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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
10/12/2021 |
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Data da última atualização: |
10/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOUZA, G. da S. e; GOMES, E. G.; ALVES, E. R. de A. |
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Afiliação: |
GERALDO DA SILVA E SOUZA, SIRE; ELIANE GONCALVES GOMES, SIRE; ELISEU ROBERTO DE ANDRADE ALVES, DE/PR. |
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Título: |
Two-part fractional regression model with conditional FDH responses: an application to Brazilian agriculture. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Annals of Operations Research, 2020. |
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DOI: |
https://doi.org/10.1007/s10479-020-03752-z |
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Idioma: |
Inglês |
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Notas: |
Published online: 10 August 2020. |
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Conteúdo: |
We extend the notion of a two-part fractional regression model with conditional free disposal hull efciency responses to accommodate two-stage regression analysis. The twopart regression model includes the binomial model with a nonlinear specifcation for the expected response in (0,1] and is a more general formulation in the context of fractional regressions. We use nonlinear least squares to assess the efect of covariates in the conditional efciency response. The approach is applied to Brazilian agricultural county data, as reported in the Brazilian agricultural census of 2006. The efciency measure is output oriented and assumes variable returns to scale. Output is rural gross income and inputs are land expenses, labor expenses and expenses on other technological inputs. The covariates afecting production are credit, technical assistance, a rural development index, income concentration, measured by the Gini index, and regional dummies. Overall Brazilian rural production performance responds positively to all covariates |
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Thesagro: |
Agricultura. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01637naa a2200181 a 4500
001 2137533
005 2021-12-10
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s10479-020-03752-z$2DOI
100 1 $aSOUZA, G. da S. e
245 $aTwo-part fractional regression model with conditional FDH responses$ban application to Brazilian agriculture.$h[electronic resource]
260 $c2020
500 $aPublished online: 10 August 2020.
520 $aWe extend the notion of a two-part fractional regression model with conditional free disposal hull efciency responses to accommodate two-stage regression analysis. The twopart regression model includes the binomial model with a nonlinear specifcation for the expected response in (0,1] and is a more general formulation in the context of fractional regressions. We use nonlinear least squares to assess the efect of covariates in the conditional efciency response. The approach is applied to Brazilian agricultural county data, as reported in the Brazilian agricultural census of 2006. The efciency measure is output oriented and assumes variable returns to scale. Output is rural gross income and inputs are land expenses, labor expenses and expenses on other technological inputs. The covariates afecting production are credit, technical assistance, a rural development index, income concentration, measured by the Gini index, and regional dummies. Overall Brazilian rural production performance responds positively to all covariates
650 $aAgricultura
700 1 $aGOMES, E. G.
700 1 $aALVES, E. R. de A.
773 $tAnnals of Operations Research, 2020.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
04/12/2017 |
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Data da última atualização: |
04/12/2017 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
ABAKERLI, R. B.; RODRIGUES, N. R.; MEDINA, V. M.; FAY, E. F.; SPARRAPAN, R.; EBERLIN, M. N.; SOUZA, D. R. C. de; RODRIGUES, E. G. R.; GALVÃO, T. D. L.; ROSA, M. A. |
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Afiliação: |
ROSANGELA BLOTA ABAKERLI, CNPMA; CPQBA/UNICAMP; VALDIQUE MARTINS MEDINA, CNPMF; ELISABETH FRANCISCONI FAY, CNPMA; CPQBA/UNICAMP; CPQBA/UNICAMP; CNPMA; CPQBA/UNICAMP; CNPMF; MARIA APARECIDA ROSA, CNPMA. |
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Título: |
Endogenous generation of CS2 during dithiocarbamate residue analysis in Carica papaya L. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
In: EUROPEAN PESTICIDE RESIDUE WORKSHOP PESTICIDES IN FOOD AND DRINK, 5., 2004, Stockholm, Sweden. Book of Abstracts... EPRW 2004, Scientific Organising Committee, Stockholm, Sweden. 2004. p. 68 |
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Idioma: |
Inglês |
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Palavras-Chave: |
Carica papaya L; Endogenous generation; Residue analysis. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/168023/1/2004SP-111-Abakerli-Endgenous-15893.pdf
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Marc: |
LEADER 00886nam a2200241 a 4500
001 2081317
005 2017-12-04
008 2004 bl uuuu u00u1 u #d
100 1 $aABAKERLI, R. B.
245 $aEndogenous generation of CS2 during dithiocarbamate residue analysis in Carica papaya L.$h[electronic resource]
260 $aIn: EUROPEAN PESTICIDE RESIDUE WORKSHOP PESTICIDES IN FOOD AND DRINK, 5., 2004, Stockholm, Sweden. Book of Abstracts... EPRW 2004, Scientific Organising Committee, Stockholm, Sweden. 2004. p. 68$c2004
653 $aCarica papaya L
653 $aEndogenous generation
653 $aResidue analysis
700 1 $aRODRIGUES, N. R.
700 1 $aMEDINA, V. M.
700 1 $aFAY, E. F.
700 1 $aSPARRAPAN, R.
700 1 $aEBERLIN, M. N.
700 1 $aSOUZA, D. R. C. de
700 1 $aRODRIGUES, E. G. R.
700 1 $aGALVÃO, T. D. L.
700 1 $aROSA, M. A.
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