Hall, Bronwyn H. MPI for Innovation and Competition, Max Planck Society;
http://www.nber.org/papers/w24348 (Preprint)
https://www.wipo.int/edocs/pubdocs/en/wipo_pub_econstat_wp_43.pdf (Preprint)
https://doi.org/10.1086/711653 (Publisher version)
Fink, C., Hall, B. H., & Helmers, C. (2018). Intellectual Property Use in Middle Income Countries: The Case of Chile. NBER Working Paper, No. 24348.