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Conditional FDH efficiency, income dispersion and market imperfections: the case of the Brazilian agricultural census of 2006. Author(s): SOUZA, G. da S. e; GOMES, E. G. In this article we assess the effect of market imperfections and income inequality on rural production efficiency. The analysis is carried out using the notion of stochastic conditional efficiency com... ... Repository: BDPA Publication year: 2015
Different t-norms for DEA-fuzzy efficiency computations. Author(s): MEZA, L. A.; GOMES, E. G.; MELLO, J. C. C. B. S. de; BIONDI NETO, L. Repository: BDPA Publication year: 2009
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
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
A performance measure to support decision-making in Agricultural Research Center in Brazil. Author(s): SOUZA, G. da S. e; GOMES, E. G. The assessment of productive efficiency of a public research institution is of fundamental importance for its administration. A better management of available resources may be accompliched if managers... ... Repository: BDPA Publication year: 2015
Performance and productive diversity of agriculture in mountain environments. Author(s): OLIVEIRA, E.; AQUINO, A. M. de; ASSIS, R. L. de; MELLO, J. C. C. B. S. de; MEZA, L. A. The mountainous regions of the state of Rio de Janeiro, due to the way they were colonized, their land structures, and their technical, cultural and climatic conditions, offer unique conditions, not o... ... Repository: BDPA Publication year: 2021
Factor effects affecting the performance of pantaneiro horses. Author(s): GOMES, E.; SOUZA, G.; REZENDE, A.; SANTOS, D.; NOGUEIRA, M.; MELLITO FILHO, R.; TRIGO, P.; ABREU, U. G. P. de; SANTOS, S. A. Pantaneiro horses were submitted to a performance test. Repository: BDPA Publication year: 2016
Unitary input DEA model to identify beef cattle production systems typologies. Author(s): GOMES, E. G.; ABREU, U. G. P. de; MELLO, J. C. C. B. S. de; CARVALHO, T. B. de; ZEN, S. de The cow-calf beef production sector in Brazil has a wide variety of operating systems. This suggests the identification and the characterization of homogeneous regions of production, with consequent i... ... Repository: BDPA Publication year: 2012
Modelling undesirable outputs with zero sum gains data envelopment analysis models. Author(s): GOMES, E. G. Data envelopment analysis (DEA) literature has proposed alternative models for performance assessment in the presence of undesirable outputs, such as pollutant emissions, where increased outputs imply... ... Repository: BDPA Publication year: 2008
Efficiency and sustainability assessment for a group of farmers in the Brazilian Amazon. Author(s): GOMES, E. G.; MELLO, J. C. C. B. S. de; SOUZA, G. da S. e; MEZA, L. A.; MANGABEIRA, J. A. de C. The aim of this paper is to use DEA models to evaluate sustainability in agriculture. Several variables are taken into account and the resulting efficiency is measured by comparison. The performance o... ... Repository: BDPA Publication year: 2009

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