Question 7
There are 7 business units and you are using the DEA to compare them. You solve the LP for business unit 5. You find from the constraint expression that business unit 1 has obtained an efficiency of 1 and business unit 2 has obtained an efficiency of 1 with the optimal weights of business unit 5. Which of the following statements is correct? (choose all that is/are applicable)
Business unit 5 is inefficient
Business unit 1 is efficient
Business unit 5 is efficient
Business unit 2 is efficient