Modeling Supply Shocks in Optimal Control Models of Illicit Drug Consumption. - Roswitha Bultmann; Jonathan P. Caulkins; Gustav Feichtinger; Gernot Tragler (LSSC, 2007)

Stochastic Skiba Sets: An Example from Models of Illicit Drug Consumption. - Roswitha Bultmann; Gustav Feichtinger; Gernot Tragler (LSSC, 2009)