{"title":"Proxy variable estimation of productivity and efficiency","authors":"M. Tsionas, S. Kumbhakar","doi":"10.1002/soej.12608","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":47946,"journal":{"name":"Southern Economic Journal","volume":" ","pages":""},"PeriodicalIF":1.8000,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Southern Economic Journal","FirstCategoryId":"96","ListUrlMain":"https://doi.org/10.1002/soej.12608","RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ECONOMICS","Score":null,"Total":0}
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