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Political Sentiment and Innovation : Evidence from Patenters

Engelberg, Joseph; Lu, Runjing; Mullins, William; … - National Bureau of Economic Research - 2023

We document political sentiment effects on US inventors. Democratic inventors are more likely to patent (relative to Republicans) after the 2008 election of Obama but less likely after the 2016 election of Trump. These effects are 2-3 times as strong among politically active partisans and are...

Persistent link: https://www.econbiz.de/10014337851

Parental Education and Invention : The Finnish Enigma

Aghion, Philippe; Akcigit, Ufuk; Hyytinen, Ari; … - National Bureau of Economic Research - 2023

Why is invention strongly positively correlated with parental income not only in the US but also in Finland which displays low income inequality and high social mobility? Using data on 1.45M Finnish individuals and their parents, we find that: (i) the positive association between parental income...

Persistent link: https://www.econbiz.de/10014226161

Inventor Gender and Patent Undercitation : Evidence from Causal Text Estimation

Hochberg, Yael V.; Kakhbod, Ali; Li, Peiyao; Sachdeva, Kunal - National Bureau of Economic Research - 2023

Implementing a state-of-the-art machine learning technique for causal identification from text data (C-TEXT), we document that patents authored by female inventors are under-cited relative to those authored by males. Relative to what the same patent would be predicted to receive had the lead...

Persistent link: https://www.econbiz.de/10014337825

The Effect of Public Science on Corporate R&D

Arora, Ashish; Belenzon, Sharon; Cioaca, Larisa C.; … - National Bureau of Economic Research - 2023

We study the relationships between corporate R&D and three components of public science: knowledge, human capital, and … established firms, which account for more than three-quarters of business R&D, is affected by scientific knowledge produced by … innovation in firms. However, inventions from universities and public research institutes substitute for corporate inventions and …

Persistent link: https://www.econbiz.de/10014437030