Data Envelopment Analysis DEA part I

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DEA involves a mathematical programming model that measures the efficiency of each DMU by comparing its inputs to its outputs. The model determines a relative efficiency score for each DMU based on the ratio of its outputs to its inputs, and compares it to the efficiency scores of other DMUs. • DEA has several applications in various fields, including healthcare, education, finance, and manufacturing. It can be used to identify best practices, benchmarking, and resource allocation. It is particularly useful when dealing with multiple inputs and outputs, and when there are no explicit market prices for the inputs and outputs. • DEA has several variants, including radial and non-radial models, and can incorporate different types of data, such as fuzzy and interval data. However, DEA has some limitations, such as assuming constant returns to scale and not accounting for external factors that may affect the efficiency of DMUs. Therefore, it is important to interpret DEA results in conjunction with other performance measures and qualitative data. • #efficiency #inputs #outputs #mathematicalprogramming, #relativeefficiencyscore #benchmarking #resourceallocation #fuzzydata • #intervaldata #radialmodels #non-radialmodels #performancemeasures

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