An efficient approach for computing non-Archimedean ε in DEA based on integrated models

This paper presents a new approach for computing the non-Archimedean ε which leads to an efficient procedure to determine the overall assurance interval based on integrated form of DEA models. The non-Archimedean ε can be found such that, the optimal values of all CCR models, which are corresponding to all DMUs, are bounded and an assurance value is obtained. The procedure is applied to a set of data related to oil and gas industry, power plants industry and economics.