The quality of ideas : measuring innovation with multiple indicators

Bibliografiske detaljer
Hovedforfatter:	Lanjouw, Jean O.
Andre forfattere:	Schankerman, Mark
Format:	Bog
Sprog:	English
Udgivet:	Cambridge National Bureau of Economic Research 1999.
Serier:	NBER working paper series no.7345
Fag:	Patents > Econometric models. > United States. Technological innovations > Evaluation > Statistical methods. > United States. Research, Industrial > Econometric models. > United States.