"ten Raa" presents the techniques and theory of this popular business tool to explain how performance indices and rankings are developed and used to improve efficiency, productivity and profitability. The book presents a lucid exposition of a popular business tool. It is accessible to readers who are not familiar with mathematical techniques (linear programming), especially business students. The only software required is Microsoft's Excel. The book uncovers and uses the role of accounting prices in performance measurement; clears up the differences between efficiency, productivity and efficiency; does not distract the reader from the key issues by minimizing formulas; ties in the economic notions of efficiency, productivity and profitability; and, explains with screenshots how to benchmark.For businesses seeking to gain the edge over their competitors, benchmarking is an increasingly popular tool used to compare operations and performance. "ten Raa" elegantly presents the techniques and theory to explain how performance indices and rankings are developed and how they can be used to improve efficiency, productivity and profitability.