Estimation of firm-specific technological bias, technical change and total factor productivity growth: a dual approach |
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| Authors: | Subal C Kumbhakar Shinichiro Nakamura Almas Heshmati |
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| Institution: |
a Department of Economics, University of Texas at Austin, Austin, Texas, USA
b School of Political Science and Economics, Tokyo, JAPAN
c Department of Economic Statistics, Stockholm School of Economics, Stockholm, SWEDEN |
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| Abstract: | This paper deals with modeling firm-specific technical change (TC), and technological biases (inputs and scale) in estimating total factor productivity (TFP) growth. Several dual parametric econometric models are used for this purpose. We examine robustness of TFP growth and TC among competing models. These models include the traditional time trend (TT) model and the general index (GI) model. The TT and the GI models are generalized to accommodate firm-specific TC and technological bias (in inputs and output). Both nested and non-nested tests are used to select the appropriate models. Firm-level panel data from the Japanese chemical industry during 1968- 1987 is used as an application. |
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| Keywords: | returns to scale time trend general index cost function |
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