haku: @author Baltagi, B. H. / yhteensä: 5
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| Tekijä: | Baltagi, B. H. Griffin, J. M. |
| Otsikko: | A general index of technical change. |
| Lehti: | Journal of Political Economy
1988 : FEB, VOL. 96:1, p. 20-41 |
| Asiasana: | TECHNOLOGICAL CHANGE |
| Kieli: | eng |
| Tiivistelmä: | A procedure is outlined for estimating a general index of technical change /TC/ within the context of a quite general production technology. Specifically, when panel data are available for firms in an industry, time-specific dummies can be combined in a nonlinear estimation procedure to yield a general index of TC that may be both non-neutral and scale augmenting. This approach offers numerous advantages over the traditional time trend representation of TC. For example, the general index can serve as the basis for analysis of the determinants of TC. Results for a sample of 30 electric utilities over the period 1951-78 show that the productivity decline of the 1970s can be attributed primarily to sulphur oxide restrictions and declining capacity utilization. |
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