Korhonen, Pekka; Syrjänen, Mikko - In: Journal of Productivity Analysis 24 (2005) 2, pp. 197-201
Halme et al., Management Science, 45, 103–115 (1999) have proposed Value Efficiency Analysis as an approach to incorporate preference information in Data Envelopment Analysis (DEA). Generally, a value function includes only ordinal information and thus a value efficiency score does not provide...