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A geometrical approach for fuzzy DEA frontiers. Author(s): BIONDI NETO, L.; MELLO, J. C. C. B. S. de; MEZA, L. A.; GOMES, E. G. Interval DEA frontiers are here used in situation where one input or output is subject to uncertainty in its measurement and is presented as an interval data. We built an efficient frontier without an... ... Repository: BDPA Publication year: 2009
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
Hydraulic conductivity in sandy soils of the Brazilian agricultural frontier. Author(s): ALBANI, F. J. R.; DONAGEMMA, G. K. In this study, we investigate the correlations between SHC, measured as steady-state infiltration rate (SSIR), and soil physical attributes, such as texture, bulk density, and porosity, in sandy soils... ... Repository: BDPA Publication year: 2024
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
Prediction of genotypic values of maize for the agricultural frontier region in northeastern Maranhão, Brazil. Author(s): ARNHOLD, E.; MORA, F.; PACHECO, C. A. P.; CARVALHO, H. W. L. de Agricultural research, mainly focused on the evaluation of maize cultivars along agricultural frontiers, are scarce. This study assessed 128 maize genotypes in the agricultural frontier region of the... ... Repository: BDPA Publication year: 2012
Quantifying landscape degradation at a deforestation frontier in the Brazilian Amazon. Author(s): GARDNER, T.; NUNES, S.; FERRAZ, S.; CARDOSO, T.; BEGOTTI, R. A.; SIQUEIRA, J. V.; BARLOW, J.; BERENGUER, E.; FERREIRA, J.; LEES, A.; PARRY, L.; VENTURIERI, A.; SOUZA JUNIOR, C. Repository: BDPA Publication year: 2012
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
Plant diversity conservation in an agricultural frontier in the Brazilian Cerrado. Author(s): SANTANA, J. C. de O.; SIMON, M. F. Repository: BDPA Publication year: 2022
Examining the sustainability and development challenge in agricultural-forest frontiers of the Amazon Basin through the eyes of locals. Author(s): BLANCO-GUTIÉRREZ, I.; MANNERS, R.; VARELA-ORTEGA, C.; TARQUIS, A. M.; MARTORANO, L. G.; TOLEDO, M. The Amazon basin is the world's largest rainforest and the most biologically diverse place on Earth. Despite the critical importance of this region, Amazon forests continue inexorably to be degraded a... ... Repository: BDPA Publication year: 2020

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