💡 The ultimate purpose of envelopment is to turn data into a roadmap for improvement, moving every unit closer to that "efficient frontier."
Unlike simple averages, DEA compares each unit (called a Decision Making Unit, or DMU) against its most similar high-performing peers. envelopment
Transportation firms use it to optimize rail and freight routes for maximum speed and minimum cost. 💡 The ultimate purpose of envelopment is to