1. An International Comparison of Production Functions: The Coal-Fired Electricity Generating Industry.
- Author
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Hart, P. E. and Chawla, R. K.
- Subjects
COAL-fired power plants ,INDUSTRIAL productivity ,CAPITAL productivity ,PRODUCTION (Economic theory) ,PRODUCTION functions (Economic theory) - Abstract
This article compares the efficiency of the coal-fired steam-generated electricity in Great Britain, the U.S. and France in 1970. The authors selected this industry for close examination because it had experienced rapid technological progress, its output is homogeneous and the data available are comparatively good. They found that the average level and rate of growth of fuel productivity in Great Britain industry were less than in France and in the U.S. The authors were careful to state, however, that technological backwardness was not the only interpretation of this result. They were aware that partial productivity measures could be very misleading because the contribution of other inputs, particularly capital, is ignored. Furthermore, this paper shows that the percentage increase in output in Great Britain from 1949-63 was higher than that in France and in the U.S., while the percentage increase in capital, measured by generating capacity, was much lower than in France or the US. This difference could be interpreted as implying that the productivity of capital in Great Britain industry was rising relatively to that in France and in the U.S. and thus that the industry in Great Britain was technologically forward. However, there are other interpretations, because capital productivity is also a partial measure of productivity. Thus, this paper suggests that there is a need a measure of productivity which reflects the simultaneous influence of all inputs and output and a production function provides such a measure. This article also estimates production functions for this industry.
- Published
- 1970
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