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Modelling undesirable outputs with zero sum gains data envelopment analysis models. 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
Assessing the significance of covariates in output oriented data envelopment analysis with two stage regression models. 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
Unitary input DEA model to identify beef cattle production systems typologies. 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
Management of agricultural research center in Brazil: a DEA application using a dynamic GMM approach. In this paper, we measure the performance for each of the Brazilian Agricultural Research Corporation research center by means of a Data Envelopment Analysis model. Performance data are available for... ... Repository: BDPA Publication year: 2015
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
Factors affecting the performance of Pantaneiro horses. This study aimed to assess the physical performance of Pantaneiro horses with and without equine infectious anemia (EIA) under functional conditions of cattle management. The horses were subjected to... ... Repository: BDPA Publication year: 2018
A geometrical approach for fuzzy DEA frontiers. 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
Different t-norms for DEA-fuzzy efficiency computations. Repository: BDPA Publication year: 2009
Management of agricultural research centers in Brazil: a DEA application using a dynamic GMM approach. Repository: BDPA Publication year: 2015
Soil evaluation and socioeconomic factors influence on agricultural efficiency: a pilot study in Rio de Janeiro. In this paper we evaluate the agricultural efficiency of the municipalities of the state Rio de Janeiro and assess the influence of contextual variables on the performance. The scores are computed by... ... Repository: BDPA Publication year: 2022

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