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Estimating Capital Efficiency Schedules within Production Functions

  • Doms, Mark E

The author estimates capital efficiency schedules within a production function, allowing the data to reveal how the efficiency of capital goods evolves as they age. A parameterized investment stream is used as a capital variable in a production function and the parameters of the production function are estimated simultaneously with the parameters of the investment stream. Plant-level panel data for steel plants employing a common technology are used to estimate the model. The author finds that the estimated efficiency schedules appear to follow a geometric pattern, which is consistent with the estimates of economic depreciation of C. Hulten and F. Wykoff (1981). Copyright 1996 by Oxford University Press.

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Article provided by Western Economic Association International in its journal Economic Inquiry.

Volume (Year): 34 (1996)
Issue (Month): 1 (January)
Pages: 78-92

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Handle: RePEc:oup:ecinqu:v:34:y:1996:i:1:p:78-92
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  1. W. Erwin Diewert, 1980. "Aggregation Problems in the Measurement of Capital," NBER Chapters, in: The Measurement of Capital, pages 433-538 National Bureau of Economic Research, Inc.
  2. J. Bradford De Long & Lawrence H. Summers, . "Equipment Investment and Economic Growth," J. Bradford De Long's Working Papers _122, University of California at Berkeley, Economics Department.
  3. Pakes, Ariel & Griliches, Zvi, 1984. "Estimating Distributed Lags in Short Panels with an Application to the Specification of Depreciation Patterns and Capital Stock Constructs," Review of Economic Studies, Wiley Blackwell, vol. 51(2), pages 243-62, April.
  4. Prucha, Ingmar R. & Nadiri, M. Ishaq, 1991. "Endogenous Capital Utilization and Productivity Measurement in Dynamic Factor Demand Models: Theory and an Application to the U.S. Electrical Machinery Industry," Working Papers 91-04, C.V. Starr Center for Applied Economics, New York University.
  5. Epstein, L. & Denny, M., 1980. "Endogenous capital utilization in a short-run production model : Theory and an empiral application," Journal of Econometrics, Elsevier, vol. 12(2), pages 189-207, February.
  6. Kim, Moshe, 1988. "The Structure of Technology with Endogenous Capital Utilization," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 29(1), pages 111-30, February.
  7. Kydland, Finn E & Prescott, Edward C, 1982. "Time to Build and Aggregate Fluctuations," Econometrica, Econometric Society, vol. 50(6), pages 1345-70, November.
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