Media type: E-Article Title: Characterizing and comparing innovation systems by different ‘modes’ of knowledge production: A proximity approach Contributor: Hardeman, Sjoerd; Frenken, Koen; Nomaler, Önder; Ter Wal, Anne L. J. imprint: Oxford University Press (OUP), 2015 Published in: Science and Public Policy Language: English DOI: 10.1093/scipol/scu070 ISSN: 0302-3427; 1471-5430 Keywords: Management, Monitoring, Policy and Law ; Public Administration ; Geography, Planning and Development Origination: Footnote: