Capital Stock and Productivity in French Transport : An International Comparison
Bernard Chane Kune
The efficiency of service providers is often approximated by labour productivity. This partial measure is considered as a proxy of overall efficiency as many services use relatively little capital. However, in many services such as transport, capital is a major production factor. To judge the overall efficiency of these services, labour productivity measures should therefore be complemented by measures of capital and total factor productivity (TFP). For France, to date capital productivity and TFP could not be estimated for individual branches of transport as no capital input estimates were available at this level. This paper aims to fill this gap by providing new detailed estimates of capital input in French transport from 1970 onwards. These data are used in combination with series on output and labour input to estimate productivity. Finally, the French performance is compared with that of Germany, the United Kingdom and the United States. In contrast to many other studies on productivity, the contribution of capital to production is not measured by the value of the stock of assets but by the volume of services rendered by this stock (as employed in Jorgenson et al., 1987).
Transport; Capital Stock; Total factor productivity; France; International comparisons
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