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首页> 外文期刊>International Journal of Technology Management: The Journal of the Technology Management of Technology, Engineering Management, Technology Policy and Strategy >TECHNOLOGY MAPPING AND THE EVALUATION OF TECHNICAL CHANGE
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TECHNOLOGY MAPPING AND THE EVALUATION OF TECHNICAL CHANGE

机译：技术映射和技术变化评估

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摘要

In this paper a model of technological evolution based on a twin characteristics representation and on a population approach has been used to discuss the possibility of obtaining a single measure of technical change which could be used for all possible types of evaluation. Possible changes for a technological population include changes in position, changes in density, corresponding to a change in the intensity and type of competition; changes in the shape of the technological population corresponding to the formation of particular trajectories, or to the fragmentation of an existing population following from a process of specialization. In view of these evolutionary trends it is considered impossible to obtain a unique measure of technological change which is useful for all types of evaluation. The heterogeneity/dispersion of the technological population and the presence of qualitative change limit the accuracy and the meaning of measurements of technical change. This means that only in particular circumstances (e.g. long periods of observation and populations of unchanging shape, or developments along a particular trajectory) would such measurements be reasonably accurate and meaningful. [References: 27]
机译：在本文中，已使用基于双特征表示法和总体方法的技术演进模型来讨论获得可用于所有可能类型评估的技术变革单一度量的可能性。技术人群的可能变化包括位置的变化，密度的变化（对应于竞争强度和类型的变化）;技术人口形状的变化，对应于特定轨迹的形成，或者对应于专业化过程之后现有人口的分裂。考虑到这些演变趋势，认为不可能获得对所有类型的评估都有用的独特的技术变化度量。技术群体的异质性/分散性以及质变的存在限制了技术变化的准确性和度量的意义。这意味着仅在特定情况下（例如长时间观察和形状不变的种群或沿特定轨迹的发展），此类测量才是合理准确和有意义的。 [参考：27]

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