Table A1 Principal Data Sources

Table A1
Principal Data Sources

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Data Sources
Input-Output Accounts, 1992 and 1996 U.S. Department of Commerce (USDOC), Economic and Statistics Administration, Bureau of Economic Analysis (BEA), Benchmark Input-Output Accounts for the U.S. Economy, 1992; Input-Output Accounts for the U.S. Economy, 1996; detailed underlying data files for these accounts.
Transportation Satellite Accounts (TSAs), 1992 and 1996 U.S. Department of Transportation (USDOT), Bureau of Transportation Statistics (BTS), Transportation Satellite Accounts: A New Way of Measuring Transportation in America, 1999; detailed underlying data files for the TSAs.
Gross output by industry USDOC, BEA, Gross Domestic Product by Industry data, http://www.bea.doc.gov/bea/dn2/go7700.exe.
Gross domestic product by industry USDOC, BEA, Industry Accounts Data, http://www.bea.doc.gov/bea/dn2/gpoc.htm.
Annual total depreciation of motor vehicles owned by consumers USDOC, BEA, Fixed Asset tables, table 8.4 (and table 2.4 for private fixed assets by type).
Motor vehicle licenses USDOC, BEA, National Income and Product Accounts tables, tables 3.4 and 3.5, http://www.bea.doc.gov/bea/dn/nipaweb.
Median earnings for taxicab drivers U.S. Department of Labor, Bureau of Labor Statistics, Division of Monthly Industry Employment Statistics, unpublished data. (202) 691-6555.
Vehicle-miles of travel (vmt) by type of vehicles and highway total USDOT, BTS for 1992, National Transportation Statistics 1998, chapter 1, table 1-9; for 1996-1997, National Transportation Statistics 1999, table 1-28; and for 2000, USDOT, Federal Highway Administration, Highway Statistics, http://www.fhwa.dot.gov/ohim/hs00/.
Household vmt (1995) Based on Hu and Young (1999), Summary of Travel Trends: 1995 Nationwide Personal Transportation Survey, http://www-cta.ornl.gov/npts/1995, table 1.
Average motor vehicle speed Based on Hu and Young (1999), Summary of Travel Trends: 1995 Nationwide Personal Transportation Survey, http://www-cta.ornl.gov/npts/1995, table 28.
Personal consumption expenditure on user-operated transportation services excluding purchases for automobiles USDOC, BEA, National Income and Product Accounts tables, table 2.4: Personal Consumption Expenditures by Type of Expenditure, http://www.bea.doc.gov/bea/dn/nipaweb.