| Change
| Components
| Initial year of revision |
| Product-side changes
|
| Commodity distribution of PCE for goods | PCE | 1993 |
| Improved estimates of new autos | PCE, private nonresidential equipment and software | 1988 |
| Improved estimates of used autos | PCE, private nonresidential equipment and software | 1993 |
| Improved estimates of electricity services | PCE | 1959 |
| Improved estimates of change in private inventories | Change in private inventories |
 For construction in the "all other" category | | 1959 |
| For mining in the "all other" category | | 1977 |
| Income-side changes
|
| Improved estimates of farm proprietors' income | Farm proprietors' income | 1969 |
| Improved estimates of rental income from nonfarm nonresidential properties | Rental income of persons | 1929 |
| Improved estimates of interest receipts of captive finance companies | Net interest | 1988 |
| Improved estimates of partnership income | Nonfarm proprietors' income | 1987 |
| Improved adjustment for foreign factor income | Corporate profits | 1987 |
| Improved adjustments for differences in the definition of investment | Corporate profits, nonfarm proprietors' income, CCA | 1986 |
| Improved depreciation-related changes: |
| Personal computers | CFC, CCAdj | 1982 |
| Highways and streets | CFC | 1929 |
| Abandoned nuclear power plants | CFC, CCA, CCAdj | 1984 |
| State and local government taxes | State and local government receipts, IBT | 1985 |
| Quantities and prices
|
| Improved estimates of banking services | PCE, government consumption expenditures and gross investment, exports | 1929 |
| Improved estimates of gross product of nonfinancial corporate business | Gross corporate product | 1977 |
| New prices: |
| For operating expenses for private higher education | PCE | 1988 |
| For operating expenses for other nonprofit institutions serving individuals | PCE | 1993 |
| For expenditures in the U.S. by nonresidents | PCE | 1988 |
| For brokers' commissions on sale of structures | Private nonresidential structures | 1996 |
| For semiconductors | Change in private inventories | 1983 |
| For telephone switching equipment | Exports and imports of goods | 1985 |
| For computer parts and accessories | Exports and imports of goods | 1993 |
| Chain-type indexes and contributions to change
|
| Updated reference year | All product components | 1929 |
| Improved Fisher calculation of chain-type quantity and price indexes | All product components | 1947 |
| Improved Federal Government indexes | Federal Government consumption expenditures and gross investment | 1972 |
| Improved formula for contributions to percent change | All product components | 1958 |
| Changes carried back from the 1997 and 1998 annual revisions/1/
|
| Improved indicator for trust services of commercial banks (1998) | PCE | 1991 |
| Improved indicator for cellular telephone services (1998) | PCE | 1985 |
| Improved methodology for change in private inventories (1998) | Change in private inventories, IVA | 1982 |
| Improved quarterly and monthly estimates of Federal personal income taxes (1998) | Federal Government receipts, personal tax and nontax payments | 1988 |
| New prices: |
| Geometric-mean-type consumer price indexes (CPI's) (1998) | PCE, government consumption expenditures and gross investment | 1978 |
| For cellular telephone service (1998) | PCE | 1987 |
| For auto and truck leasing (1998) | PCE | 1993 |
| For "other professional (medical) services" (1998) | PCE | 1987 |
| For telephone switching and switchboard equipment (1997) | Private nonresidential equipment and software | 1985 |
| Improved timing adjustment for weapons systems (1997) | Change in private inventories | 1991 |
