Technology spillovers between sectors and over time

Article Abstract:

A new method for measuring spillovers between manufacturing sectors was proposed based on patent citations. The main advantage of this method is that it can show how spillovers change over time and indicates the amount of spillovers. The results showed that the concentration of research and development (R&D) spillovers at larger spillover lags received declines gradually, but at short lags, spillovers were more concentrated than direct R&D. In addition, the time dimension of R&D spillovers should not be disregarded.

All Other Miscellaneous Manufacturing, Manufacturing industries, not elsewhere classified, Manufacturing Industries NEC, Manufacturing industry, Manufacturing industries, International aspects, Industrial research

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The diffusion of successive generations of a technology: a more general model

Article Abstract:

Numerous fields of technological development are characterized by distinct generations of technology where the new generation is more efficient than its predecessor. A study investigated two models of the diffusion of successive generations of technology to question their assumptions of constancy. It found empirical evidence of non-constancy in several areas of technology that have ramifications within the context of forecasting and planning.

Models, Usage, Technological forecasting, Mathematical models, Technological innovations

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