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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
14/10/2002 |
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Data da última atualização: |
13/03/2017 |
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Autoria: |
ALSTON, J. M.; PARDEY, P. G. |
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Título: |
Reassessing Research Returns: Attribution and Related Problems. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE OF AGRICULTURAL ECONOMISTS, 24., 2000, Berlin, Alemanha. Tomorrow's agriculture: incentives institutions infraestructure an innovations. [Ashgate]: International Association of Agricultural Economists Queen Elisabeth House: [S:l.]: University of Oxford, 2001. p.223-242. |
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Idioma: |
Inglês |
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Conteúdo: |
Studies of returns to agricultural research have yielded results suggesting that the investment has been enormously socially profitable. Many of the estimates are likely to have been biased upwards, hoiwever, as a result of attribution problems. The challenge is to determine what productivity growth would have been in the absence of a particular research investment. The typical approaches understate the period over which research affects productivity and, in econometric studies using time-series data, this means they over-state the shorter-term impacts, leading to overstated rates of return. Typical approaches also fail to take into account the effects of work done by others in the research-debelopment-extension continuum, and this gives too much credit to the particular investor being evaluated. Corresponding work remains to be done to establish the empirical imporatance of incomplete correction for loc ational spillovers of resdearch results in biasing estimated of return to research. |
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Palavras-Chave: |
Atribuicao; Attribution; Problemas relacionados; Related problems; Retorno; Return. |
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Thesagro: |
Agricultura; Pesquisa. |
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Thesaurus Nal: |
agricultural research. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01882naa a2200241 a 4500
001 1810414
005 2017-03-13
008 2001 bl --- 0-- u #d
100 1 $aALSTON, J. M.
245 $aReassessing Research Returns$bAttribution and Related Problems.
260 $c2001
520 $aStudies of returns to agricultural research have yielded results suggesting that the investment has been enormously socially profitable. Many of the estimates are likely to have been biased upwards, hoiwever, as a result of attribution problems. The challenge is to determine what productivity growth would have been in the absence of a particular research investment. The typical approaches understate the period over which research affects productivity and, in econometric studies using time-series data, this means they over-state the shorter-term impacts, leading to overstated rates of return. Typical approaches also fail to take into account the effects of work done by others in the research-debelopment-extension continuum, and this gives too much credit to the particular investor being evaluated. Corresponding work remains to be done to establish the empirical imporatance of incomplete correction for loc ational spillovers of resdearch results in biasing estimated of return to research.
650 $aagricultural research
650 $aAgricultura
650 $aPesquisa
653 $aAtribuicao
653 $aAttribution
653 $aProblemas relacionados
653 $aRelated problems
653 $aRetorno
653 $aReturn
700 1 $aPARDEY, P. G.
773 $tIn: INTERNATIONAL CONFERENCE OF AGRICULTURAL ECONOMISTS, 24., 2000, Berlin, Alemanha. Tomorrow's agriculture: incentives institutions infraestructure an innovations. [Ashgate]: International Association of Agricultural Economists Queen Elisabeth House: [S:l.]: University of Oxford, 2001. p.223-242.
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Embrapa Pantanal (CPAP) |
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