Brekke, Kurt R.; Holmas, Tor Helge; Straume, Odd Rune - In: Journal of Public Economics 95 (2011) 7, pp. 624-638
We study the impact of regulation on competition between brand-names and generics and pharmaceutical expenditures using a unique policy experiment in Norway, where reference pricing (RP) replaced price cap regulation in 2003 for a sub-sample of off-patent products. First, we construct a vertical...