Abstract
PurposeThe purpose of this paper is to develop an inverse network data envelopment analysis (INDEA) model to solve resource allocation problems.Design/methodology/approachThe authors estimate inputs’ variations based on outputs so that the efficiencies of decision-making unit under evaluation (DMUo) and other decision-making units (DMUs) are constant.FindingsThe new INDEA model is developed to allocate resources such that inputs are not increased while efficiency scores of all DMUs remain constant. Furthermore, the authors obtain new combinations of inputs and outputs, together with a growth in efficiency score of DMUo such that efficiency scores of other DMUs are not changed. A case study is provided.Originality/valueThis paper proposes INDEA model to estimate inputs (outputs) without changing efficiency scores of DMUs.
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