Measurement of depreciation rate of technological knowledge: Technology cycle time approach

Abstract

In this paper, a new method is proposed for estimating the depreciation rate of technological knowledge based on the analysis of technology cycle time (TCT). Patent citation data are used in an empirical analysis. The following features characterize the proposed TCT-based method: i) Estimation of the depreciation rate is measured by using the entire set of… (More)

Topics

5 Figures and Tables

Cite this paper

@inproceedings{Park2009MeasurementOD, title={Measurement of depreciation rate of technological knowledge: Technology cycle time approach}, author={Gwangman Park and Juneseuk Shin and Yongtae Park}, year={2009} }