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Innovation Network

Daron Acemoglu, Ufuk Akcigit () and William Kerr ()

No 6173, CESifo Working Paper Series from CESifo Group Munich

Abstract: Technological progress builds upon itself, with the expansion of invention in one domain propelling future work in linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong predictive power on future innovation after 1995. This pattern is consistent with the idea that when there is more past upstream innovation for a particular technology class to build on, then that technology class innovates more.

Keywords: innovation; networks; patents; growth (search for similar items in EconPapers)
JEL-codes: O31 D85 O32 O33 O34 (search for similar items in EconPapers)
Date: 2016
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