-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong …

Patent citations often proxy for the value of innovation, and the very need for a proxy demonstrates the difficulty of …

, where we merge: (i) firm-level balance sheet data; (ii) social security data on the universe of workers; (iii) patent data … from the European Patent Office; (iv) the national registry of local politicians; and (v) detailed data on local elections …

How do non-practicing entities ("Patent Trolls") impact innovation and technological progress? Although this question …", who exploit the patent system to extract rents and thereby hurt innovation. We employ unprecedented access to NPE …-derived patent and financial data, as well as a novel model that guides our data analysis. We find that NPEs acquire patents from …

How do non-practicing entities (“Patent Trolls”) impact innovation and technological progress? We employ unprecedented … access to NPE-derived patent and financial data and a novel model to answer this question. We find that NPEs tend to acquire …

to gauge how efficiency in the patent market affects growth …