Document Type : Research Paper


1 Department of Mathematics, Islamic Azad University, Masjedsoleiman Branch, Iran

2 Department of Mathematics, Islamic Azad University, Science & Research Branch, Tehran, Iran


In this paper, we show that inverse Data Envelopment Analysis (DEA) models can be used to estimate output with fuzzy data for a Decision Making Unit (DMU) when some or all inputs are increased and deficiency level of the unit remains unchanged.


Main Subjects

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