Do efficiency scores depend on input mix? A statistical test and empirical illustration. - Mette Asmild; Jens Leth Hougaard; Dorte Kronborg (Ann. Oper. Res., 2013)

Introducing and modeling inefficiency contributions. - Mette Asmild; Dorte Kronborg; Kent Matthews (Eur. J. Oper. Res., 2016)