Lee, Jeong-Dong; Hwang, Seogwon; Kim, Tai-Yoo - In: Journal of Productivity Analysis 23 (2005) 1, pp. 65-83
In this study we propose a mathematical definition of the consumption efficiency of multi-attribute products in the price–quality space. A new model, the discrete Range Adjusted Measure (RAM) model, is suggested as an empirical tool to measure the level of consumption efficiency. We further...