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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
Tender vacancies allocation to the member units of a public research company: a data envelopment analysis approach. The Brazilian Agricultural Research Corporation is a public research company, comprised of a central management structure and forty-three research centers. Given the recent dismissal of employees, due... ... Repository: BDPA Publication year: 2024
Assessing the significance of covariates in output oriented data envelopment analysis with two stage regression models. Author(s): SOUZA, G. da S. e; GOMES, E. G. We propose alternative regression models to assess the effects of covariates in output oriented DEA scores. We use probability choice models combined with specifications related to the gamma and to th... ... Repository: BDPA Publication year: 2014
Eco-efficiency of forestry companies around the world: a data envelopment analysis. Objective: to evaluate and compare the economic, environmental, and eco-efficiency of companies operating in the forestry sector and fill the gap in relation to the lack of information about the theme... ... Repository: BDPA Publication year: 2023
Multidimensional performance assessment of a sample of beef cattle ranches in the Pantanal from a data envelopment analysis perspective. Author(s): GOMES, E. G.; SANTOS, S. A.; OLIVEIRA, M. D. de; SALIS, S. M.; SORIANO, B. M. A.; TOMAS, W. M. ABSTRACT: Beef cattle ranching is the main economic activity in the Brazilian Pantanal, undertaken in an extensive manner, mostly in natural environments and dynamic in space and time. The ongoing mon... ... Repository: BDPA Publication year: 2023
Economic and socio-environmental performance assessment of beef cattle production systems: a data envelopment analysis (DEA) approach with weight restrictions. Author(s): GOMES, E. G.; ABREU, U. G. P. de This study evaluated the performance of 21 beef cattle modal production systems that conduct only the raising phase. These production systems were developed in 21 municipalities in seven Brazilian sta... ... Repository: BDPA Publication year: 2015
Prototype development of a new soil index using econometrics method: data envelopment analysis. Repository: BDPA Publication year: 2016
Greenhouse gas emissions intensity assessment in beef cattle production systems: a data envelopment analysis (DEA) approach with variable returns to scale. This paper aims at evaluating the efficiency of beef cattle productive systems in the Cerrado, Pampa and Pantanal biomes, regarding their emissions intensity (CO2 equivalent per kilogram of carcass we... ... Repository: BDPA Publication year: 2016
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
Unitary input DEA model to identify beef cattle production systems typologies. Author(s): GOMES, E. G.; ABREU, U. G. P. 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

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