Historical evolution of technological diversification

John Cantwell; Giovanna Vertova

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Historical evolution of technological diversification

机译：技术多元化的历史演进

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A positive relationship exists between national technological size and technological diversification across fields of innovative activity. This paper shows how the nature of this relationship has changed historically. There has been a downward structural shift in the cross-country size-diversification frontier since 1965–for any given size countries have become less diversified or more narrowly concentrated in their technological specialisation. One explanation is that international technology sourcing by MNEs has led locations to focus on what they do best. A supporting factor may be a rise in technological interrelatedness, which encourages focus upon a specific selection of complementary combinations.

机译：在创新活动的各个领域，国家技术规模与技术多样化之间存在正向关系。本文显示了这种关系的性质在历史上是如何变化的。自1965年以来，跨国公司在规模多元化领域的结构发生了向下的变化，因为任何规模的国家在技术专长方面的多元化程度都下降了，或者集中度越来越低。一种解释是，跨国公司的国际技术采购已使各地区集中精力于自己最擅长的领域。一个支持因素可能是技术上相互关联性的提高，这鼓励人们专注于互补组合的特定选择。

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来源
《Research policy》 |2004年第3期|p. 511-529|共19页
作者
John Cantwell; Giovanna Vertova;
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作者单位

Department of Economics, University of Reading, Reading, UK;

Department of Economics, University of Bergamo, Via dei Caniana 2, I-24127, Bergamo, Italy;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类科学、科学研究;
关键词
national innovation systems; technological diversification; patent statistics; internationalisation of technology;

机译：国家创新体系;技术多元化;专利统计;技术国际化;

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Historical evolution of technological diversification

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