Outsourcing and U.S. Economic Growth: The Role of Imported Intermediate Inputs Christopher Kurz, Paul Lengermann Federal Reserve Board of Governors* World Congress on National Accounts.
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Outsourcing and U.S. Economic Growth: The Role of Imported Intermediate Inputs Christopher Kurz, Paul Lengermann Federal Reserve Board of Governors* World Congress on National Accounts – May 2008 *The views expressed below are those of the authors and should not be attributed to the Federal Reserve Board 20.0% Imported Intermediate Share of Intermediate Inputs 18.0% 16.0% 14.0% 12.0% 10.0% 8.0% 6.0% Imported share of total intermediates Imported share of manufacturing intermediates 4.0% 1997 1998 1999 2000 2001 2002 2003 2004 2005 Overview • We define foreign outsourcing as trade in intermediates • Focus on outsourcing at the aggregate level • Estimate contribution to overall economic growth • Utilize new data to perform growth accounting – Unpublished industry-commodity level BEA data on imported intermediates and prices – Outsourcing is a manufacturing phenomenon and is accelerating • Results 1997-2005 – 15 percent of US growth attributed to imported intermediates, and accelerated – 1/3 manufacturing growth from imported intermediates, mostly in durables, and is accelerating – We find link between employment growth and outsourcing growth Data Multiple sources required to perform growth accounting and estimate MFP For industry or aggregate k: • Gross output (Qk), intermediate inputs (Mk) and prices from BEA GDP-by-industry accounts. • Capital stock (Kk) from BEA asset-by-industry net stocks—aggregated to capital services: IT & other • Labor (Lk) based on hours worked and adjusted with CBP Outsourcing Data Imported intermediates and prices from published and unpublished BEA data • Data for 1997 to 2005 at the detailed industry-by-commodity level • Value of imported inputs – Based on detailed input-output tables – Assumes value of imported commodities used by each industry is the same as the ratio of total imports to domestic supply • Prices for imported inputs – Concorded between BLS SITC import price indexes and BEA commodity codes and constructed by BEA We aggregate and concord the detailed industry-by-commodity data (272) and price data to the GDP-by-industry level (65) for industry or aggregate k. The importance of outsourcing • The role of foreign outsourcing has increased over the past several decades – Important in the production process – Important as a driver of increasing trade shares • For each industry we construct a measure of “ownindustry” imported intermediate use. • We find the following stylized facts: – Most imports are in manufacturing: 85% – Intermediate imports large fraction of imports – Own-industry intermediate imports large fraction of imports – Imported share of intermediates is growing – Large amount of heterogeneity The importance of outsourcing…cont • Intermediate imports large fraction of imports – 43 percent for total imports, 38 percent manufacturing – Shares roughly constant over our sample • Own-industry intermediate imports large fraction of imports – 28 percent for total, 41 percent for manufacturing – Trending downward (23% and 33% in 2005) • Imported share of intermediates is growing – 30 percent increase for all intermediates and 40 percent for manufacturing Methodology: Measuring Intermediates Intermediate inputs can be decomposed other own other M k M kown M M M ,F k ,F k ,D k ,D M kown , F X ij ik jk • Xij is element of domestic input-output use table • We calculate M kother ,D as a residual. • The real growth rates of other-domestic inputs are calculated via chain-stripping Mˆ kother from Mˆ k . ,D Measuring Intermediates Total Purchased Inputs (M) for sector/industry k Domestic Intermediates (MD) Own Domestic (MDown) Other Domestic (MDother) Foreign Intermediates (MF) Own Foreign (MFown) Other Foreign (MFother) • Total Intermediates and Prices BEA GDP by industry accounts • Imported Intermediates and prices from BEA imported intermediates data • Assume domestic intermediates price is gross output price • Calculate real growth rates Mˆ kown ˆ own ˆ other ,D , M k ,F , M k ,F • Mˆ kother Is calculated residually ,D Methodology Two approaches: – Sectoral output Sk Sˆk Qˆ k Mˆ kown ,D M M i ,F ˆ other s M i ,D Mˆ other ) MFˆPi Sˆi ( siL Lˆi siK Kˆ i si i ,F Mˆ iown s M ,F i i,F i i,D own other other M M i ,F ˆ own M i ,F k L ˆ K ˆ other ˆ ˆ Sˆk sk k ,D Mˆ kother d M F P s L s K s M s M i ,D i i i i i i i,F i i,F other ik own other • d is a Domar weight and sj is an cost share – Gross output Qk M M MFˆPi Sˆi ( siL Lˆi siK Kˆ i si Mˆ iown s ,F i own i ,F other i ,F M i ,D ˆ other M i ,D ˆ own Mˆ iother s M s M i,D ) ,F i i,D i other own Results—sources of growth Table 4 Sources of growth in sectoral output 1 for U.S. private industry and major industry groups Sectoral Output (1) MFP (2) IT 2 Capital (3) Other 3 Capital (4) Labor (5) Purchased Domestic Purchased Foreign Inputs: Inputs: Other Own (6) (7) (8) A. 1997 to 2005 1. Private industries 6. Manufacturing 7. Durable goods 8. Nondurable goods 9. Services-producing industries 3.4 1.9 2.8 .3 3.5 1.6 1.9 2.9 .5 1.2 .6 .2 .2 .1 .7 .5 .1 .1 .0 .6 .3 -.9 -1.0 -.6 .6 -.1 .1 -.1 .1 .1 .4 .4 .5 .2 .2 .1 .2 .3 .0 .0 C. 2003 to 2005 1. Private industries 3.2 2.4 .3 .2 .2 -.5 .5 .1 D. Difference in Annual Averages, (2003 to 2005) vs. (1997 to 2002) 1. Private industries -.3 1.3 -.5 -.5 -.1 -.7 .2 .0 Results—sources of growth Table 4 Sources of growth in sectoral output 1 for U.S. private industry and major industry groups Sectoral Output (1) MFP (2) IT 2 Capital (3) Other 3 Capital (4) Labor (5) Purchased Domestic Purchased Foreign Inputs: Inputs: Other Own (6) (7) (8) A. 1997 to 2005 1. Private industries 6. Manufacturing 7. Durable goods 8. Nondurable goods 9. Services-producing industries 3.4 1.9 2.8 .3 3.5 1.6 1.9 2.9 .5 1.2 .6 .2 .2 .1 .7 .5 .1 .1 .0 .6 .3 -.9 -1.0 -.6 .6 -.1 .1 -.1 .1 .1 .4 .4 .5 .2 .2 .1 .2 .3 .0 .0 C. 2003 to 2005 1. Private industries 3.2 2.4 .3 .2 .2 -.5 .5 .1 D. Difference in Annual Averages, (2003 to 2005) vs. (1997 to 2002) 1. Private industries -.3 1.3 -.5 -.5 -.1 -.7 .2 .0 • 15 percent of output growth stems from imported intermediates; 30 percent in manufacturing Results—sources of growth Table 4 Sources of growth in sectoral output 1 for U.S. private industry and major industry groups Sectoral Output (1) MFP (2) IT 2 Capital (3) Other 3 Capital (4) Labor (5) Purchased Domestic Purchased Foreign Inputs: Inputs: Other Own (6) (7) (8) A. 1997 to 2005 1. Private industries 6. Manufacturing 7. Durable goods 8. Nondurable goods 9. Services-producing industries 3.4 1.9 2.8 .3 3.5 1.6 1.9 2.9 .5 1.2 .6 .2 .2 .1 .7 .5 .1 .1 .0 .6 .3 -.9 -1.0 -.6 .6 -.1 .1 -.1 .1 .1 .4 .4 .5 .2 .2 .1 .2 .3 .0 .0 C. 2003 to 2005 1. Private industries 3.2 2.4 .3 .2 .2 -.5 .5 .1 D. Difference in Annual Averages, (2003 to 2005) vs. (1997 to 2002) 1. Private industries -.3 1.3 -.5 -.5 -.1 -.7 .2 .0 • 15 percent of the of output growth stems from imported intermediates • The contribution has accelerated Results—sources of growth Table 4 Sources of growth in sectoral output 1 for U.S. private industry and major industry groups Sectoral Output (1) MFP (2) IT 2 Capital (3) Other 3 Capital (4) Labor (5) Purchased Domestic Purchased Foreign Inputs: Inputs: Other Own (6) (7) (8) A. 1997 to 2005 1. Private industries 6. Manufacturing 7. Durable goods 8. Nondurable goods 9. Services-producing industries 3.4 1.9 2.8 .3 3.5 1.6 1.9 2.9 .5 1.2 .6 .2 .2 .1 .7 .5 .1 .1 .0 .6 .3 -.9 -1.0 -.6 .6 -.1 .1 -.1 .1 .1 .4 .4 .5 .2 .2 .1 .2 .3 .0 .0 C. 2003 to 2005 1. Private industries 3.2 2.4 .3 .2 .2 -.5 .5 .1 D. Difference in Annual Averages, (2003 to 2005) vs. (1997 to 2002) 1. Private industries -.3 1.3 -.5 -.5 -.1 -.7 .2 .0 • 15 percent of the of output growth stems from imported intermediates • The contribution has accelerated • Disaggregation of intermediates inputs would miss contribution from foreign intermediates Results—sources of growth in manufacturing Table 6 Sources of growth for U.S. manufacturing industries1 A. 1997 to 2005 Durable goods: 1. Wood products 2. Nonmetallic mineral products 3. Primary metals 4. Fabricated metal products 5. Machinery 6. Computer and electronic products 7. Elect. equip., appliances, & components 8. Motor vehicles, bodies and trailers, & parts 9. Other transportation equipment 10. Furniture and related products 11. Miscellaneous manufacturing Nondurable goods: 12. Food and beverage and tobacco products 13. Textile mills and textile product mills 14. Apparel and leather and allied products 15. Paper products 16. Printing and related support activities 17. Petroleum and coal products 18. Chemical products 19. Plastics and rubber products Gross Output (1) MFP (2) IT Capital2 (3) Other Capital3 (4) Labor (5) Purchased Domestic Inputs Other Own (6) (7) 0.6 1.1 -1.0 -0.5 -0.1 7.7 -1.0 2.0 0.7 2.2 3.3 0.6 0.6 0.9 0.8 0.7 7.9 1.2 0.5 0.5 1.2 2.6 0.0 0.1 0.0 0.1 0.3 0.1 0.0 0.1 0.2 0.1 0.1 0.0 0.2 -0.1 0.1 0.2 0.1 -0.1 0.1 0.1 0.2 0.0 -0.2 -0.3 -0.9 -0.6 -1.0 -1.2 -1.1 -0.4 -1.2 -0.5 -0.8 0.4 0.4 -0.8 -0.6 -0.7 -0.3 -1.0 0.5 0.7 0.8 0.8 0.7 -3.4 -9.7 -1.4 -2.1 -0.2 0.4 0.8 0.0 1.5 1.3 0.4 0.6 -0.3 0.8 0.7 0.1 0.0 0.0 0.0 0.2 0.1 0.2 0.1 -0.1 -0.2 -0.1 -0.2 0.1 -0.1 0.1 0.2 -0.1 -1.8 -3.2 -0.8 -1.0 -0.1 -0.2 -0.5 0.8 -1.5 -6.5 -0.5 -1.5 -0.4 -0.4 0.0 Purchased Foreign Inputs Other (8) Own (9) -0.4 0.0 -0.5 -0.3 -0.1 0.5 -0.3 0.2 -0.6 0.0 0.1 0.2 0.2 0.2 0.2 0.4 0.3 0.2 0.7 0.8 0.4 0.4 0.0 0.1 0.2 0.0 0.1 0.2 0.1 0.4 0.1 0.0 0.1 -0.1 -1.4 -0.7 -0.5 -0.4 -0.3 -0.3 0.0 0.1 0.0 -0.4 0.1 0.0 0.4 0.2 0.4 0.0 -0.1 -0.1 0.0 0.0 0.4 0.1 0.0 Results—sources of growth in manufacturing Table 6 Sources of growth for U.S. manufacturing industries1 A. 1997 to 2005 Durable goods: 1. Wood products 2. Nonmetallic mineral products 3. Primary metals 4. Fabricated metal products 5. Machinery 6. Computer and electronic products 7. Elect. equip., appliances, & components 8. Motor vehicles, bodies and trailers, & parts 9. Other transportation equipment 10. Furniture and related products 11. Miscellaneous manufacturing Nondurable goods: 12. Food and beverage and tobacco products 13. Textile mills and textile product mills 14. Apparel and leather and allied products 15. Paper products 16. Printing and related support activities 17. Petroleum and coal products 18. Chemical products 19. Plastics and rubber products Gross Output (1) MFP (2) IT Capital2 (3) Other Capital3 (4) Labor (5) Purchased Domestic Inputs Other Own (6) (7) 0.6 1.1 -1.0 -0.5 -0.1 7.7 -1.0 2.0 0.7 2.2 3.3 0.6 0.6 0.9 0.8 0.7 7.9 1.2 0.5 0.5 1.2 2.6 0.0 0.1 0.0 0.1 0.3 0.1 0.0 0.1 0.2 0.1 0.1 0.0 0.2 -0.1 0.1 0.2 0.1 -0.1 0.1 0.1 0.2 0.0 -0.2 -0.3 -0.9 -0.6 -1.0 -1.2 -1.1 -0.4 -1.2 -0.5 -0.8 0.4 0.4 -0.8 -0.6 -0.7 -0.3 -1.0 0.5 0.7 0.8 0.8 0.7 -3.4 -9.7 -1.4 -2.1 -0.2 0.4 0.8 0.0 1.5 1.3 0.4 0.6 -0.3 0.8 0.7 0.1 0.0 0.0 0.0 0.2 0.1 0.2 0.1 -0.1 -0.2 -0.1 -0.2 0.1 -0.1 0.1 0.2 -0.1 -1.8 -3.2 -0.8 -1.0 -0.1 -0.2 -0.5 0.8 -1.5 -6.5 -0.5 -1.5 -0.4 -0.4 0.0 Purchased Foreign Inputs Other (8) Own (9) -0.4 0.0 -0.5 -0.3 -0.1 0.5 -0.3 0.2 -0.6 0.0 0.1 0.2 0.2 0.2 0.2 0.4 0.3 0.2 0.7 0.8 0.4 0.4 0.0 0.1 0.2 0.0 0.1 0.2 0.1 0.4 0.1 0.0 0.1 -0.1 -1.4 -0.7 -0.5 -0.4 -0.3 -0.3 0.0 0.1 0.0 -0.4 0.1 0.0 0.4 0.2 0.4 0.0 -0.1 -0.1 0.0 0.0 0.4 0.1 0.0 •Contribution of domestic intermediates mostly negative; imported intermediates mostly positive Results—sources of growth in manufacturing Table 6 Sources of growth for U.S. manufacturing industries1 A. 1997 to 2005 Durable goods: 1. Wood products 2. Nonmetallic mineral products 3. Primary metals 4. Fabricated metal products 5. Machinery 6. Computer and electronic products 7. Elect. equip., appliances, & components 8. Motor vehicles, bodies and trailers, & parts 9. Other transportation equipment 10. Furniture and related products 11. Miscellaneous manufacturing Nondurable goods: 12. Food and beverage and tobacco products 13. Textile mills and textile product mills 14. Apparel and leather and allied products 15. Paper products 16. Printing and related support activities 17. Petroleum and coal products 18. Chemical products 19. Plastics and rubber products Gross Output (1) MFP (2) IT Capital2 (3) Other Capital3 (4) Labor (5) Purchased Domestic Inputs Other Own (6) (7) 0.6 1.1 -1.0 -0.5 -0.1 7.7 -1.0 2.0 0.7 2.2 3.3 0.6 0.6 0.9 0.8 0.7 7.9 1.2 0.5 0.5 1.2 2.6 0.0 0.1 0.0 0.1 0.3 0.1 0.0 0.1 0.2 0.1 0.1 0.0 0.2 -0.1 0.1 0.2 0.1 -0.1 0.1 0.1 0.2 0.0 -0.2 -0.3 -0.9 -0.6 -1.0 -1.2 -1.1 -0.4 -1.2 -0.5 -0.8 0.4 0.4 -0.8 -0.6 -0.7 -0.3 -1.0 0.5 0.7 0.8 0.8 0.7 -3.4 -9.7 -1.4 -2.1 -0.2 0.4 0.8 0.0 1.5 1.3 0.4 0.6 -0.3 0.8 0.7 0.1 0.0 0.0 0.0 0.2 0.1 0.2 0.1 -0.1 -0.2 -0.1 -0.2 0.1 -0.1 0.1 0.2 -0.1 -1.8 -3.2 -0.8 -1.0 -0.1 -0.2 -0.5 0.8 -1.5 -6.5 -0.5 -1.5 -0.4 -0.4 0.0 Purchased Foreign Inputs Other (8) Own (9) -0.4 0.0 -0.5 -0.3 -0.1 0.5 -0.3 0.2 -0.6 0.0 0.1 0.2 0.2 0.2 0.2 0.4 0.3 0.2 0.7 0.8 0.4 0.4 0.0 0.1 0.2 0.0 0.1 0.2 0.1 0.4 0.1 0.0 0.1 -0.1 -1.4 -0.7 -0.5 -0.4 -0.3 -0.3 0.0 0.1 0.0 -0.4 0.1 0.0 0.4 0.2 0.4 0.0 -0.1 -0.1 0.0 0.0 0.4 0.1 0.0 ● Contribution of domestic intermediates mostly negative; imported intermediates mostly positive ● Within durables, domestic and foreign intermediates both contribute Results—sources of growth in manufacturing Table 6 Sources of growth for U.S. manufacturing industries1 Gross IT Other Purchased Domestic Inputs Output MFP Capital2 Capital3 Labor Other Own (1) (2) (3) (4) (5) (6) (7) B. Difference in Annual Averages, (2003 to 2005) vs. (1997 to 2002) Durable goods: 1. Wood products 0.5 2. Nonmetallic mineral products 1.4 3. Primary metals 3.1 4. Fabricated metal products -0.4 5. Machinery 6.1 6. Computer and electronic products -0.4 7. Electrical equipment, appliances, and components1.6 8. Motor vehicles, bodies and trailers, and parts -1.6 9. Other transportation equipment 2.1 10. Furniture and related products 0.5 11. Miscellaneous manufacturing -1.1 Nondurable goods: 12. Food and beverage and tobacco products 0.1 13. Textile mills and textile product mills -1.7 14. Apparel and leather and allied products 1.3 15. Paper products -0.7 16. Printing and related support activities -1.4 17. Petroleum and coal products -3.1 18. Chemical products -0.8 19. Plastics and rubber products -0.7 Purchased Foreign Inputs Other (8) Own (9) 0.6 0.9 0.0 2.4 2.7 -1.1 -0.1 -1.0 -0.2 3.3 2.2 0.0 -0.2 -0.1 -0.1 -0.4 -0.5 -0.1 -0.1 -0.3 -0.1 -0.1 -0.1 -0.3 -0.1 -0.2 -0.3 -0.3 -0.3 -0.2 -0.2 -0.3 -0.1 0.3 0.1 0.6 0.8 0.8 -0.2 -0.4 0.0 -0.7 -0.2 0.7 0.3 0.4 -0.1 -2.5 2.4 0.2 1.5 -0.8 2.5 -2.0 -2.7 -0.3 0.2 1.1 -0.8 0.1 -0.1 0.2 -0.4 0.1 -0.2 -0.5 0.1 0.3 1.0 0.0 0.8 0.9 0.6 0.5 0.9 -0.1 -0.3 -0.2 0.1 0.7 0.0 0.2 0.7 0.1 0.2 0.0 0.0 -0.2 0.4 3.1 1.0 3.3 2.4 -0.1 0.4 1.0 -0.1 -0.1 -0.1 -0.1 -0.2 0.0 -0.3 -0.1 -0.1 -0.2 -0.2 -0.1 -0.2 0.1 -0.2 -0.4 -0.2 -0.1 -1.3 -0.3 -0.3 0.0 -0.2 0.0 -0.4 -3.1 1.5 -3.3 -2.5 -0.3 -1.6 -1.4 0.5 -1.3 0.4 -0.5 -0.5 -0.9 0.5 -0.2 0.1 0.1 0.0 0.2 -0.1 -1.3 0.4 0.4 -0.1 -0.2 0.1 0.1 0.0 -0.7 0.2 0.0 ● Contribution of domestic intermediates mostly negative; imported intermediates mostly positive ● Within durables, domestic and foreign intermediates both contribute ● Acceleration in output growth highly correlated with acceleration in imported intermediates Results—sources of growth in manufacturing Table 6 Sources of growth for U.S. manufacturing industries1 Gross IT Other Purchased Domestic Inputs Output MFP Capital2 Capital3 Labor Other Own (1) (2) (3) (4) (5) (6) (7) B. Difference in Annual Averages, (2003 to 2005) vs. (1997 to 2002) Durable goods: 1. Wood products 0.5 2. Nonmetallic mineral products 1.4 3. Primary metals 3.1 4. Fabricated metal products -0.4 5. Machinery 6.1 6. Computer and electronic products -0.4 7. Electrical equipment, appliances, and components1.6 8. Motor vehicles, bodies and trailers, and parts -1.6 9. Other transportation equipment 2.1 10. Furniture and related products 0.5 11. Miscellaneous manufacturing -1.1 Nondurable goods: 12. Food and beverage and tobacco products 0.1 13. Textile mills and textile product mills -1.7 14. Apparel and leather and allied products 1.3 15. Paper products -0.7 16. Printing and related support activities -1.4 17. Petroleum and coal products -3.1 18. Chemical products -0.8 19. Plastics and rubber products -0.7 Purchased Foreign Inputs Other (8) Own (9) 0.6 0.9 0.0 2.4 2.7 -1.1 -0.1 -1.0 -0.2 3.3 2.2 0.0 -0.2 -0.1 -0.1 -0.4 -0.5 -0.1 -0.1 -0.3 -0.1 -0.1 -0.1 -0.3 -0.1 -0.2 -0.3 -0.3 -0.3 -0.2 -0.2 -0.3 -0.1 0.3 0.1 0.6 0.8 0.8 -0.2 -0.4 0.0 -0.7 -0.2 0.7 0.3 0.4 -0.1 -2.5 2.4 0.2 1.5 -0.8 2.5 -2.0 -2.7 -0.3 0.2 1.1 -0.8 0.1 -0.1 0.2 -0.4 0.1 -0.2 -0.5 0.1 0.3 1.0 0.0 0.8 0.9 0.6 0.5 0.9 -0.1 -0.3 -0.2 0.1 0.7 0.0 0.2 0.7 0.1 0.2 0.0 0.0 -0.2 0.4 3.1 1.0 3.3 2.4 -0.1 0.4 1.0 -0.1 -0.1 -0.1 -0.1 -0.2 0.0 -0.3 -0.1 -0.1 -0.2 -0.2 -0.1 -0.2 0.1 -0.2 -0.4 -0.2 -0.1 -1.3 -0.3 -0.3 0.0 -0.2 0.0 -0.4 -3.1 1.5 -3.3 -2.5 -0.3 -1.6 -1.4 0.5 -1.3 0.4 -0.5 -0.5 -0.9 0.5 -0.2 0.1 0.1 0.0 0.2 -0.1 -1.3 0.4 0.4 -0.1 -0.2 0.1 0.1 0.0 -0.7 0.2 0.0 ●Output growth remained elevated for computers due to contribution from pickup in imported intermediates Outsourcing, Productivity, and Employment • Test basic relationship between foreign outsourcing & – productivity growth – employment growth Yˆit Outsourcingit X it it • Outsourcingit is a measure of foreign outsourcing – Growth in real outsourcing (own or other) – Change in share of outsourcing (own or other) • We find little significance in the relationship between outsourcing growth and productivity growth • There is a significant relationship between outsourcing and employment growth Conclusion • Results 1997-2005 – 15 percent of US growth attributed to imported intermediates, and accelerated – 1/3 manufacturing growth from imported intermediates, mostly in durables, and is accelerating – We find link between employment growth and outsourcing growth