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Title: Inventions shaping technological trajectories; do existing indicators provide a comprehensive picture: The case of biotechnology
Authors: Arts, Sam # ×
Appio, F. #
Van Looy, Bart #
Issue Date: 2013
Publisher: Springer & Akadémiai Kiadó
Series Title: Scientometrics vol:97 issue:2 pages:397-419
Abstract: Since Schumpeter’s (The theory of economic development, 1934) seminal work on economic development, innovation is considered as one of the main drivers of firm performance and economic growth. At the same time, technological innovations vary considerably in terms of impact with only a minority of new inventions contributing significantly to technological progress and economic growth. More recently a number of indicators derived from patent documents have been advanced to capture the nature and impact of technological inventions. In this paper, we compare and validate these indicators within the field of biotechnology. An extensive analysis of the recent history of biotechnology allows us to identify the most important inventions (n = 214) that shaped the field of biotechnology in the time period 1976–2001. A considerable number of these
inventions have been patented between 1976 and 2001 (n = 117, 55 %). For all USPTO biotech patents filed between 1976 and 2001 (n = 84,119), relevant indicators have been
calculated. In a subsequent step, we assess which indicators allow us to distinguish between the most important patented inventions and their less influential counterparts by means of logistic regression models. Our findings show that the use of multiple, complementary
indicators provides the most comprehensive picture. In addition, it is clear that ex-post indicators reflecting impact and value outperform ex-ante indicators
reflecting the nature and novelty of the invention in terms of precision and recall.
ISSN: 0138-9130
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Managerial Economics, Strategy and Innovation (MSI), Leuven
× corresponding author
# (joint) last author

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