{"id":"https://openalex.org/W2012166812","doi":"https://doi.org/10.1007/s11192-006-0138-5","title":"A semi-parametric modeling of firms' R&D expenditures with zero values","display_name":"A semi-parametric modeling of firms' R&D expenditures with zero values","publication_year":2006,"publication_date":"2006-09-11","ids":{"openalex":"https://openalex.org/W2012166812","doi":"https://doi.org/10.1007/s11192-006-0138-5","mag":"2012166812"},"language":"en","primary_location":{"id":"doi:10.1007/s11192-006-0138-5","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11192-006-0138-5","pdf_url":null,"source":{"id":"https://openalex.org/S148561398","display_name":"Scientometrics","issn_l":"0138-9130","issn":["0138-9130","1588-2861"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320108","host_organization_name":"Springer Nature (Netherlands)","host_organization_lineage":["https://openalex.org/P4310320108","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature (Netherlands)","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientometrics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5027907536","display_name":"Seung\u2010Hoon Yoo","orcid":"https://orcid.org/0000-0001-5048-219X"},"institutions":[{"id":"https://openalex.org/I162706563","display_name":"Hoseo University","ror":"https://ror.org/01qyd4k24","country_code":"KR","type":"education","lineage":["https://openalex.org/I162706563"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Seung-Hoon Yoo","raw_affiliation_strings":["School of Business and Economics, Hoseo University, 268 Anseo-Dong, Cheonan, Chungnam, 330-713, Republic of Korea","School of Business and Economics, Hoseo University"],"affiliations":[{"raw_affiliation_string":"School of Business and Economics, Hoseo University, 268 Anseo-Dong, Cheonan, Chungnam, 330-713, Republic of Korea","institution_ids":["https://openalex.org/I162706563"]},{"raw_affiliation_string":"School of Business and Economics, Hoseo University","institution_ids":["https://openalex.org/I162706563"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050888068","display_name":"Hye-Seon Moon","orcid":null},"institutions":[{"id":"https://openalex.org/I4210113183","display_name":"Korea Institute of Science & Technology Evaluation and Planning","ror":"https://ror.org/022a2kb82","country_code":"KR","type":"other","lineage":["https://openalex.org/I2801339556","https://openalex.org/I4210113183","https://openalex.org/I4387152098"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hye-Seon Moon","raw_affiliation_strings":["Korea Institute of Science and Technology Evaluation and Planning, Seoul (Republic of Korea)","Korea Institute of Science & Technology Evaluation and Planning"],"affiliations":[{"raw_affiliation_string":"Korea Institute of Science and Technology Evaluation and Planning, Seoul (Republic of Korea)","institution_ids":["https://openalex.org/I4210113183"]},{"raw_affiliation_string":"Korea Institute of Science & Technology Evaluation and Planning","institution_ids":["https://openalex.org/I4210113183"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5027907536"],"corresponding_institution_ids":["https://openalex.org/I162706563"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":1.1001,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.87191235,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"69","issue":"1","first_page":"57","last_page":"67"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12851","display_name":"Firm Innovation and Growth","score":0.9933000206947327,"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"}},"topics":[{"id":"https://openalex.org/T12851","display_name":"Firm Innovation and Growth","score":0.9933000206947327,"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"}},{"id":"https://openalex.org/T10393","display_name":"Economic Growth and Productivity","score":0.9904999732971191,"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"}},{"id":"https://openalex.org/T12722","display_name":"Innovation Policy and R&D","score":0.9900000095367432,"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/tobit-model","display_name":"Tobit model","score":0.9393337368965149},{"id":"https://openalex.org/keywords/heteroscedasticity","display_name":"Heteroscedasticity","score":0.8785775899887085},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.7144975066184998},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.7094582915306091},{"id":"https://openalex.org/keywords/zero","display_name":"Zero (linguistics)","score":0.6456003189086914},{"id":"https://openalex.org/keywords/semiparametric-model","display_name":"Semiparametric model","score":0.5593588948249817},{"id":"https://openalex.org/keywords/econometrics","display_name":"Econometrics","score":0.55833899974823},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5283176302909851},{"id":"https://openalex.org/keywords/parametric-model","display_name":"Parametric model","score":0.49586328864097595},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.4402995705604553},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.3926445245742798}],"concepts":[{"id":"https://openalex.org/C166866094","wikidata":"https://www.wikidata.org/wiki/Q1307251","display_name":"Tobit model","level":2,"score":0.9393337368965149},{"id":"https://openalex.org/C101104100","wikidata":"https://www.wikidata.org/wiki/Q1063540","display_name":"Heteroscedasticity","level":2,"score":0.8785775899887085},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.7144975066184998},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.7094582915306091},{"id":"https://openalex.org/C2780813799","wikidata":"https://www.wikidata.org/wiki/Q3274237","display_name":"Zero (linguistics)","level":2,"score":0.6456003189086914},{"id":"https://openalex.org/C78297888","wikidata":"https://www.wikidata.org/wiki/Q7449607","display_name":"Semiparametric model","level":3,"score":0.5593588948249817},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.55833899974823},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5283176302909851},{"id":"https://openalex.org/C24574437","wikidata":"https://www.wikidata.org/wiki/Q7135228","display_name":"Parametric model","level":3,"score":0.49586328864097595},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.4402995705604553},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.3926445245742798},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s11192-006-0138-5","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11192-006-0138-5","pdf_url":null,"source":{"id":"https://openalex.org/S148561398","display_name":"Scientometrics","issn_l":"0138-9130","issn":["0138-9130","1588-2861"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320108","host_organization_name":"Springer Nature (Netherlands)","host_organization_lineage":["https://openalex.org/P4310320108","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature (Netherlands)","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientometrics","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:spr:scient:v:69:y:2006:i:1:d:10.1007_s11192-006-0138-5","is_oa":false,"landing_page_url":"http://link.springer.com/10.1007/s11192-006-0138-5","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,"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"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.4099999964237213,"id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1965068648","https://openalex.org/W1966184370","https://openalex.org/W2036581325","https://openalex.org/W2043553350","https://openalex.org/W2049271423","https://openalex.org/W2062611520","https://openalex.org/W2102236934"],"related_works":["https://openalex.org/W2921863182","https://openalex.org/W3123867562","https://openalex.org/W1495623194","https://openalex.org/W3124121843","https://openalex.org/W1589125640","https://openalex.org/W39896467","https://openalex.org/W2210864306","https://openalex.org/W1564806038","https://openalex.org/W1995675544","https://openalex.org/W4280562666"],"abstract_inverted_index":null,"counts_by_year":[{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}