A toolbox for calculating and decomposing Total Factor Productivity indices. - Bert M. Balk; Javier Barbero; José Luis Zofío (Comput. Oper. Res., 2020)

Symmetric decompositions of cost variation. - Bert M. Balk; José Luis Zofío (Eur. J. Oper. Res., 2020)

An evaluation of cross-efficiency methods: With an application to warehouse performance. - Bert M. Balk; René M. B. M. de Koster; Christian Kaps; José Luis Zofío (Appl. Math. Comput., 2021)