{"id":"https://openalex.org/W4388487968","doi":"https://doi.org/10.1371/journal.pone.0288315","title":"Does intellectual property protection promote green innovation in firms? A perspective on R&D spillovers and financing constraints","display_name":"Does intellectual property protection promote green innovation in firms? A perspective on R&D spillovers and financing constraints","publication_year":2023,"publication_date":"2023-11-08","ids":{"openalex":"https://openalex.org/W4388487968","doi":"https://doi.org/10.1371/journal.pone.0288315","pmid":"https://pubmed.ncbi.nlm.nih.gov/37939023","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/10631640"},"language":"en","primary_location":{"id":"doi:10.1371/journal.pone.0288315","doi":"https://doi.org/10.1371/journal.pone.0288315","is_oa":true,"landing_page_url":"https://doi.org/10.1371/journal.pone.0288315","pdf_url":"https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0288315&type=printable","source":{"id":"https://openalex.org/S202381698","display_name":"PLoS ONE","issn_l":"1932-6203","issn":["1932-6203"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","dongbi-c","doyens","erih-plus","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315706","host_organization_name":"Public Library of Science","host_organization_lineage":["https://openalex.org/P4310315706"],"host_organization_lineage_names":["Public Library of Science"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"PLOS ONE","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0288315&type=printable","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110930730","display_name":"Xiaoyuan Gao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoyuan Gao","raw_affiliation_strings":["Law School of Tianjin University, Tianjin, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Law School of Tianjin University, Tianjin, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011294740","display_name":"Yixin Zhao","orcid":"https://orcid.org/0000-0003-3977-791X","observed_orcids":["https://orcid.org/0000-0003-3977-791X"]},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yixin Zhao","raw_affiliation_strings":["Law School of Tianjin University, Tianjin, China"],"raw_orcid":"https://orcid.org/0000-0003-3977-791X","affiliations":[{"raw_affiliation_string":"Law School of Tianjin University, Tianjin, China","institution_ids":["https://openalex.org/I162868743"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5011294740"],"corresponding_institution_ids":["https://openalex.org/I162868743"],"apc_list":{"value":1805,"currency":"USD","value_usd":1805},"apc_paid":{"value":1805,"currency":"USD","value_usd":1805},"fwci":1.4244,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.85283068,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":97},"biblio":{"volume":"18","issue":"11","first_page":"e0288315","last_page":"e0288315"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10880","display_name":"Environmental Sustainability in Business","score":0.5185999870300293,"subfield":{"id":"https://openalex.org/subfields/1406","display_name":"Marketing"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10880","display_name":"Environmental Sustainability in Business","score":0.5185999870300293,"subfield":{"id":"https://openalex.org/subfields/1406","display_name":"Marketing"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10856","display_name":"Intellectual Property and Patents","score":0.3813000023365021,"subfield":{"id":"https://openalex.org/subfields/1405","display_name":"Management of Technology and Innovation"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12851","display_name":"Firm Innovation and Growth","score":0.050599999725818634,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/intellectual-property-protection","display_name":"intellectual property protection","score":0.9990000128746033},{"id":"https://openalex.org/keywords/green-innovation","display_name":"green innovation","score":0.8920000195503235},{"id":"https://openalex.org/keywords/corporate-innovation","display_name":"corporate innovation","score":0.6669999957084656},{"id":"https://openalex.org/keywords/r-d-spillovers","display_name":"R&D spillovers","score":0.9620000123977661},{"id":"https://openalex.org/keywords/financial-constraints","display_name":"financial constraints","score":0.9990000128746033},{"id":"https://openalex.org/keywords/innovation-policy","display_name":"innovation policy","score":0.5479999780654907}],"concepts":[{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.7399685382843018},{"id":"https://openalex.org/C34974158","wikidata":"https://www.wikidata.org/wiki/Q131257","display_name":"Intellectual property","level":2,"score":0.590781033039093},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.5545656085014343},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.43927210569381714},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.4299781322479248},{"id":"https://openalex.org/C40700","wikidata":"https://www.wikidata.org/wiki/Q1411783","display_name":"Industrial organization","level":1,"score":0.33359184861183167},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.058149129152297974},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D002681","descriptor_name":"China","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002947","descriptor_name":"Cities","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D057766","descriptor_name":"Policy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":6,"locations":[{"id":"doi:10.1371/journal.pone.0288315","doi":"https://doi.org/10.1371/journal.pone.0288315","is_oa":true,"landing_page_url":"https://doi.org/10.1371/journal.pone.0288315","pdf_url":"https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0288315&type=printable","source":{"id":"https://openalex.org/S202381698","display_name":"PLoS ONE","issn_l":"1932-6203","issn":["1932-6203"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","dongbi-c","doyens","erih-plus","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315706","host_organization_name":"Public Library of Science","host_organization_lineage":["https://openalex.org/P4310315706"],"host_organization_lineage_names":["Public Library of Science"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"PLOS ONE","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:10631640","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/10631640","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10631640/pdf/pone.0288315.pdf","source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"PLoS One","raw_type":"Text"},{"id":"pmid:37939023","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/37939023","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"PloS one","raw_type":"Journal Article"},{"id":"pmh:oai:RePEc:plo:pone00:0288315","doi":null,"is_oa":false,"landing_page_url":"https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0288315","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:doaj.org/article:558fb973ac4042629c3afe8973744848","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/558fb973ac4042629c3afe8973744848","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"PLoS ONE, Vol 18, Iss 11, p e0288315 (2023)","raw_type":"article"},{"id":"pmh:oai:doaj.org/article:c6eda572cc7e4dd3a118b7495921ada5","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/c6eda572cc7e4dd3a118b7495921ada5","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"PLoS ONE, Vol 18, Iss 11 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1371/journal.pone.0288315","doi":"https://doi.org/10.1371/journal.pone.0288315","is_oa":true,"landing_page_url":"https://doi.org/10.1371/journal.pone.0288315","pdf_url":"https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0288315&type=printable","source":{"id":"https://openalex.org/S202381698","display_name":"PLoS ONE","issn_l":"1932-6203","issn":["1932-6203"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","dongbi-c","doyens","erih-plus","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315706","host_organization_name":"Public Library of Science","host_organization_lineage":["https://openalex.org/P4310315706"],"host_organization_lineage_names":["Public Library of Science"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"PLOS ONE","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8970999717712402,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"},{"score":0.46149998903274536,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, justice, and strong institutions"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G7752698642","display_name":null,"funder_award_id":"19BFX145","funder_id":"https://openalex.org/F4320335869","funder_display_name":"National Social Science Fund of China"}],"funders":[{"id":"https://openalex.org/F4320322701","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32"},{"id":"https://openalex.org/F4320335869","display_name":"National Social Science Fund of China","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4388487968.pdf","grobid_xml":"https://content.openalex.org/works/W4388487968.grobid-xml"},"referenced_works_count":67,"referenced_works":["https://openalex.org/W1531758582","https://openalex.org/W1557570256","https://openalex.org/W1587222246","https://openalex.org/W1917490756","https://openalex.org/W1991428446","https://openalex.org/W1997327210","https://openalex.org/W2011027415","https://openalex.org/W2045516049","https://openalex.org/W2052103116","https://openalex.org/W2055655842","https://openalex.org/W2062269829","https://openalex.org/W2084790252","https://openalex.org/W2093164629","https://openalex.org/W2124115302","https://openalex.org/W2155082510","https://openalex.org/W2158511051","https://openalex.org/W2158779911","https://openalex.org/W2192299710","https://openalex.org/W2259746667","https://openalex.org/W2346307529","https://openalex.org/W2495301159","https://openalex.org/W2503880927","https://openalex.org/W2528358288","https://openalex.org/W2530259327","https://openalex.org/W2791859701","https://openalex.org/W2841083783","https://openalex.org/W2897342112","https://openalex.org/W2902066177","https://openalex.org/W2914201499","https://openalex.org/W2922228362","https://openalex.org/W2942669515","https://openalex.org/W2969431724","https://openalex.org/W2982622945","https://openalex.org/W2991928307","https://openalex.org/W2998495302","https://openalex.org/W3015285384","https://openalex.org/W3021438493","https://openalex.org/W3099643020","https://openalex.org/W3101721630","https://openalex.org/W3103867449","https://openalex.org/W3110698773","https://openalex.org/W3112066496","https://openalex.org/W3121513665","https://openalex.org/W3121537542","https://openalex.org/W3122828739","https://openalex.org/W3122992687","https://openalex.org/W3123352605","https://openalex.org/W3133700042","https://openalex.org/W3136982542","https://openalex.org/W3154229503","https://openalex.org/W3155518070","https://openalex.org/W3183082471","https://openalex.org/W3208458538","https://openalex.org/W3216557284","https://openalex.org/W4200130710","https://openalex.org/W4210724811","https://openalex.org/W4220790479","https://openalex.org/W4224211579","https://openalex.org/W4281249983","https://openalex.org/W4282969087","https://openalex.org/W4283325385","https://openalex.org/W4293103582","https://openalex.org/W4297946094","https://openalex.org/W4309089969","https://openalex.org/W4313238627","https://openalex.org/W4316672489","https://openalex.org/W4322754004"],"related_works":["https://openalex.org/W4390988234","https://openalex.org/W4366528128","https://openalex.org/W4404862101","https://openalex.org/W7201974196","https://openalex.org/W7204458297","https://openalex.org/W4392561146","https://openalex.org/W4408116867","https://openalex.org/W7221365324","https://openalex.org/W4412893788","https://openalex.org/W7196940791"],"abstract_inverted_index":{"Although":[0],"the":[1,5,20,23,29,53,66,116,132],"literature":[2],"has":[3,75,119],"assessed":[4],"impact":[6,24,54],"of":[7,22,25,55],"Intellectual":[8,42],"property":[9,143],"protection":[10,144],"on":[11,57,125,131],"urban":[12],"innovation,":[13],"there":[14],"is":[15],"still":[16,80],"a":[17,35,48,120],"gap":[18],"in":[19],"assessment":[21],"green":[26,59,72,100,148],"innovation":[27,73,101],"at":[28],"firm":[30],"level.":[31],"This":[32,78],"study":[33,136],"constructs":[34],"multi-period":[36],"differences-in-differences":[37],"(DID)":[38],"model":[39],"using":[40,83],"China's":[41],"Property":[43],"Demonstration":[44],"Cities":[45],"(IPDC)":[46],"as":[47,85,87],"quasi-natural":[49],"experiment":[50],"to":[51,145],"investigate":[52],"IPDC":[56,67,96,117],"corporate":[58,71,147],"innovation.":[60,149],"The":[61],"findings":[62],"indicate":[63],"that":[64,95,115],"(1)":[65],"program":[68,118],"significantly":[69],"stimulates":[70],"and":[74,107],"long-term":[76],"effects.":[77],"finding":[79],"holds":[81],"after":[82],"PSM-DID":[84],"well":[86],"robust":[88],"IW":[89],"estimators.":[90],"(2)":[91],"Mechanism":[92],"analysis":[93],"suggests":[94],"can":[97],"promote":[98],"firms'":[99],"by":[102],"reducing":[103],"R&D":[104],"spillover":[105],"losses":[106],"alleviating":[108],"financing":[109],"constraints.":[110],"(3)":[111],"Heterogeneity":[112],"tests":[113],"show":[114],"more":[121],"significant":[122],"promotion":[123],"effect":[124],"small,":[126],"state-owned,":[127],"growth-stage":[128],"firms.":[129],"Based":[130],"above":[133],"findings,":[134],"this":[135],"provides":[137],"policy":[138],"implications":[139],"for":[140],"enhancing":[141],"intellectual":[142],"stimulate":[146]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2023-11-09T00:00:00"}