{"id":"https://openalex.org/W2994597398","doi":null,"title":"Technical efficiency of maize producing farmers in Arsi Negelle, central rift valley of Ethiopia: stochastic frontier approach.","display_name":"Technical efficiency of maize producing farmers in Arsi Negelle, central rift valley of Ethiopia: stochastic frontier approach.","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W2994597398","mag":"2994597398"},"language":"en","primary_location":{"id":"mag:2994597398","doi":null,"is_oa":false,"landing_page_url":"https://www.cabdirect.org/cabdirect/abstract/20143303719","pdf_url":null,"source":{"id":"https://openalex.org/S2764498445","display_name":"The Journal Agriculture and Forestry","issn_l":"0554-5579","issn":["0554-5579","1800-9492"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","norway-1","poland-20","russia-white-list-2"],"host_organization":"https://openalex.org/P4310314853","host_organization_name":"University of Montenegro","host_organization_lineage":["https://openalex.org/P4310314853"],"host_organization_lineage_names":["University of Montenegro"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Journal Agriculture and Forestry","raw_type":null},"volume":null,"type":"article","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/A5000902406","display_name":"Musa Hasen Ahmed","orcid":"https://orcid.org/0000-0002-8880-9933","observed_orcids":["https://orcid.org/0000-0002-8880-9933","https://orcid.org/0000-0001-6804-6708"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Musa Hasen Ahmed","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-8880-9933","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081779421","display_name":"Zemedu Lemma","orcid":"https://orcid.org/0000-0001-8636-7329","observed_orcids":["https://orcid.org/0000-0001-8636-7329"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zemedu Lemma","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5015210544","display_name":"Endrias Geta","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Geta Endrias","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":2.1056,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.88898265,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"60","issue":"1","first_page":"157","last_page":"167"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10357","display_name":"Efficiency Analysis Using DEA","score":0.9945999979972839,"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":0.9945999979972839,"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/T10367","display_name":"Agricultural Innovations and Practices","score":0.002400000113993883,"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/T11805","display_name":"Agricultural economics and policies","score":0.0010999999940395355,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/technical-efficiency","display_name":"technical efficiency","score":0.9810000061988831},{"id":"https://openalex.org/keywords/maize-production","display_name":"maize production","score":0.996999979019165},{"id":"https://openalex.org/keywords/smallholder-farmers","display_name":"smallholder farmers","score":0.9990000128746033},{"id":"https://openalex.org/keywords/stochastic-production-frontier","display_name":"stochastic production frontier","score":0.8980000019073486},{"id":"https://openalex.org/keywords/technical-inefficiency","display_name":"technical inefficiency","score":0.6970000267028809},{"id":"https://openalex.org/keywords/agricultural-extension","display_name":"agricultural extension","score":0.7390000224113464},{"id":"https://openalex.org/keywords/access-to-credit","display_name":"access to credit","score":0.9610000252723694},{"id":"https://openalex.org/keywords/distance-to-market","display_name":"distance to market","score":0.8180000185966492},{"id":"https://openalex.org/keywords/central-rift-valley-of-ethiopia","display_name":"Central Rift Valley of Ethiopia","score":0.6420000195503235}],"concepts":[{"id":"https://openalex.org/C2778869765","wikidata":"https://www.wikidata.org/wiki/Q6028363","display_name":"Inefficiency","level":2,"score":0.9375995993614197},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.6911444664001465},{"id":"https://openalex.org/C34778210","wikidata":"https://www.wikidata.org/wiki/Q376791","display_name":"Production\u2013possibility frontier","level":3,"score":0.6244223713874817},{"id":"https://openalex.org/C2778571376","wikidata":"https://www.wikidata.org/wiki/Q1355821","display_name":"Frontier","level":2,"score":0.5762075781822205},{"id":"https://openalex.org/C37621935","wikidata":"https://www.wikidata.org/wiki/Q3606845","display_name":"Agricultural science","level":1,"score":0.5137406587600708},{"id":"https://openalex.org/C48824518","wikidata":"https://www.wikidata.org/wiki/Q396340","display_name":"Agricultural economics","level":1,"score":0.48379844427108765},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.48116573691368103},{"id":"https://openalex.org/C29169499","wikidata":"https://www.wikidata.org/wiki/Q3304360","display_name":"Cross-sectional data","level":2,"score":0.421817421913147},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.421450674533844},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36983877420425415},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.23769932985305786},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.21973195672035217},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.19812113046646118},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.19490492343902588},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.09847253561019897},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.09179827570915222},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2994597398","doi":null,"is_oa":false,"landing_page_url":"https://www.cabdirect.org/cabdirect/abstract/20143303719","pdf_url":null,"source":{"id":"https://openalex.org/S2764498445","display_name":"The Journal Agriculture and Forestry","issn_l":"0554-5579","issn":["0554-5579","1800-9492"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","norway-1","poland-20","russia-white-list-2"],"host_organization":"https://openalex.org/P4310314853","host_organization_name":"University of Montenegro","host_organization_lineage":["https://openalex.org/P4310314853"],"host_organization_lineage_names":["University of Montenegro"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Journal Agriculture and Forestry","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.958299994468689,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"},{"score":0.666700005531311,"display_name":"No poverty","id":"https://metadata.un.org/sdg/1"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1490440132","https://openalex.org/W1494865442","https://openalex.org/W1521179821","https://openalex.org/W1538977332","https://openalex.org/W1996084279","https://openalex.org/W2038796879","https://openalex.org/W2060646203","https://openalex.org/W2146290589","https://openalex.org/W2183272610","https://openalex.org/W2969387026"],"related_works":["https://openalex.org/W7026741074","https://openalex.org/W1998421077","https://openalex.org/W3089359244","https://openalex.org/W1570695862","https://openalex.org/W2902278470","https://openalex.org/W2755691166","https://openalex.org/W2295914792","https://openalex.org/W3104455745","https://openalex.org/W2782145401","https://openalex.org/W6922690977"],"abstract_inverted_index":{"The":[0,35,83,130,154],"study":[1,194],"was":[2,103,124],"aimed":[3],"at":[4,230],"analysing":[5],"the":[6,39,48,53,56,79,91,97,114,121,160,183,187,193,203,213,220,231,235,248,255],"technical":[7,50,127],"efficiency":[8,51,184,204],"in":[9,15,55,116,189,192,219,234,251],"maize":[10,26,59,66,117,151,190],"production":[11,33,57,118,133,152,191],"of":[12,19,38,52,58,72,94,113,150,168,179,186,206,215,247,258],"smallholder":[13],"farmers":[14,28,54,188,210,218,259],"central":[16],"rift":[17],"valley":[18],"Ethiopia.":[20],"Cross":[21],"sectional":[22],"data":[23],"from":[24,96],"138":[25],"producer":[27],"were":[29],"collected":[30],"during":[31],"2011/12":[32],"season.":[34],"estimated":[36,131,155],"results":[37],"Cobb-Douglas":[40],"frontier":[41,98,134],"model":[42,136,157],"with":[43,159],"inefficiency":[44,128,161],"variables":[45],"shows":[46,163],"that":[47,65,109,139,164,223],"mean":[49],"is":[60],"88":[61],"percent.":[62,106],"This":[63,107],"implies":[64,108],"producers":[67],"can":[68,225,240],"reduce":[69],"current":[70],"level":[71,99,185,205,257],"input":[73],"application":[74],"by":[75,211],"12":[76],"percent":[77,112],"given":[78,200],"existing":[80],"technological":[81],"level.":[82,153],"discrepancy":[84],"ratio":[85],"gamma":[86],"(":[87],"),":[88],"which":[89],"measures":[90],"relative":[92],"deviation":[93],"output":[95],"due":[100],"to":[101,126,172,175,201,228,253],"inefficiency,":[102],"about":[104,110],"72.61":[105],"66":[111],"variation":[115],"(yield)":[119],"among":[120],"sample":[122],"respondents":[123],"attributed":[125],"effects.":[129],"stochastic":[132],"(SPF)":[135],"also":[137],"indicates":[138],"DAP":[140],"fertilizer,":[141],"Area,":[142],"Labor,":[143],"seed":[144],"and":[145,177],"oxen":[146],"are":[147],"significant":[148],"determinants":[149],"SPF":[156],"together":[158],"parameters":[162],"family":[165],"size,":[166],"frequency":[167],"extension":[169,238],"contact,":[170],"distance":[171],"market,":[173],"access":[174],"credit":[176],"number":[178],"weeding":[180],"significantly":[181],"determine":[182],"area.":[195],"Hence,":[196],"emphasis":[197],"should":[198],"be":[199,226,241],"improve":[202,254],"those":[207],"less":[208],"efficient":[209,217],"adopting":[212],"practices":[214,246],"relatively":[216],"area":[221],"so":[222],"they":[224],"able":[227],"operate":[229],"frontier.":[232],"Because":[233],"short":[236],"run":[237],"packages":[239],"designed":[242],"based":[243],"on":[244],"local":[245],"bestpracticed":[249],"farms":[250],"order":[252],"productivity":[256],"producing":[260],"maize.":[261]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1}],"updated_date":"2026-10-13T10:08:12.033832","created_date":"2019-12-13T00:00:00"}