{"doi":"10.2307/2233763","title":"Innovation and Learning: The Two Faces of R & D","abstract":"Journal Article Innovation and Learning: The Two Faces of R & D Get access Wesley M. Cohen, Wesley M. Cohen Carnegie Mellon University Search for other works by this author on: Oxford Academic Google Scholar Daniel A. Levinthal Daniel A. Levinthal Carnegie Mellon University Search for other works by this author on: Oxford Academic Google Scholar The Economic Journal, Volume 99, Issue 397, 1 September 1989, Pages 569–596, https://doi.org/10.2307/2233763 Published: 01 September 1989","journal":"The Economic Journal","year":1989,"id":6604,"datarank":18.555202768428796,"base_score":8.924656302187074,"endowment":8.924656302187074,"self_citation_contribution":1.3386984453280613,"citation_network_contribution":17.216504323100736,"self_endowment_contribution":1.3386984453280613,"citer_contribution":17.216504323100736,"corpus_percentile":89.7,"corpus_rank":2190,"citation_count":7514,"citer_count":193,"citers_with_citation_signal":193,"citers_with_endowment":193,"datacite_reuse_total":0,"is_dataset":false,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"1989-09-01","authors":[{"id":60764,"name":"Daniel A. Levinthal","orcid":"0000-0002-8740-6091","position":1,"is_corresponding":false},{"id":60763,"name":"Wesley M. Cohen","orcid":null,"position":0,"is_corresponding":true}],"reference_count":26,"raw_metadata":{"citation_network_status":"fetched"},"created_at":"2026-03-01T18:20:47.508186Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}