In this ZEW Research Seminar, quantitative methods for measuring national and regional innovation systems (NIS and RIS) using patent citation data will be presented. Relevant variables will be explained, such as technology cycle time, knowledge localization vs. internationalization, technological diversification, concentration of applicants, and originality. Keun Lee will refer to two recent works on the concepts of NIS (Lee et al. 2021) and RIS (Kim and Lee 2022), respectively, to analyze the evolving variants of different types of NIS or RIS and link them to economic performance. He will also highlight ongoing comparative work to analyze the RIS of 30 cities around the world, including in Europe and emerging economies.


Keun Lee

Seoul National University, South Korea

Please contact Philipp Böing if you wish to participate in the online seminar.


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02.06.2022 | 14:00 - 15:00 (CET)

Event Location

ZEW – Leibniz-Zentrum für Europäische Wirtschaftsforschung

L 7, 1 68161 Mannheim




Senior Researcher