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Stochastic frontier approach to agricultural production including technical effects: the brazilian agricultural censures of 1995-1996 and 2006. Author(s): SOUZA, G. da S. e; ALVES, E. R. de A.; GOMES, E. G. In this paper we analyze the impact of Embrapa’s research on the technical efficiencies of Brazilian farmers, particularly the poor. Using a stochastic frontier approach, we estimate a production func... ... Repository: BDPA Publication year: 2013
Using stochastic frontier approach to assess technical efficiency in Brazilian agriculture. Author(s): SOUZA, G. da S. e; WANDER, A. E.; GOMES, E. G.; GAZZOLA, R. Repository: BDPA Publication year: 2009
Technical efficiency in brazilian agriculture: a stochastic frontier approach. Author(s): SOUZA, G. da S. e; GOMES, E. G.; GAZZOLA, R.; SOUZA, R. da S. e; OLIVEIRA, M. P. Repository: BDPA Publication year: 2009
A parametric approach for evaluating the technical efficiency of the brazilian agricultural sector. Author(s): SOUZA, G. da S. e; GOMES, E. G.; GAZZOLA, R.; WANDER, A. E.; SOUZA, R. da S. In this study we assessed the technical efficiency of the 27 Brazilian states in the years 1995/96 and 2006. The ata on land and labor were otained from the agricultural census of the two considered p... ... Repository: BDPA Publication year: 2009
Eficiência técnica na produção de manga em Petrolina (PE). Author(s): FERREIRA, C. B.; ARAÚJO, J. A.; LIMA, J. R. F. de Neste estudo será abordada a produção total dos fatores (PTF) na produção de manga no semiárido brasileiro, em específico no Vale do Submédio São Francisco. A maior demanda por produtos agroalimentare... ... Repository: BDPA Publication year: 2014
Eficiência técnica na produção de manga: um estudo de caso no Distrito de Irrigação Senador Nilo Coelho em Pernambuco. Author(s): FERREIRA, C. B.; ARAÚJO, J. A.; LIMA, J. R. F. de A maior demanda por produtos agroalimentares de qualidade vem ocasionando mudanças significativas no comportamento da oferta de frutas no mundo inteiro. Neste contexto se encaixa o Vale do Submédio Sã... ... Repository: BDPA Publication year: 2015
The effect of marketing imperfection variables on production in the context of brazilian agriculture. Author(s): SOUZA, G. da S. e; GOMES, E. G. In the context of the Brazilian agriculture it is of importance for policy maker s the assessment of the effect on production of variables related to market imperfections. Market imperfection or asymm... ... Repository: BDPA Publication year: 2018
A probabilistic approach for assessing the significance of contextual variables in nonparametric frontier models: an application to brazilian banks. Author(s): SOUZA, G. da S. e; STAUB, R. B.; TABAK, B. M. Repository: BDPA Publication year: 2008
Improving agricultural economic efficiency in Brazil. Author(s): SOUZA, G. da S. e; GOMES, E. G. In this article, we use Brazilian census data (1995/1996 and 2006) to model agricultural production at the state level in Brazil. Cost-efficiency measurements are computed using data envelopment analy... ... Repository: BDPA Publication year: 2015
In silico approach for viral mutations and sustainability of immunizations. Author(s): CASTRO, A. de In this paper we use virtual samples of individuals and a dynamical modeling proposed in a previous study to study the behavior of immune memory against antigenic mutation. Repository: BDPA Publication year: 2015

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