Managing the reputation of an award to motivate performance. - C. Gavrila; Jonathan P. Caulkins; Gustav Feichtinger; Gernot Tragler; Richard F. Hartl (Math. Methods Oper. Res., 2005)

History-dependence in a rational addiction model. - C. Gavrila; Gustav Feichtinger; Gernot Tragler; Richard F. Hartl; Peter M. Kort (Math. Soc. Sci., 2005)