Envelopment -

At its core, envelopment is a way to find the "best of the best" in a group. Imagine plotting the performance of several businesses on a graph. DEA draws a "frontier" or a boundary line that "envelopes" all the data points. sit directly on this boundary.

A tactical maneuver to surround an enemy force. envelopment

Hospitals use DEA to evaluate emergency department efficiency by comparing wait times against staffing levels. At its core, envelopment is a way to

Governments use it to measure the environmental performance of different regions. At its core