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Author: Amin Mugera Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
This article integrates fuzzy set theory in the data envelopment analysis (DEA) framework to compute technical efficiency scores when input and output data are imprecise. The underlying assumption in conventional DEA is that input and output data are measured with precision. However, production agriculture takes place in an uncertain environment, and, in some situations, input and output data may be imprecise. We present an approach of measuring efficiency when data are known to lie within specified intervals and empirically illustrate this approach using a group of 29 dairy producers in Pennsylvania. Compared to the conventional DEA scores that are point estimates, the computed fuzzy efficiency scores are interval bound allowing the decision maker to trace the performance of a decision-making unit at different possibility levels.
Author: Amin Mugera Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
This article integrates fuzzy set theory in the data envelopment analysis (DEA) framework to compute technical efficiency scores when input and output data are imprecise. The underlying assumption in conventional DEA is that input and output data are measured with precision. However, production agriculture takes place in an uncertain environment, and, in some situations, input and output data may be imprecise. We present an approach of measuring efficiency when data are known to lie within specified intervals and empirically illustrate this approach using a group of 29 dairy producers in Pennsylvania. Compared to the conventional DEA scores that are point estimates, the computed fuzzy efficiency scores are interval bound allowing the decision maker to trace the performance of a decision-making unit at different possibility levels.
Author: Ali Emrouznejad Publisher: Springer ISBN: 3642413722 Category : Technology & Engineering Languages : en Pages : 293
Book Description
The intensity of global competition and ever-increasing economic uncertainties has led organizations to search for more efficient and effective ways to manage their business operations. Data envelopment analysis (DEA) has been widely used as a conceptually simple yet powerful tool for evaluating organizational productivity and performance. Fuzzy DEA (FDEA) is a promising extension of the conventional DEA proposed for dealing with imprecise and ambiguous data in performance measurement problems. This book is the first volume in the literature to present the state-of-the-art developments and applications of FDEA. It is designed for students, educators, researchers, consultants and practicing managers in business, industry, and government with a basic understanding of the DEA and fuzzy logic concepts.
Author: K. Kovács Publisher: ISBN: Category : Languages : en Pages : 50
Book Description
The abolishment of the dairy quota system in the EU is expected to increase competition across dairy farms in Europe. Assuming a common price for milk in the EU, only the most efficient farms will survive in the new environment. The main objective of the research is to compare dairy farms in Germany, The Netherlands and Hungary about their technical efficiency. In the first part of the research, the efficiency is measured by partial efficiency indexes using one dimensional efficiency measuring. In the second part, the Data Envelopment Analysis (DEA) and the Stochastic Frontier Analysis (SFA) have to be used to measure efficiency in a multidimensional space, using six inputs and two outputs. Both methods used for measuring the same technical efficiency score, but under different assumptions, thus the second objective was to compare not only countries but, methods results as well.
Author: Carlos D. Mayen Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
We compare productivity and technical efficiency of organic and conventional dairy farms in the United States. We address self-selection into organic farming by using propensity score matching and explicitly test the hypothesis that organic and conventional farms employ a single, homogeneous technology. Utilizing the 2005 Agricultural Resource Management Survey on Dairy Costs and Returns Report (ARMS) data, we reject the homogeneous technology hypothesis and find that the organic dairy technology is approximately 13% less productive. However, we find little difference in technical efficiency between organic and conventional farms when technical efficiency is measured against the appropriate technology.
Author: Amin Mugera
Author: Amin Mugera
Author: Victor Hugo Moreira López
Author: Ali Emrouznejad
Author: P.H.M. Rooijakkers
Author: Ricardo E. Quiroga
Author: Almas Heshmati
Author: K. Kovács
Author: Almas Heshmati
Author: Justin Paul Byma
Author: Carlos D. Mayen