Cherchye L and T van Puyenbroeck (1999). “Learning from Input-Output Mixes in DEA: A Proportional Measure for Slack-Based Efficient Projections.” Managerial and Decision Economics 20(3): 151-161.
Cherchye L and T van Puyenbroeck (1999). “Learning from Input-Output Mixes in DEA: A Proportional Measure for Slack-Based Efficient Projections.” Managerial and Decision Economics 20(3): 151-161.