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type="main" <p>Patent pools, which combine complementary patents of competing firms, are expected to increase overall welfare but potentially discourage innovation in substitutes for the pool technology. This article exploits a new historical data set on changes in patenting and firm entry for a...</p>
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This paper investigates whether patent applicants strategically withhold citations to material prior art. Citation data suggest that applicants withhold between 21% and 33% of relevant citations. Variation in withholdings is explained by patent portfolio size and indicators of patent value....
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A socially optimal structure of application and renewal fees for patents would encourage the maximal number of applications while reducing effective patent length. We find, however, that when patent offices are required to be self-funding, resource constraints can distort this fee structure....
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Proponents of stronger copyright terms have argued that stronger copyright terms encourage creativity by increasing the profitability of authorship. Empirical evidence, however, is scarce, because data on the profitability of authorship is typically not available to the public. Moreover at...
Persistent link: https://www.econbiz.de/10011264932
Count data regressions are an important tool for empirical analyses ranging from analyses of patent counts to measures of health and unemployment. Along with negative binomial, Poisson panel regressions are a preferred method of analysis because the Poisson conditional fixed effects maximum...
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