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Should governments invest in basic research? Out today in @sciencemagazine: we report that nearly one-third of patented U.S. inventions rely on federally-funded science, a rate which has grown substantially over the past 90 years: science.sciencemag.org/content/364/64… 
This trend occurs across all scientific fields & is especially strong in chemistry + metallurgy where reliance approaches 60%. Innovation relying on federally-funded science is more impactful/novel, as captured by fwd cites, patent renewals, & new words in the patent corpus.
We (Fleming/Green/Li/Marx/Yao) linked government grants for millions of scientific papers to U.S. patents from 1926-2017. You can download the reliance classification for each patent, plus metadata including the # of novel words and OCR data pre-1975, at dataverse.harvard.edu/dataset.xhtml?…
