long-term estimates of u.s. productivity and growth
DESCRIPTION
by Dale W. Jorgenson, Mun S. Ho, and Jon D. Samuels ** Harvard University, and ** BEA. Long-term Estimates of U.S. Productivity and Growth. World KLEMS Conference 2014 Tokyo, Japan May 19-20 , 2014. - PowerPoint PPT PresentationTRANSCRIPT
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Long-term Estimates of U.S. Productivity and Growth
byDale W. Jorgenson, Mun S. Ho, and Jon D. Samuels**
Harvard University, and ** BEA
The views expressed in this paper are solely those of the authors and are not necessarily those of the Bureau of Economic Analysis of the U.S. Department of Commerce .
World KLEMS Conference 2014
Tokyo, JapanMay 19-20, 2014
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Agenda
- 63-year Economic History,1947-2010 The Sources of Growth- Divide into 3 sub-periods:
- 1947-73 Post-war Recovery- 1973-95 The Long Slump- 1995-2010 Information Age and Recession
- Transformation of capital input; IT capital and TFP- Educational attainment of workers; evolution of wage
premium- Effect of 2007 Financial Crisis
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Pillai (SCB 2011) Tech. Progress in Microprocessor Indus.
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THE ROLE OF INNOVATION
Total Factor Productivity IT-Producing, IT-Using and Non-IT Industries
Reallocation of Factor InputsCapital Input and Labor Input
Aggregate Productivity GrowthIndustry Productivity and Factor Reallocations
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Contributions of Individual Industries to Productivity
Growth, 1947-2010
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SOURCES OF U.S. ECONOMIC GROWTH
Contribution of Capital Input IT and Non-IT Capital
Contribution of Labor Input
College educated and Non-college
Contribution of ProductivityReplication vs. Innovation
, ,
ln ln ln
ln ln
IT nont KIT t non t
college noncolL Col t L nC t Tt
V v K v K
v L v L v
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The Evolution of Labor Input. More Information Technology and
more Educated workers
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- Historically, input growth in the major source of growth, in the New Economy TFP contribution has jumped.
- Unusual high TFP growth during the Jobless Recovery period of low investment and growth
- Effect of Financial Crisis.* IT-Production productivity relatively unchanged.* Big fall in productivity of non-IT group leading to negative aggregate TFP.
SUMMARY
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Extra slides
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Highlighting the role of Information Technology
Divide industries into 3 groups:1) IT producing2) IT-intensive using3) non-IT intensive using
, ,
, ,
ITjT IT j T
jjT IT j T
K AIII
K A
IT-intensity index is the ratio of IT capital input plus IT intermediates to total capital input plus IT intermediates:
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Classification of Industries (IT Intensity 2005)
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Growth of Value Added and Productivity
ln ln ln lnt jt jt jt jt jt jtj ITprod j ITusing j nonIT
V w V w V w V
Following graphs show contribution by the 3 industry groups to the growth of aggregate value added (GDP from PPF):
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Classification of Industries (IT Intensity 2005)
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Classification of Industries (IT Intensity 2005)
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Industry Contributions to Value Added Growth; 1947-
2010
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Total Factor Productivity For industry j and IT-groups:
Aggregate Productivity GrowthDomar-weighted Industry Productivity and Factor
Reallocations
ln ln ln lntj jt Kj jt Lj jt Xj jtv Y v K v L v X
ROLE OF TOTAL FACTOR PRODUCTIVITY
,
(.) (.) (.) ...
jTt tj K L
j V j
j ITprod j ITusing j nonIT
wv v REALL REALL
v
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Industry Contributions to Aggregate TFP
Growth, 1947-2010
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PROJECTING PRODUCTIVITY AND ECONOMIC GROWTH
Contribution of Industry Groups to Productivity Growth
Range of Labor ProductivityGrowth Projections
Range of Potential Output Projections
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