Toll, C. and Kintzel, O. (2019). A nonlinear state marginal price vector model for the task of business valuation. A case study: The dimensioning of IT-service companies under nonlinear synergy effects. CEJOR: Central European Journal of Operations Research, Vol. 27(4), pp. 1079-1105.
Kintzel, O. and Toll, C. (2022). Company valuation and the nonlinear state marginal price vector model under agency conflicts. CEJOR: Central European Journal of Operations Research, Open Access, Vol. 30(4), pp. 1279-1305.