{"id":"https://openalex.org/W2096930697","doi":"https://doi.org/10.1023/a:1015700309362","title":"Separating Technical Change from Time-Varying Technical Inefficiency in the Absence of Distributional Assumptions","display_name":"Separating Technical Change from Time-Varying Technical Inefficiency in the Absence of Distributional Assumptions","publication_year":2002,"publication_date":"2002-07-01","ids":{"openalex":"https://openalex.org/W2096930697","doi":"https://doi.org/10.1023/a:1015700309362","mag":"2096930697"},"language":"en","primary_location":{"id":"doi:10.1023/a:1015700309362","doi":"https://doi.org/10.1023/a:1015700309362","is_oa":false,"landing_page_url":"https://doi.org/10.1023/a:1015700309362","pdf_url":null,"source":{"id":"https://openalex.org/S34280410","display_name":"Journal of Productivity Analysis","issn_l":"0895-562X","issn":["0895-562X","1573-0441"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","anvur-class-a","anvur-scientific","cwts-core","erih-plus","fnege-3","jufo-2","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Productivity Analysis","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://ageconsearch.umn.edu/record/11842","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028059690","display_name":"Giannis Karagiannis","orcid":"https://orcid.org/0000-0003-2935-1907","observed_orcids":["https://orcid.org/0000-0003-2935-1907"]},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"G. Karagiannis","raw_affiliation_strings":["Department of Economics, University of Ioannina, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Economics, University of Ioannina, Greece","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023669638","display_name":"Peter Midmore","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I16038530","display_name":"Aberystwyth University","ror":"https://ror.org/015m2p889","country_code":"GB","type":"education","lineage":["https://openalex.org/I16038530"]},{"id":"https://openalex.org/I97429440","display_name":"University of Wales","ror":"https://ror.org/01se4f844","country_code":"GB","type":"education","lineage":["https://openalex.org/I97429440"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"P. Midmore","raw_affiliation_strings":["School of Management and Business, University of Wales, Aberystwyth, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Management and Business, University of Wales, Aberystwyth, UK","institution_ids":["https://openalex.org/I16038530","https://openalex.org/I97429440"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062904835","display_name":"Vangelis M. Tzouvelekas","orcid":"https://orcid.org/0000-0001-7097-9646","observed_orcids":["https://orcid.org/0000-0001-7097-9646"]},"institutions":[{"id":"https://openalex.org/I142617266","display_name":"University of Crete","ror":"https://ror.org/00dr28g20","country_code":"GR","type":"education","lineage":["https://openalex.org/I142617266"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"V. Tzouvelekas","raw_affiliation_strings":["Department of Economics, University of Crete, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Economics, University of Crete, Greece","institution_ids":["https://openalex.org/I142617266"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5028059690"],"corresponding_institution_ids":["https://openalex.org/I194019607"],"apc_list":{"value":3190,"currency":"USD","value_usd":3190},"apc_paid":null,"fwci":2.1819,"has_fulltext":true,"cited_by_count":35,"citation_normalized_percentile":{"value":0.8889529,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"18","issue":"1","first_page":"23","last_page":"38"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10357","display_name":"Efficiency Analysis Using DEA","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10357","display_name":"Efficiency Analysis Using DEA","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11805","display_name":"Agricultural economics and policies","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3311","display_name":"Safety Research"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10393","display_name":"Economic Growth and Productivity","score":0.0,"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/technological-change","display_name":"technological change","score":0.9860000014305115},{"id":"https://openalex.org/keywords/production-frontier","display_name":"production frontier","score":0.718999981880188},{"id":"https://openalex.org/keywords/general-index","display_name":"general index","score":0.6949999928474426},{"id":"https://openalex.org/keywords/translog-production-function","display_name":"translog production function","score":0.9210000038146973},{"id":"https://openalex.org/keywords/dairy-industry","display_name":"dairy industry","score":0.7409999966621399}],"concepts":[{"id":"https://openalex.org/C2778869765","wikidata":"https://www.wikidata.org/wiki/Q6028363","display_name":"Inefficiency","level":2,"score":0.9555000066757202},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.7233241200447083},{"id":"https://openalex.org/C2777098202","wikidata":"https://www.wikidata.org/wiki/Q7692324","display_name":"Technical change","level":3,"score":0.6931462287902832},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.5831634998321533},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.5518230199813843},{"id":"https://openalex.org/C34778210","wikidata":"https://www.wikidata.org/wiki/Q376791","display_name":"Production\u2013possibility frontier","level":3,"score":0.4591514468193054},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.45532655715942383},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.452827513217926},{"id":"https://openalex.org/C2779578543","wikidata":"https://www.wikidata.org/wiki/Q1605334","display_name":"Technical progress","level":2,"score":0.4360645115375519},{"id":"https://openalex.org/C2778571376","wikidata":"https://www.wikidata.org/wiki/Q1355821","display_name":"Frontier","level":2,"score":0.4336305856704712},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.342093825340271},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.16766712069511414},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.10594794154167175},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.09051281213760376},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.0}],"mesh":[],"locations_count":7,"locations":[{"id":"doi:10.1023/a:1015700309362","doi":"https://doi.org/10.1023/a:1015700309362","is_oa":false,"landing_page_url":"https://doi.org/10.1023/a:1015700309362","pdf_url":null,"source":{"id":"https://openalex.org/S34280410","display_name":"Journal of Productivity Analysis","issn_l":"0895-562X","issn":["0895-562X","1573-0441"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","anvur-class-a","anvur-scientific","cwts-core","erih-plus","fnege-3","jufo-2","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Productivity Analysis","raw_type":"journal-article"},{"id":"pmh:oai:ageconsearch.umn.edu:11842","doi":null,"is_oa":true,"landing_page_url":"http://ageconsearch.umn.edu/record/11842","pdf_url":"http://ageconsearch.umn.edu/record/11842","source":{"id":"https://openalex.org/S4306401616","display_name":"AgEcon Search (University of Minnesota, USA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210120349","host_organization_name":"University of Minnesota Rochester","host_organization_lineage":["https://openalex.org/I4210120349"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://ageconsearch.umn.edu/record/11842","raw_type":"Text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.562.9833","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.562.9833","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://economics.soc.uoc.gr/EcoSuD/docs/Tzouv paper/jpa.pdf","raw_type":"text"},{"id":"pmh:oai:RePEc:ags:miscpa:11842","doi":null,"is_oa":false,"landing_page_url":"http://purl.umn.edu/11842","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":"preprint"},{"id":"mag:3126000866","doi":null,"is_oa":false,"landing_page_url":"https://econpapers.repec.org/RePEc:ags:miscpa:11842","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":"RePEc: Research Papers in Economics","raw_type":null},{"id":"pmh:oai:RePEc:kap:jproda:v:18:y:2002:i:1:p:23-38","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/10.1023/A:1015700309362","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":"doi:10.22004/ag.econ.11842","doi":"https://doi.org/10.22004/ag.econ.11842","is_oa":true,"landing_page_url":"https://doi.org/10.22004/ag.econ.11842","pdf_url":null,"source":{"id":"https://openalex.org/S4306401616","display_name":"AgEcon Search (University of Minnesota, USA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210120349","host_organization_name":"University of Minnesota Rochester","host_organization_lineage":["https://openalex.org/I4210120349"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:ageconsearch.umn.edu:11842","doi":null,"is_oa":true,"landing_page_url":"http://ageconsearch.umn.edu/record/11842","pdf_url":"http://ageconsearch.umn.edu/record/11842","source":{"id":"https://openalex.org/S4306401616","display_name":"AgEcon Search (University of Minnesota, USA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210120349","host_organization_name":"University of Minnesota Rochester","host_organization_lineage":["https://openalex.org/I4210120349"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://ageconsearch.umn.edu/record/11842","raw_type":"Text"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"id":"https://metadata.un.org/sdg/16","score":0.41999998688697815,"display_name":"Peace, justice, and strong institutions"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2096930697.pdf","grobid_xml":"https://content.openalex.org/works/W2096930697.grobid-xml"},"referenced_works_count":51,"referenced_works":["https://openalex.org/W1490245191","https://openalex.org/W1492662576","https://openalex.org/W1530835400","https://openalex.org/W1556462313","https://openalex.org/W1564582710","https://openalex.org/W1599175517","https://openalex.org/W1965058865","https://openalex.org/W1965874904","https://openalex.org/W1977845602","https://openalex.org/W1980550216","https://openalex.org/W1981568506","https://openalex.org/W1989864366","https://openalex.org/W1992894230","https://openalex.org/W2017855767","https://openalex.org/W2020997251","https://openalex.org/W2024020372","https://openalex.org/W2026943921","https://openalex.org/W2032211397","https://openalex.org/W2037918044","https://openalex.org/W2038714558","https://openalex.org/W2040144005","https://openalex.org/W2041212942","https://openalex.org/W2045453785","https://openalex.org/W2047984942","https://openalex.org/W2049254920","https://openalex.org/W2050471002","https://openalex.org/W2053364540","https://openalex.org/W2055084783","https://openalex.org/W2057620415","https://openalex.org/W2060011457","https://openalex.org/W2062155379","https://openalex.org/W2071443169","https://openalex.org/W2076135196","https://openalex.org/W2077197556","https://openalex.org/W2078888048","https://openalex.org/W2086910678","https://openalex.org/W2092222612","https://openalex.org/W2111442408","https://openalex.org/W2111835957","https://openalex.org/W2118189746","https://openalex.org/W2118360145","https://openalex.org/W2119246169","https://openalex.org/W2124717160","https://openalex.org/W2131330125","https://openalex.org/W2133833730","https://openalex.org/W2146963058","https://openalex.org/W2153466177","https://openalex.org/W2273553973","https://openalex.org/W4249642514","https://openalex.org/W4388062698","https://openalex.org/W7056047280"],"related_works":["https://openalex.org/W1564582710","https://openalex.org/W2035480903","https://openalex.org/W2045453785","https://openalex.org/W2994557120","https://openalex.org/W1977759760","https://openalex.org/W2073174219","https://openalex.org/W7098598738","https://openalex.org/W1556462313","https://openalex.org/W3123184698","https://openalex.org/W4388062698"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}
