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We document the occurrence of process claims in granted U.S. patents over the last century. Using novel data on the type of independent patent claims, we show an increase in the annual share of process claims of about 25 percentage points (from below 10% in 1920). This rise in process intensity...
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results in a selection bias that affects econometric estimates of innovation production functions. We propose a methodology to …
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production functions. We propose a methodology to evaluate whether estimates that rely on the single-office count are affected by …
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production functions. We propose a methodology to evaluate whether estimates that rely on the single-office count are affected by …
Persistent link: https://www.econbiz.de/10014160089
results in a selection bias that affects econometric estimates of innovation production functions. We propose a methodology to …
Persistent link: https://www.econbiz.de/10014040476
results in a selection bias that affects econometric estimates of innovation production functions. We propose a methodology to …
Persistent link: https://www.econbiz.de/10013109844
assessment of preconditions for innovation by managers. We apply the methodology to a set of 17 industrialized countries on a …
Persistent link: https://www.econbiz.de/10009156479