A Note on Convexity of the Expected Delay Cost in Single-Server Queues. - Kristin Fridgeirsdottir; Sam Chiu (Oper. Res., 2005)

Cost-per-Click Pricing for Display Advertising. - Sami Najafi-Asadolahi; Kristin Fridgeirsdottir (Manuf. Serv. Oper. Manag., 2014)

Cost-per-Impression Pricing for Display Advertising. - Kristin Fridgeirsdottir; Sami Najafi-Asadolahi (Oper. Res., 2018)