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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
12/06/1998 |
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Data da última atualização: |
12/12/2007 |
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Autoria: |
TEIXEIRA, S. M. |
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Título: |
Income, family composition and social factors as variables in an expenditure model: the case of Brazil. |
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Ano de publicação: |
1979 |
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Fonte/Imprenta: |
1979. |
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Páginas: |
158p. |
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Idioma: |
Inglês |
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Notas: |
Tese (Doutorado) - Purdue: Purdue University, |
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Conteúdo: |
This study is concerned with the estimation of the effects of socio-economic variables on household consumption. The procedure used incorporates household composition into a household utility function.The effects of household composition and social factors are then estimated by adult equivalent scales with the demand equations derived from the utility maximization problem subject to income constraints. The utility function incorporates the socio-economic variables namely income, family composition, formal education of the family head and house-wife, and employment status of the head and housewife, resulting in a linear expenditure model to be estimated. Due to nonlinearities in the coefficients, an interative procedure is employed to estimate the adult equivalent parameter which is incorporated into the final specification of the model. The data comprise a sample of 2,542 urban households from three capital cities in Brazil: Rio de Janeiro (1,000 families), Porto Alegre (726 families), and Recife ( 726 families), obtained from the ECIEL Survey by the Brookings Institution in connection with a Brazilian research foundation- Getulio Vargas Foundation (FGV) performed in 1968. The model is estimated for a group of 16 comodity categories. The overall results of the estimation appear reasonable, although the coefficients for the adult equivalent scale components for nonfood commodities presented unexpected signs and large standard errors. The income coefficient proved to be highly relevant and estimates of commodity coefficients for the city of Rio de Janeiro resulted in extremely low values as compared to the other two cities. Further analysis was undertaken for that specific parameter and the large dispersion of the income distribution suggested the deletion of data for five very high income families. The analysis, after deletion of these five observations, presented more consistent results when compared to the other two samples. Both results for the overall sample and the deleted obsrvations are presented. The functional form of the model is based on the work of Buse and Salathe (9) for expenditure on food commodities in the U.S. The approach in this study modifies and extends their work by changing the age ranges and applying the procedure to other commodity categories. Illustrations are given of the adult equivalent scales using the results of the study for the 16 commodity groups. For the nonfood commodities, the hypothesized functional form the adult equivalent scale generated unexpected results. This was regarded to be due in pate to the unrestricted signs for the coefficients in the equations, and in part to the unreliability of the data for selected commodity categories. MenosThis study is concerned with the estimation of the effects of socio-economic variables on household consumption. The procedure used incorporates household composition into a household utility function.The effects of household composition and social factors are then estimated by adult equivalent scales with the demand equations derived from the utility maximization problem subject to income constraints. The utility function incorporates the socio-economic variables namely income, family composition, formal education of the family head and house-wife, and employment status of the head and housewife, resulting in a linear expenditure model to be estimated. Due to nonlinearities in the coefficients, an interative procedure is employed to estimate the adult equivalent parameter which is incorporated into the final specification of the model. The data comprise a sample of 2,542 urban households from three capital cities in Brazil: Rio de Janeiro (1,000 families), Porto Alegre (726 families), and Recife ( 726 families), obtained from the ECIEL Survey by the Brookings Institution in connection with a Brazilian research foundation- Getulio Vargas Foundation (FGV) performed in 1968. The model is estimated for a group of 16 comodity categories. The overall results of the estimation appear reasonable, although the coefficients for the adult equivalent scale components for nonfood commodities presented unexpected signs and large standard errors. The income coefficient proved to be highl... Mostrar Tudo |
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Palavras-Chave: |
Family salary; Salário família. |
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Thesagro: |
Política Econômica. |
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Thesaurus Nal: |
economic policy. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 03262nam a2200181 a 4500
001 1091653
005 2007-12-12
008 1979 bl uuuu m 00u1 u #d
100 1 $aTEIXEIRA, S. M.
245 $aIncome, family composition and social factors as variables in an expenditure model$bthe case of Brazil.
260 $a1979.$c1979
300 $a158p.
500 $aTese (Doutorado) - Purdue: Purdue University,
520 $aThis study is concerned with the estimation of the effects of socio-economic variables on household consumption. The procedure used incorporates household composition into a household utility function.The effects of household composition and social factors are then estimated by adult equivalent scales with the demand equations derived from the utility maximization problem subject to income constraints. The utility function incorporates the socio-economic variables namely income, family composition, formal education of the family head and house-wife, and employment status of the head and housewife, resulting in a linear expenditure model to be estimated. Due to nonlinearities in the coefficients, an interative procedure is employed to estimate the adult equivalent parameter which is incorporated into the final specification of the model. The data comprise a sample of 2,542 urban households from three capital cities in Brazil: Rio de Janeiro (1,000 families), Porto Alegre (726 families), and Recife ( 726 families), obtained from the ECIEL Survey by the Brookings Institution in connection with a Brazilian research foundation- Getulio Vargas Foundation (FGV) performed in 1968. The model is estimated for a group of 16 comodity categories. The overall results of the estimation appear reasonable, although the coefficients for the adult equivalent scale components for nonfood commodities presented unexpected signs and large standard errors. The income coefficient proved to be highly relevant and estimates of commodity coefficients for the city of Rio de Janeiro resulted in extremely low values as compared to the other two cities. Further analysis was undertaken for that specific parameter and the large dispersion of the income distribution suggested the deletion of data for five very high income families. The analysis, after deletion of these five observations, presented more consistent results when compared to the other two samples. Both results for the overall sample and the deleted obsrvations are presented. The functional form of the model is based on the work of Buse and Salathe (9) for expenditure on food commodities in the U.S. The approach in this study modifies and extends their work by changing the age ranges and applying the procedure to other commodity categories. Illustrations are given of the adult equivalent scales using the results of the study for the 16 commodity groups. For the nonfood commodities, the hypothesized functional form the adult equivalent scale generated unexpected results. This was regarded to be due in pate to the unrestricted signs for the coefficients in the equations, and in part to the unreliability of the data for selected commodity categories.
650 $aeconomic policy
650 $aPolítica Econômica
653 $aFamily salary
653 $aSalário família
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Agricultura Digital; Embrapa Cerrados; Embrapa Florestas; Embrapa Gado de Leite; Embrapa Instrumentação; Embrapa Soja. |
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Data corrente: |
11/12/2017 |
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Data da última atualização: |
11/12/2017 |
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Tipo da produção científica: |
Documentos |
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Autoria: |
SOUZA, K. X. S. de; OLIVEIRA JUNIOR, A. de; CARROMEU, C.; OLIVEIRA, E. B. de; D'OLIVEIRA, F. M.; FALEIRO, F. G.; JORGE, L. A. de C.; ARBEX, W. A. |
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Afiliação: |
KLEBER XAVIER SAMPAIO DE SOUZA, CNPTIA; ADILSON DE OLIVEIRA JUNIOR, CNPSO; CAMILO CARROMEU, CNPGC; EDILSON BATISTA DE OLIVEIRA, CNPF; FABIANO MARIATH D OLIVEIRA, DTI; FABIO GELAPE FALEIRO, CPAC; LUCIO ANDRE DE CASTRO JORGE, CNPDIA; WAGNER ANTONIO ARBEX, CNPGL. |
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Título: |
Tecnologia da Informação na Agropecuária - estado da arte, tendências futuras e proposta de atuação. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Campinas: Embrapa Informática Agropecuária, 2017. |
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Páginas: |
50 p. |
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Descrição Física: |
il. |
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Série: |
(Embrapa informática Agropecuária. Documentos, 154). |
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Idioma: |
Português |
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Conteúdo: |
O presente trabalho discute o papel da TI como ferramenta central na pesquisa, desenvolvimento e inovação na agropecuária e propõe a criação de um Portfólio de TI como forma de catalisar e estruturar as ações desta área na Empresa Brasileira de Pesquisa Agropecuária (Embrapa). Para sua elaboração foram analisados estudos prospectivos desenvolvidos por organismos nacionais e internacionais, e consultadas todas as Unidades da Embrapa. |
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Palavras-Chave: |
Big data; Ciência da computação. |
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Thesagro: |
Tecnologia da informação. |
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Thesaurus NAL: |
Computer science; Information technology. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/168581/1/Doc154-Kleber-etal.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/169107/1/P-Tecnologia-da-informacao...-Documentos.pdf
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Marc: |
LEADER 01347nam a2200277 a 4500
001 2082057
005 2017-12-11
008 2017 bl uuuu 00u1 u #d
100 1 $aSOUZA, K. X. S. de
245 $aTecnologia da Informação na Agropecuária - estado da arte, tendências futuras e proposta de atuação.$h[electronic resource]
260 $aCampinas: Embrapa Informática Agropecuária$c2017
300 $a50 p.$cil.
490 $a(Embrapa informática Agropecuária. Documentos, 154).
520 $aO presente trabalho discute o papel da TI como ferramenta central na pesquisa, desenvolvimento e inovação na agropecuária e propõe a criação de um Portfólio de TI como forma de catalisar e estruturar as ações desta área na Empresa Brasileira de Pesquisa Agropecuária (Embrapa). Para sua elaboração foram analisados estudos prospectivos desenvolvidos por organismos nacionais e internacionais, e consultadas todas as Unidades da Embrapa.
650 $aComputer science
650 $aInformation technology
650 $aTecnologia da informação
653 $aBig data
653 $aCiência da computação
700 1 $aOLIVEIRA JUNIOR, A. de
700 1 $aCARROMEU, C.
700 1 $aOLIVEIRA, E. B. de
700 1 $aD'OLIVEIRA, F. M.
700 1 $aFALEIRO, F. G.
700 1 $aJORGE, L. A. de C.
700 1 $aARBEX, W. A.
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Embrapa Agricultura Digital (CNPTIA) |
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