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subject:"USA"
~isPartOf:"Economics of Industry Group"
~person:"Frakes, Michael"
~person:"Nicholas, Tom"
~person:"Popp, David"
~person:"Schankerman, Mark"
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Frakes, Michael
Nicholas, Tom
Popp, David
Schankerman, Mark
Lanjouw, Jean Olson
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Economics of Industry Group
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Research productivity and patent quality : measurement with multiple indicators
Lanjouw, Jean Olson
;
Schankerman, Mark
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2002
Persistent link: https://www.econbiz.de/10001727713
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