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Indicators for measuring the distance or relatedness between distinct sets of technological knowledge categories are of interest in a number of disciplines; for example, management studies, economics, and regional science. The strength of the relationships between unique sets of technological expertise can inform us about the level of specialization and coherence amongst firms, regions, and/or countries. This in turn has been linked to the level of productivity of these units, and can also serve as an indicator for potential diversification and innovation opportunities as well as limitations. One of the objectives of the present contribution is to show how sensitive the maps and overlays are to choices of parameters.

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This page is a summary of: Mapping patent classifications: portfolio and statistical analysis, and the comparison of strengths and weaknesses, Scientometrics, July 2017, Springer Science + Business Media,
DOI: 10.1007/s11192-017-2449-0.
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