{"id":"https://openalex.org/W2158342153","doi":"https://doi.org/10.1111/j.1467-8268.2004.00089.x","title":"Productivity Growth, Technical Progress and Efficiency Change in African Agriculture","display_name":"Productivity Growth, Technical Progress and Efficiency Change in African Agriculture","publication_year":2004,"publication_date":"2004-04-01","ids":{"openalex":"https://openalex.org/W2158342153","doi":"https://doi.org/10.1111/j.1467-8268.2004.00089.x","mag":"2158342153"},"language":"en","primary_location":{"id":"doi:10.1111/j.1467-8268.2004.00089.x","doi":"https://doi.org/10.1111/j.1467-8268.2004.00089.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1467-8268.2004.00089.x","pdf_url":null,"source":{"id":"https://openalex.org/S33443600","display_name":"African Development Review","issn_l":"1017-6772","issn":["1017-6772","1467-8268"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-c","anvur-scientific","cwts-core","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"African Development Review","raw_type":"journal-article"},"volume":null,"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/A5110301309","display_name":"Guy Blaise Nkamleu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210141162","display_name":"International Institute of Tropical Agriculture","ror":"https://ror.org/03kss9p24","country_code":"CM","type":"nonprofit","lineage":["https://openalex.org/I1286583668","https://openalex.org/I4210141162","https://openalex.org/I64180646"]},{"id":"https://openalex.org/I4400600960","display_name":"Universit\u00e9 de Yaound\u00e9 II","ror":"https://ror.org/0479azd18","country_code":"CM","type":"education","lineage":["https://openalex.org/I4400600960"]}],"countries":["CM"],"is_corresponding":true,"raw_author_name":"Guy Blaise Nkamleu","raw_affiliation_strings":["1\n            \nUniversity of Yaounde\u0301 II and International Institute of Tropical Agriculture (IITA/Cameroun), Cameroon","1\n            \nUniversity of Yaound\u00e9 II and International Institute of Tropical Agriculture (IITA/Cameroun), Cameroon"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"1\n            \nUniversity of Yaounde\u0301 II and International Institute of Tropical Agriculture (IITA/Cameroun), Cameroon","institution_ids":["https://openalex.org/I4210141162","https://openalex.org/I4400600960"]},{"raw_affiliation_string":"1\n            \nUniversity of Yaound\u00e9 II and International Institute of Tropical Agriculture (IITA/Cameroun), Cameroon","institution_ids":["https://openalex.org/I4210141162","https://openalex.org/I4400600960"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5110301309"],"corresponding_institution_ids":["https://openalex.org/I4210141162","https://openalex.org/I4400600960"],"apc_list":{"value":3700,"currency":"USD","value_usd":3700},"apc_paid":null,"fwci":5.7995,"has_fulltext":false,"cited_by_count":137,"citation_normalized_percentile":{"value":0.95637103,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"16","issue":"1","first_page":"203","last_page":"222"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10357","display_name":"Efficiency Analysis Using DEA","score":0.9970999956130981,"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":0.9970999956130981,"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/T13508","display_name":"Agricultural Economics and Practices","score":0.0019000000320374966,"subfield":{"id":"https://openalex.org/subfields/1100","display_name":"General Agricultural and Biological Sciences"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10393","display_name":"Economic Growth and Productivity","score":0.0005000000237487257,"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/total-factor-productivity","display_name":"total factor productivity","score":0.8700000047683716},{"id":"https://openalex.org/keywords/technological-change","display_name":"technological change","score":0.824999988079071},{"id":"https://openalex.org/keywords/efficiency-change","display_name":"efficiency change","score":0.7950000166893005},{"id":"https://openalex.org/keywords/agricultural-productivity-growth","display_name":"agricultural productivity growth","score":0.7889999747276306},{"id":"https://openalex.org/keywords/african-agriculture","display_name":"African agriculture","score":0.7179999947547913},{"id":"https://openalex.org/keywords/sub-saharan-africa","display_name":"sub-Saharan Africa","score":0.8730000257492065},{"id":"https://openalex.org/keywords/maghreb","display_name":"Maghreb","score":0.9229999780654907},{"id":"https://openalex.org/keywords/productivity-decomposition","display_name":"productivity decomposition","score":0.6949999928474426},{"id":"https://openalex.org/keywords/agroecological-factors","display_name":"agroecological factors","score":0.8370000123977661}],"concepts":[{"id":"https://openalex.org/C22088475","wikidata":"https://www.wikidata.org/wiki/Q647974","display_name":"Data envelopment analysis","level":2,"score":0.8059538006782532},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.7617567777633667},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.7006334066390991},{"id":"https://openalex.org/C120009192","wikidata":"https://www.wikidata.org/wiki/Q1936153","display_name":"Total factor productivity","level":3,"score":0.6741399168968201},{"id":"https://openalex.org/C2777098202","wikidata":"https://www.wikidata.org/wiki/Q7692324","display_name":"Technical change","level":3,"score":0.6211040019989014},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.5735181570053101},{"id":"https://openalex.org/C128383755","wikidata":"https://www.wikidata.org/wiki/Q3816336","display_name":"Agricultural productivity","level":3,"score":0.5640696287155151},{"id":"https://openalex.org/C2779578543","wikidata":"https://www.wikidata.org/wiki/Q1605334","display_name":"Technical progress","level":2,"score":0.562265932559967},{"id":"https://openalex.org/C137996800","wikidata":"https://www.wikidata.org/wiki/Q762702","display_name":"Technological change","level":2,"score":0.5120278000831604},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5102190971374512},{"id":"https://openalex.org/C48824518","wikidata":"https://www.wikidata.org/wiki/Q396340","display_name":"Agricultural economics","level":1,"score":0.377327561378479},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.2434672713279724},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.16713166236877441},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.16415813565254211},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12811347842216492},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08392369747161865},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.06797203421592712},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1111/j.1467-8268.2004.00089.x","doi":"https://doi.org/10.1111/j.1467-8268.2004.00089.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1467-8268.2004.00089.x","pdf_url":null,"source":{"id":"https://openalex.org/S33443600","display_name":"African Development Review","issn_l":"1017-6772","issn":["1017-6772","1467-8268"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-c","anvur-scientific","cwts-core","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"African Development Review","raw_type":"journal-article"},{"id":"pmh:oai:cgspace.cgiar.org:10568/103359","doi":null,"is_oa":false,"landing_page_url":"https://hdl.handle.net/10568/103359","pdf_url":null,"source":{"id":"https://openalex.org/S4306402055","display_name":"CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1286583668","host_organization_name":"CGIAR","host_organization_lineage":["https://openalex.org/I1286583668"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Nkamleu, G.B. (2004). Productivity growth, technical progress and efficiency change in African agriculture. African Development Review, 16(1), 203-222.","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7257999777793884,"display_name":"Decent work and economic growth","id":"https://metadata.un.org/sdg/8"},{"score":0.6735000014305115,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"},{"score":0.4943999946117401,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"sustainable_development_goals_aurora":[{"score":0.5299999713897705,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W561176579","https://openalex.org/W1508548089","https://openalex.org/W1525585147","https://openalex.org/W1570486509","https://openalex.org/W1987418302","https://openalex.org/W2036324612","https://openalex.org/W2036507735","https://openalex.org/W2041362405","https://openalex.org/W2073211111","https://openalex.org/W2081541758","https://openalex.org/W2092354743","https://openalex.org/W2093093383","https://openalex.org/W2094586204","https://openalex.org/W2108127960","https://openalex.org/W2109893335","https://openalex.org/W2111014981","https://openalex.org/W2125500020","https://openalex.org/W2129319513","https://openalex.org/W2145741902","https://openalex.org/W2162180338","https://openalex.org/W2162808211","https://openalex.org/W2167405658","https://openalex.org/W2168855614","https://openalex.org/W2171171777","https://openalex.org/W2305996201","https://openalex.org/W2314428708","https://openalex.org/W2331489224","https://openalex.org/W2955532644","https://openalex.org/W2980901311","https://openalex.org/W3141897578","https://openalex.org/W4206390977","https://openalex.org/W4240050189","https://openalex.org/W4250420276"],"related_works":["https://openalex.org/W7099805085","https://openalex.org/W2461768969","https://openalex.org/W1498032638","https://openalex.org/W1509028452","https://openalex.org/W2131087011","https://openalex.org/W984445805","https://openalex.org/W7111017725","https://openalex.org/W1512587261","https://openalex.org/W4365513461","https://openalex.org/W4247113989"],"abstract_inverted_index":{"Abstract:":[0],"The":[1,26,45,55,105,124],"paper":[2,27],"examines":[3],"the":[4,21,50,64,90,113,120,128,135,148,162,170],"economic":[5],"performance":[6,88],"of":[7,11,60,89,138,140,143,166,184],"a":[8,80,108],"large":[9],"number":[10],"African":[12],"countries":[13,62],"using":[14,49],"an":[15],"international":[16],"comparable":[17],"data":[18,51,59],"set":[19],"and":[20,35,41,115,122],"latest":[22],"technique":[23],"for":[24],"analysis.":[25],"focuses":[28],"on":[29],"growth":[30],"in":[31,83,98,110,112,151,155],"total":[32,75,144],"factor":[33,76,145],"productivity":[34,77,111,146,167,186],"its":[36],"decomposition":[37],"into":[38],"technical":[39,99,103,131],"change":[40,43,132,159],"efficiency":[42,100],"components.":[44],"analysis":[46,53],"is":[47],"undertaken":[48],"envelopment":[52],"(DEA).":[54],"present":[56],"study":[57,125],"uses":[58],"16":[61],"over":[63],"period":[65,150],"1970\u20132001.":[66],"It":[67],"was":[68,93],"found":[69],"that,":[70],"globally,":[71],"during":[72,119,147],"that":[73,130,173],"period,":[74],"has":[78,133,160],"experienced":[79],"positive":[81],"evolution":[82],"sampled":[84],"countries.":[85],"This":[86],"good":[87,96],"agricultural":[91,185],"sector":[92],"due":[94],"to":[95],"progress":[97,118],"rather":[101],"than":[102],"progress.":[104],"region":[106],"suffered":[107],"regression":[109],"1970s,":[114],"made":[116],"some":[117],"1980s":[121],"1990s.":[123],"also":[126],"highlights":[127],"fact":[129],"been":[134,161],"main":[136,163],"constraint":[137],"achievement":[139],"high":[141],"levels":[142],"reference":[149],"sub\u2010Saharan":[152],"Africa.":[153],"Contrariwise,":[154],"Maghreb":[156],"countries,":[157],"technological":[158],"driving":[164],"force":[165],"growth.":[168,187],"Finally,":[169],"results":[171],"indicate":[172],"institutional":[174],"factors":[175,180],"as":[176,178],"well":[177],"agro\u2010ecological":[179],"are":[181],"important":[182],"determinants":[183]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":12},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":8},{"year":2013,"cited_by_count":9},{"year":2012,"cited_by_count":6}],"updated_date":"2026-10-27T15:51:10.671819","created_date":"2016-06-24T00:00:00"}
