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Self-organization of knowledge economies
Lafond, Francois - United Nations University-Maastricht Economic Research … - 2013
Suppose that homogenous agents fully consume their time to invent new ideas and learn ideas from their friends. If the social network is complete and agents pick friends and ideas of friends uniformly at random, the distribution of ideas’ popularity is an extension of the Yule-Simon...
Persistent link: https://www.econbiz.de/10010856431
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Learning and the structure of citation networks
Lafond, Francois - United Nations University-Maastricht Economic Research … - 2012
The distribution of citations received by scientific publications can be approximated by a power law, a finding that … popularity, and a shifted power law for the distribution of citations received. The two distributions flatten if there is … relatively more learning. The predicted exponent for the distribution of citations is independent of the average in-(or out …
Persistent link: https://www.econbiz.de/10010712222
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Measuring Eco-Innovation
Arundel, Anthony; Kemp, Rene - United Nations University-Maastricht Economic Research … - 2009
In this paper we offer a discussion of eco-innovation and methods for measuring it. Eco-innovation is a new concept of great importance to business and policy makers, covering many innovations of environmental benefit. Past research and measurement activity primarily focused on pollution control...
Persistent link: https://www.econbiz.de/10010712241