDAKilowatt hours from trade source.
Gas utilitiesRevenues of gas pipeline and utilities from trade sourceBTU's from trade source.
Sanitary servicesReceipts from IRS tabulations of business tax returnsCPI for water and sewerage maintenance.
Wholesale trade:
Merchant wholesalersRatio of gross margin to sales (margin rate) times sales: For 1977-82, margin rate from quinquennial census and sales from Census Bureau annual survey; for 1983 forward, both from annual survey Sales deflated by PPI's.
Manufacturers' sales branches and sales officesFor equipment rental, interpolation of quinquennial census receipts; for 1988 forward, judgmental trend. For other receipts, manufacturing shipments from Census Bureau annual survey For equipment rental, IPD from BEA capital stock statistics For other receipts, shipments deflated by PPI's.
Agents and brokersMerchant wholesalers margin rate times sales: For 1977-82, margin rate from quinquennial census and sales from Census Bureau annual survey; for 1983 forward, both from annual survey Merchant wholesalers sales deflated by PPI's.
Retail trade:
Eating and drinking placesSales from quinquennial census and from Census Bureau annual surveyCPI's.
OtherRatio of gross margin to sales (margin rate) times sales: For 1977-82, margin rate from quinquennial census and sales from Census Bureau annual survey; for 1983 forward, both from annual survey Sales deflated by CPI's.
Finance, insurance, and real estate:
Security and commodity brokersSecurities commissions, revenue from sale of investment company securities, profits on underwriting/selling, gains on trading accounts and other revenues excluding interest, and revenues earned by exchanges; receipt items from SEC and interest from SEC and BEAFor securities commissions, number of public securities orders from SEC and trade sources; for mutual funds, IPD for securities commissions; for underwriting, new securities registrations from SEC and trade sources; for other revenue for 1977-87, BEA price from trade source data on merger and acquisition fees; for all others, IPD for GDP.
Insurance carriersNet premiums for health, auto, accident, property, and workers' compensation insurance from trade sources; PCE for expense of handling life insuranceFor health and life insurance, IPD's for PCE. For all others, composite index of BEA IPD for workers' compensation and CPI for auto and property insurance.
Insurance agents and brokers, and servicesReceipts from IRS tabulations of business tax returns Insurance carrier deflators weighted by commissions from trade source.
Real estate:
Nonfarm housing servicesPCE for owner- and tenant-occupied nonfarm dwellingsIPD for PCE.
Services:
Hotels and other lodging placesReceipts from Census Bureau quinquennial census and annual surveyRoom-rate index from trade source.
Personal servicesReceipts from Census Bureau quinquennial census and annual surveyCPI's.
Automotive repair, services, and parkingReceipts from Census Bureau quinquennial census and annual surveyCPI's.
Miscellaneous repair servicesReceipts from Census Bureau quinquennial census and annual surveyCPI's and average annual earnings from BLS.
Motion picturesReceipts from Census Bureau quinquennial census and annual surveyCPI for admissions.
Amusement and recreation servicesReceipts from Census Bureau quinquennial census and annual surveyCPI's.
Health services:
HospitalsReceipts from trade sourcesHCFA index of input prices and CPI for hospital room.
Other health servicesReceipts from Census Bureau quinquennial census and annual surveyCPI's and HCFA index of input prices.
Legal servicesReceipts from Census Bureau quinquennial census and annual surveyCPI for legal services.
Educational servicesPCE for private educationIPD for PCE.

1. Source data and estimating methods apply to both the 1972 SIC and 1987 SIC definition of the industries shown in this table. Industry titles are 1987 SIC titles.

2. Benchmark values are derived from 1977, 1982, and 1987 input-output tables.

BEA Bureau of Economic Analysis (DOC)

DOT U.S. Department of Transportation

NEA National Energy Accounts (DOC, Office of Business Analysis)

BLS Bureau of Labor Statistics

EIA Energy Information Administration (DOE)

NOAA National Oceanic and Atmospheric Administration (DOC)

BOM Bureau of Mines

FCC Federal Communications Commission

NRPC National Railroad Passenger Corporation

CPI Consumer Price Index (BLS)

HFCA Health Care Financing Administration

PCE Personal consumption expenditures

DOC U.S. Department of Commerce

ICC Interstate Commerce Commission

PPI Producer Price Index (BLS)

DOD U.S. Department of Defense

IPD Implicit price deflator

SEC Securities and Exchange Commission

DOE U.S. Department of Energy

IRS Internal Revenue Service

USDA U.S. Department of Agriculture