{"id":"https://openalex.org/W576202123","doi":null,"title":"Concentration and choice in healthcare","display_name":"Concentration and choice in healthcare","publication_year":1997,"publication_date":"1997-01-01","ids":{"openalex":"https://openalex.org/W576202123","mag":"576202123"},"language":"en","primary_location":{"id":"mag:576202123","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/ncid/BA36060176","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"book","is_traditional":true,"indexed_in":[],"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/A5061921394","display_name":"Brian A. Ferguson","orcid":"https://orcid.org/0000-0003-4559-2313","observed_orcids":["https://orcid.org/0000-0003-4559-2313"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Brian Ferguson","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-4559-2313","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007311597","display_name":"T. Sheldon","orcid":"https://orcid.org/0000-0002-7479-5913","observed_orcids":["https://orcid.org/0000-0002-7479-5913","https://orcid.org/0000-0001-7690-4098"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"T. Sheldon","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-7479-5913","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5052109949","display_name":"John William Posnett","orcid":"https://orcid.org/0000-0003-0841-1982","observed_orcids":["https://orcid.org/0000-0003-0841-1982"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"John Posnett","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.9959,"has_fulltext":false,"cited_by_count":64,"citation_normalized_percentile":{"value":0.95463918,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10391","display_name":"Healthcare Policy and Management","score":0.9574999809265137,"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/T10391","display_name":"Healthcare Policy and Management","score":0.9574999809265137,"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/T13896","display_name":"Health Services Management and Policy","score":0.015399999916553497,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12871","display_name":"Healthcare Quality and Management","score":0.008799999952316284,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/health-care-mergers","display_name":"health care mergers","score":0.6710000038146973},{"id":"https://openalex.org/keywords/economies-of-scale","display_name":"economies of scale","score":0.7710000276565552},{"id":"https://openalex.org/keywords/economies-of-scope","display_name":"economies of scope","score":0.968999981880188},{"id":"https://openalex.org/keywords/medical-training","display_name":"medical training","score":0.6320000290870667},{"id":"https://openalex.org/keywords/subspecialization","display_name":"subspecialization","score":0.8330000042915344},{"id":"https://openalex.org/keywords/health-care-delivery","display_name":"health care delivery","score":0.7360000014305115},{"id":"https://openalex.org/keywords/purchaser-provider-relationship","display_name":"purchaser-provider relationship","score":0.9850000143051147},{"id":"https://openalex.org/keywords/health-care-regulation","display_name":"health care regulation","score":0.8299999833106995},{"id":"https://openalex.org/keywords/quality-of-care","display_name":"quality of care","score":0.7049999833106995}],"concepts":[{"id":"https://openalex.org/C2778012447","wikidata":"https://www.wikidata.org/wiki/Q1034415","display_name":"Scope (computer science)","level":2,"score":0.8262744545936584},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.6720095276832581},{"id":"https://openalex.org/C160735492","wikidata":"https://www.wikidata.org/wiki/Q31207","display_name":"Health care","level":2,"score":0.6584678888320923},{"id":"https://openalex.org/C3018279614","wikidata":"https://www.wikidata.org/wiki/Q31207","display_name":"Healthcare service","level":3,"score":0.6187037229537964},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.578457236289978},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.5360543727874756},{"id":"https://openalex.org/C29321873","wikidata":"https://www.wikidata.org/wiki/Q5970087","display_name":"Economies of scale","level":2,"score":0.5145286917686462},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4946431815624237},{"id":"https://openalex.org/C3018457447","wikidata":"https://www.wikidata.org/wiki/Q31207","display_name":"Healthcare delivery","level":3,"score":0.49354469776153564},{"id":"https://openalex.org/C68595000","wikidata":"https://www.wikidata.org/wiki/Q2274177","display_name":"Service delivery framework","level":3,"score":0.46517086029052734},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.4255180358886719},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.4127404987812042},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.33412081003189087},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.176566481590271},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.1281590461730957},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.12384909391403198},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.06555181741714478},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:576202123","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/ncid/BA36060176","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.428600013256073,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2902010655","https://openalex.org/W2918234651","https://openalex.org/W2091552760","https://openalex.org/W4301205810","https://openalex.org/W4392874777","https://openalex.org/W4377008954","https://openalex.org/W2408352876","https://openalex.org/W2418429186","https://openalex.org/W4414552336","https://openalex.org/W2416886302"],"abstract_inverted_index":{"Volume":[0],"of":[1,12,19,54],"activity":[2],"and":[3,14,17,26,36,44,52],"healthcare":[4,20],"quality":[5],"-":[6,28,63],"is":[7],"there":[8],"a":[9],"link?":[10],"economies":[11],"scale":[13],"scope":[15],"access":[16],"utilization":[18],"services":[21],"changes":[22],"in":[23,57],"medical":[24],"training":[25],"subspecialization":[27],"implications":[29,45],"for":[30,35,46],"service":[31,64],"delivery":[32],"the":[33,41,47,50,58],"case":[34],"against":[37],"mergers":[38],"impact":[39],"on":[40],"purchaser-provider":[42],"relationship":[43],"regulatory":[48],"framework":[49],"nature":[51],"consequences":[53],"provider":[55],"consolidations":[56],"US":[59],"different":[60],"perspectives":[61],"epilogue":[62],"development":[65],"under":[66],"uncertainty.":[67]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-05T12:25:35.769452","created_date":"2016-06-24T00:00:00"}
