"Does reference pricing drive out generic competition in pharmaceutical markets? Evidence from a policy reform" (with KR Brekke and C Canta)
"Competition matters: uniform vs. indication-based pricing of pharmaceuticals" (with KR Brekke and DM Dalen)
"Public coverage of dental care: universal or targeted?" (with KR Brekke and L Siciliani)
"When do pharmaceutical patent holders have an incentive to delay the launch of follow-on drugs?" (with KR Brekke and DM Dalen)
"Price hikes for older drugs" (with KR Brekke, DM Dalen and TH Holmås)
"Wholesale price discrimination and private labels" (with BO Johansen)
“Winning the prescription: competitive tenders vs. decentralised competition” (with KR Brekke and DM Dalen)