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subject:"USA"
~isPartOf:"The economic journal : the journal of the Royal Economic Society"
~person:"Frakes, Michael"
~person:"Nicholas, Tom"
~person:"Popp, David"
~person:"Schankerman, Mark"
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The economic journal : the journal of the Royal Economic Society
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Patent quality and research productivity : measuring innovation with multiple indicators
Lanjouw, Jean Olson
;
Schankerman, Mark
- In:
The economic journal : the journal of the Royal …
114
(
2004
)
495
,
pp. 441-465
Persistent link: https://www.econbiz.de/10002050861
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