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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
27/04/2011 |
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Data da última atualização: |
01/07/2011 |
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Autoria: |
COOK, W. D.; ZHU, J. |
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Título: |
Data envelopment analysis: modeling operational processes and measuring productivity. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
Lexington:Deafrontier, 2008. |
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Páginas: |
248 p. |
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Idioma: |
Português |
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Conteúdo: |
Data Envelopment Analysis (DEA) is a relatively new ?data oriented? approach for evaluating the performance of a set of peer entities called Decision Making Units (DMUs) which convert multiple inputs into multiple outputs. The definition of a DMU is generic and flexible. Recent years have seen a great variety of applications of DEA for use in evaluating the performances of many different kinds of entities engaged in many different activities in many different contexts in many different countries. These DEA applications have used DMUs of various forms to evaluate the performance of entities, such as hospitals, US Air Force wings, universities, cities, courts, business firms, and others, including the performance of countries, regions, etc. Because it requires very few assumptions, DEA has also opened up possibilities for use in cases which have been resistant to other approaches because of the complex (often unknown) nature of the relations between the multiple inputs and multiple outputs involved in DMUs; As pointed out in Cooper, Seiford and Tone (2000), DEA has also been used to supply new insights into activities (and entities) that have previously been evaluated by other methods. For instance, studies of benchmarking practices with DEA have identified numerous sources of inefficiency in some of the most profitable firms firms that had served as benchmarks by reference to this (profitability) criterion ? and this has provided a vehicle for identifying better benchmarks in many applied studies. Because of these possibilities, DEA studies of the efficiency of different legal organization forms such as "stock" vs. "mutual" insurance companies have shown that previous studies have fallen short in their attempts to evaluate the potentials of these different forms of organizations. Similarly, a use of DEA has suggested reconsideration of previous studies of the efficiency with which pre- and post-merger activities have been conducted in banks that were studied by DEA; Since DEA in its present form was first introduced in 1978, researchers in a number of fields have quickly recognized that it is an excellent and easily used methodology for modeling operational processes for performance evaluations. This has been accompanied by other developments. For instance, Zhu (2002) provides a number of DEA spreadsheet models that can be used in performance evaluation and benchmarking. DEA?s empirical orientation and the absence of a need for the numerous a priori assumptions that accompany other approaches (such as standard forms of statistical regression analysis) have resulted in its use in a number of studies involving efficient frontier estimation in the governmental and nonprofit sector, in the regulated sector, and in the private sector. See, for instance, the use of DEA to guide removal of the Diet and other government agencies from Tokyo to locate a new capital in Japan, as described in Takamura and Tone (2003); In their originating study, Charnes, Cooper, and Rhodes (1978) described DEA as a ?mathematical programming model applied to observational data [that] provides a new way of obtaining empirical estimates of relations - such as the production functions and/or efficient production possibility surfaces ? that are cornerstones of modern economics?. MenosData Envelopment Analysis (DEA) is a relatively new ?data oriented? approach for evaluating the performance of a set of peer entities called Decision Making Units (DMUs) which convert multiple inputs into multiple outputs. The definition of a DMU is generic and flexible. Recent years have seen a great variety of applications of DEA for use in evaluating the performances of many different kinds of entities engaged in many different activities in many different contexts in many different countries. These DEA applications have used DMUs of various forms to evaluate the performance of entities, such as hospitals, US Air Force wings, universities, cities, courts, business firms, and others, including the performance of countries, regions, etc. Because it requires very few assumptions, DEA has also opened up possibilities for use in cases which have been resistant to other approaches because of the complex (often unknown) nature of the relations between the multiple inputs and multiple outputs involved in DMUs; As pointed out in Cooper, Seiford and Tone (2000), DEA has also been used to supply new insights into activities (and entities) that have previously been evaluated by other methods. For instance, studies of benchmarking practices with DEA have identified numerous sources of inefficiency in some of the most profitable firms firms that had served as benchmarks by reference to this (profitability) criterion ? and this has provided a vehicle for identifying better benchmarks in... Mostrar Tudo |
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Palavras-Chave: |
Data development analysis; Measuring productivity; Modeling operational. |
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Categoria do assunto: |
E Economia e Indústria Agrícola |
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Marc: |
LEADER 03782nam a2200169 a 4500
001 1887015
005 2011-07-01
008 2008 bl uuuu 00u1 u #d
100 1 $aCOOK, W. D.
245 $aData envelopment analysis$bmodeling operational processes and measuring productivity.
260 $aLexington:Deafrontier$c2008
300 $a248 p.
520 $aData Envelopment Analysis (DEA) is a relatively new ?data oriented? approach for evaluating the performance of a set of peer entities called Decision Making Units (DMUs) which convert multiple inputs into multiple outputs. The definition of a DMU is generic and flexible. Recent years have seen a great variety of applications of DEA for use in evaluating the performances of many different kinds of entities engaged in many different activities in many different contexts in many different countries. These DEA applications have used DMUs of various forms to evaluate the performance of entities, such as hospitals, US Air Force wings, universities, cities, courts, business firms, and others, including the performance of countries, regions, etc. Because it requires very few assumptions, DEA has also opened up possibilities for use in cases which have been resistant to other approaches because of the complex (often unknown) nature of the relations between the multiple inputs and multiple outputs involved in DMUs; As pointed out in Cooper, Seiford and Tone (2000), DEA has also been used to supply new insights into activities (and entities) that have previously been evaluated by other methods. For instance, studies of benchmarking practices with DEA have identified numerous sources of inefficiency in some of the most profitable firms firms that had served as benchmarks by reference to this (profitability) criterion ? and this has provided a vehicle for identifying better benchmarks in many applied studies. Because of these possibilities, DEA studies of the efficiency of different legal organization forms such as "stock" vs. "mutual" insurance companies have shown that previous studies have fallen short in their attempts to evaluate the potentials of these different forms of organizations. Similarly, a use of DEA has suggested reconsideration of previous studies of the efficiency with which pre- and post-merger activities have been conducted in banks that were studied by DEA; Since DEA in its present form was first introduced in 1978, researchers in a number of fields have quickly recognized that it is an excellent and easily used methodology for modeling operational processes for performance evaluations. This has been accompanied by other developments. For instance, Zhu (2002) provides a number of DEA spreadsheet models that can be used in performance evaluation and benchmarking. DEA?s empirical orientation and the absence of a need for the numerous a priori assumptions that accompany other approaches (such as standard forms of statistical regression analysis) have resulted in its use in a number of studies involving efficient frontier estimation in the governmental and nonprofit sector, in the regulated sector, and in the private sector. See, for instance, the use of DEA to guide removal of the Diet and other government agencies from Tokyo to locate a new capital in Japan, as described in Takamura and Tone (2003); In their originating study, Charnes, Cooper, and Rhodes (1978) described DEA as a ?mathematical programming model applied to observational data [that] provides a new way of obtaining empirical estimates of relations - such as the production functions and/or efficient production possibility surfaces ? that are cornerstones of modern economics?.
653 $aData development analysis
653 $aMeasuring productivity
653 $aModeling operational
700 1 $aZHU, J.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agropecuária Oeste. Para informações adicionais entre em contato com cpao.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agropecuária Oeste. |
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Data corrente: |
10/01/2017 |
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Data da última atualização: |
10/01/2017 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SANTANA, F. M.; LAU, D.; SOUZA, N. R.; SCHIPANSKI, A.; GOULART, A. C. P.; SUSSEL, A. A. B.; CUSTODIO, A. A. P.; SEIXAS, C. D. S.; UTIAMADA, C.; TORRES, G. A. M.; COELHO, M. A. O.; MONTECELLI, T.; STORY, W. |
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Afiliação: |
FLAVIO MARTINS SANTANA, CNPT; DOUGLAS LAU, CNPT; UFSC; FUNDAÇÃO ABC; AUGUSTO CESAR PEREIRA GOULART, CPAO; ANGELO APARECIDO BARBOSA SUSSEL, CPAC; IAPAR; CLAUDINE DINALI SANTOS SEIXAS, CNPSO; TAGRO; GISELE ABIGAIL MONTAN TORRES, CNPT; EPAMIG; COODETEC; CWR PESQUISA AGRÍCOLA LTDA. |
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Título: |
Efficacy of fungicides for the control of wheat blast: collaborative tests results. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
In: INTERNATIONAL SYMPOSIUM ON FUSARIUM HEAD BLIGHT, 5.; INTERNATIONAL WORKSHOP ON WHEAT BLAST, 2., 2016, Florianópolis. Book of abstracts... Passo Fundo: Ed. Universidade de Passo Fundo: Embrapa Trigo; Viçosa, MG: Universidade Federal de Viçosa, 2016. p. 153, abst. P89. |
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Idioma: |
Inglês |
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Notas: |
2nd International Workshop on Wheat Blast. |
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Palavras-Chave: |
Blast; Disease; Fungicide. |
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Thesagro: |
Brusone; Doença; Fungicida; Trigo. |
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Thesaurus NAL: |
wheat. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 01208naa a2200361 a 4500
001 2060305
005 2017-01-10
008 2016 bl uuuu u00u1 u #d
100 1 $aSANTANA, F. M.
245 $aEfficacy of fungicides for the control of wheat blast$bcollaborative tests results.$h[electronic resource]
260 $c2016
500 $a2nd International Workshop on Wheat Blast.
650 $awheat
650 $aBrusone
650 $aDoença
650 $aFungicida
650 $aTrigo
653 $aBlast
653 $aDisease
653 $aFungicide
700 1 $aLAU, D.
700 1 $aSOUZA, N. R.
700 1 $aSCHIPANSKI, A.
700 1 $aGOULART, A. C. P.
700 1 $aSUSSEL, A. A. B.
700 1 $aCUSTODIO, A. A. P.
700 1 $aSEIXAS, C. D. S.
700 1 $aUTIAMADA, C.
700 1 $aTORRES, G. A. M.
700 1 $aCOELHO, M. A. O.
700 1 $aMONTECELLI, T.
700 1 $aSTORY, W.
773 $tIn: INTERNATIONAL SYMPOSIUM ON FUSARIUM HEAD BLIGHT, 5.; INTERNATIONAL WORKSHOP ON WHEAT BLAST, 2., 2016, Florianópolis. Book of abstracts... Passo Fundo: Ed. Universidade de Passo Fundo: Embrapa Trigo; Viçosa, MG: Universidade Federal de Viçosa, 2016. p. 153, abst. P89.
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