The estimation of technical change in panel data models is considered using two competing models: the time trend model and the general index model. The authors' measure of technical change in both models is based on the input requirement function. Technical change is further decomposed into pure...

The authors apply Leif Johansen's (1972) dynamic production function framework to the development of the Finnish brewery industry over a thirty-year time span, 1955 to 1984, based on micro data (plants). The relationship between the micro-frontier and short-run industry production functions is...

This paper examines productivity growth in electricity retail distribution in Sweden in a multiple output-multiple input framework. The approach used is nonparametric data envelopment analysis. Productivity is measured by means of the Malmquist index. Productivity comparisons are made between...