Some implications of using prices to measure productivity in a two-sector growth model
We construct a 2 sector growth model with sector specific technology shocks where one sector produces intermediate goods while the other produces final goods. Theoretical restrictions from this model are used to compute the time series for sector-specific TFPs based solely on factor prices and the relative price of intermediate goods to final goods over the 1959-2000 period. An aggregate TFP measure based on these series appears quite similar to the multifactor productivity measure constructed by the BLS. We find statistical evidence of structural breaks in the growth rate of our productivity measures in 1973 and 1995. The first of these breaks appears to be due to an economy-wide productivity slowdown, while the second is attributed to a sharp pickup in the growth rate of productivity in the intermediate goods sector. Using only these TFP measures, the model's predictions of output growth rates in the two sectors over the intervals defined by the estimated break dates compare favorably with the actual data on consumer nondurables and services (final goods) and consumer and producer durables (intermediate goods).
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- Perron, P. & Bai, J., 1995.
"Estimating and Testing Linear Models with Multiple Structural Changes,"
Cahiers de recherche
9552, Universite de Montreal, Departement de sciences economiques.
- Jushan Bai & Pierre Perron, 1998. "Estimating and Testing Linear Models with Multiple Structural Changes," Econometrica, Econometric Society, vol. 66(1), pages 47-78, January.
- Perron, P. & Bai, J., 1995. "Estimating and Testing Linear Models with Multiple Structural Changes," Cahiers de recherche 9552, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
- Dale W. Jorgenson, 2001. "Information Technology and the U.S. Economy," American Economic Review, American Economic Association, vol. 91(1), pages 1-32, March.
- Chang-Tai Hsieh, 2002. "What Explains the Industrial Revolution in East Asia? Evidence From the Factor Markets," American Economic Review, American Economic Association, vol. 92(3), pages 502-526, June.
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