Park KS, WW Cooper and JT Pastor (2001). “The Range Adjusted Measure (Ram) in DEA: A Response to the Comment by Steinmann and Zweifel.” JPA 15(2): 145-152.
Park KS, WW Cooper and JT Pastor (2001). “The Range Adjusted Measure (Ram) in DEA: A Response to the Comment by Steinmann and Zweifel.” JPA 15(2): 145-152.