"Does reference pricing drive out generic competition in pharmaceutical markets? Evidence from a policy reform" (with KR Brekke and C Canta)
"When do pharmaceutical patent holders have an incentive to delay the launch of follow-on drugs?" (with KR Brekke and DM Dalen)
"Will fixed book prices fix it? Common agency and vertical integration of publishers and bookstores" (with KR Brekke and L Sørgard)
"Price hikes for older drugs" (with KR Brekke, DM Dalen and TH Holmås)
"Wholesale price discrimination and private labels" (with BO Johansen)
"Employee representation and corporate social responsibility" (with C Freire and NP Monteiro)
"Network effects, bargaining leverage, and the concentration of hospital markets" (with L Sá and L Siciliani)