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This paper uses patent citation data to study flows of knowledge across time and across institutions in the field of … of the accumulated knowledge available to inventors. Patent citations are used to represent this quality. This paper …
Persistent link: https://www.econbiz.de/10013240989
I use U.S. patent data from 1970 to 1994 to estimate the effect of energy prices on energy-efficient innovations. Using … patent citations to construct a measure of the usefulness of the existing base of scientific knowledge, I consider the effect …
Persistent link: https://www.econbiz.de/10013246366
This paper uses patent citation data to study flows of knowledge across time and across institutions in the field of … of the accumulated knowledge available to inventors. Patent citations are used to represent this quality. This paper …
Persistent link: https://www.econbiz.de/10012467264
I use U.S. patent data from 1970 to 1994 to estimate the effect of energy prices on energy-efficient innovations. Using … patent citations to construct a measure of the usefulness of the existing base of scientific knowledge, I consider the effect …
Persistent link: https://www.econbiz.de/10012470440