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The Role of Information-Communications-Technology-Producing Industries in Washington State Productivity Growth Alexander

The Role of Information-Communications-Technology-Producing Industries in Washington State Productivity Growth Alexander Roubinchtein Washington State Employment Security Department Labor Market and Economic Analysis Economic Analyst. The Main Idea:.

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The Role of Information-Communications-Technology-Producing Industries in Washington State Productivity Growth Alexander

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  1. The Role of Information-Communications-Technology-Producing Industries in Washington State Productivity Growth Alexander Roubinchtein Washington State Employment Security Department Labor Market and Economic Analysis Economic Analyst

  2. The Main Idea: from Dale Jorgensen’s (Samuel Morris University Professor, Harvard University) presentation “Industry Origin of the U.S. Productivity Resurgence” at the Conference on “Regional Determinants of Productivity Growth” (October 5th, 2007) conducted by University of Washington’s Economic Policy Research.

  3. Limitations: • State level data are more limited than data available at the national level • Time frame of available NAICS data were limited (1997 to 2005). • Industry grouping was defined by available details for GDP accounts.

  4. Industry Grouping All industries are grouped into 3 categories: • Information-communications-technology-producing (ICT) • ICT-using • Non-ICT

  5. Information-communications-technology-producing (ICT) industries were defined according to BEA classification. The group includes four industries: • computer and electronic product manufacturing, • publishing industries (includes software), • information and data processing services within information; and • computer systems design and related services within professional, scientific, and technical services.

  6. Two other industry groups were identified based on their estimated technological dependence from ICT industries. • We used total purchases per dollar of final output to identify dependency. • To estimate the purchases we used adjusted national aggregated input-output tables for the years 1998 to 2005. • Adjustment of national tables to the state inter-industry flow tables was based on methodology used by BEA.

  7. Productivity Definitions • Generally, productivity is defined as the amount of output per unit of input. • Following terminology from Seppo Saari’s article we will be measuring partial single factor productivity - labor productivity. • “Sometimes it is practical to employ the value added as output. Productivity measured in this way is called Value-added productivity”. - Seppo Saari. • Productivity = real GDP/Number of Jobs

  8. The main results for 61 detailed industries • Productivity and employment changes tend to have an inverse relationship at the detailed industry level for both the State and the Nation (negative correlation has rejection level less than 0.01 percent) • Larger total current expenses on ICT purchases per dollar of final output is generally associated with higher productivity growth at the detailed industry level for both the State and the Nation, but are not necessarily associated with a drop in employment.

  9. Impact of Price Changes • The ratio of the largest price index (Support activities for mining) to the smallest (Computer and electronic products) is about 28 times. • Changes in prices have a significant impact on all estimations of GDP and consequently productivity; the industry with the largest productivity growth, computer and electronic products, had the largest price drop. • The booming construction industry (in terms of employment) had declining productivity and significant growth in prices. • Generally, price increases are associated with lower productivity growth, but the association between price growth and employment changes is less obvious.

  10. Relative Contributions to GDP Growth • Contributions to GDP changes were calculated based on the Fisher index, which represents a geometrical average between the Laspeyres index in base prices and Paasche index in current prices. • Industry totals are additive to the Fisher volume index, but not to GDP growth in chain dollars.

  11. Formulas • The Fisher volume index • The Fisher index carries the property of factorization, that is, the Fisher price index multiplied by the Fisher volume index is equal to the value index:

  12. The contribution to percentage change formula Where: FVt is the Fisher volume index for the period t and the reference period t-1;Ct is the current dollar series for the period t;pt and pt-1 are the prices for the period t and t-1 respectively.

  13. Contribution to Productivity Growth • GDP growth index = productivity growth * employment growth. • Contribution to productivity growth = contribution to GDP growth / contribution to employment growth. Where: contributions to GDP growth based on the Fisher volume index; contributions to employment growth = industry employment growth / total employment in the base year.

  14. Controversy of contributions contributions and productivity vary significantly depending on levels and approach used to aggregation. They could create some confusion. For example, detailed industry Publishing industries (includes software) has slight drop in productivity, but one of the largest contributors to GDP and productivity growth (ranked number 6 in both cases). The main reason -large absolute GDP increase in the industry.

  15. Controversy of contributions(hypothetical example)

  16. Annual Average Productivity Growth (aggregated analyses)

  17. Fisher price index(aggregated analyses)

  18. Shares of Contribution to Productivity Growth (aggregated analyses)

  19. Across the States

  20. "Productivity vs. Employment Growth: A Zero-Sum Game?" discussion dated by December 11, 2007 could be found on WEB under Economist’s View http://economistsview.typepad.com/economistsview/2007/12/productivity-vs.html In Washington ICT industries had the largest productivity and employment growth among three groups

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