This website is about Joe Zhu's research on Data Envelopment Analysis (DEA).  You will find the DEAFrontier software for computing various DEA models.

DEAFrontier^TM  developed by Joe Zhu consists of a series of DEA models and is an Add-In for Microsoft® Excel.

Please visit the "software" section to get information on the DEAFrontier software.

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DEA Textbook