The quality of ideas : measuring innovation with multiple indicators

Bibliographische Detailangaben
1. Verfasser:	Lanjouw, Jean O.
Weitere Verfasser:	Schankerman, Mark
Format:	Buch
Sprache:	Englisch
Veröffentlicht:	Cambridge National Bureau of Economic Research 1999.
Schriftenreihe:	NBER working paper series no.7345
Schlagworte:	Patents > Econometric models. > United States. Technological innovations > Evaluation > Statistical methods. > United States. Research, Industrial > Econometric models. > United States.